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aardvark (= ant bear, anteater, earth pig) Orycteropus afer arcán m1 talún
abalone (= ormer) Discus hannai / Haliotis tuberculata cluas f2 mhara
Abdimís stork Sphenorhynchus abdimii storc m1 Abdim
Abyssinian blue-winged goose Cyanochen cyanopterus f4 ghormeiteach Aibisíneach
acacia Acacia (géineas) acáise f4
acanthus Acanthus (géineas) acantas m1
aconite (= monk's-hood) Aconitum (géineas) dáthabha m4 (dubh)
acorn barnacle Thoracica (cuid) garbhán m1 carraige
adder Vipera berus nathair f5 nimhe
African black rhinoceros Diceros bicornis srónbheannach m1 dubh Afracach
African grey parrot Psittacus erithacus pearóid f2 liath Afracach
African house snake Boaedon lineatus lineatus nathair f5 thí Afracach
African python Python sebae píotón m1 Afracach
African sharp-nosed snake Rhamphiophis rubropunctatus nathair f5 bhiorshrónach Afracach
African skink Maybuya colli scinc f2 Afracach
agaric (gill fungi) Agaricales (ord) agairg f2
agile frog Rana dalmatina frog m1 lúfar
agile gibbon Hylobates agilis giobún m1 aclaí
agrimony Agrimonia eupatoria marbhdhraighean m1 (airgeadán m1, méirnín m4 na má)
albacore (= little tunny) Euthymnus alletteratus tuinnín m4 bán
Alcyonidium Alcyonidium (sp.) Alcyonidium m
alder Alnus glutinosa fearnóg f2
alder fly Megaloptera (ord) cuil f2 fhearnóige
alfalfa [= lucerne] Medicago sativa alfalfa m4
alga Algae (fíleam) alga m4
Allenís gallinule Porphyru a alleni cearcóg f2 Ailín
allis shad Alosa alosa sead f2 alósach
almond tree Prunus dulcis crann m1 almóinní
alpine mastiff [= St. Bernard] Canis familiaris ailpíneach m1
alpine swift Apus melba gabhlán m1 Alpach
alsatian (German shepherd dog) Canis familiaris alsáiseach m1
American bison Bison bison bíosún m1 Meiriceánach
American black bear Ursus americanus béar m1dubh Meiriceánach
American cherry (= black cherry, rum cherry) Prunus serotina crann m1 silíní dubha
American coot Fulica americana cearc f2 cheannann Mheiriceánach
American golden plover Pluvialis dominica feadóg f2 bhuí Mheiriceánach
American goldfinch Carduelis tristis lasair f5 choille Mheiriceánach
American mink Mustela vison minc f2 Mheiriceánach
American painted lady butterfly Vanessa huntera áilleán m1 Meiriceánach
American pipit Anthus rubescens riabhóg f2 Mheiriceánach
American pit bull terrier Canis familiaris tarbh-bhrocaire m4 Meiriceánach
American redstart Setophaga ruticilla earrdeargán m1 Meiriceánach
American robin Turdus migratorius smólach m1 imirce
American white pelican Pelecanus erythrorhynchus peileacán m1 bán Meiriceánach
American wigeon Anas americana rualacha f5 Mheiriceánach
anaconda Eunectes murinus anacanda m4
anchovy Engraulis encrasicolus ainseabhaí m4
angel fish [= monkfish] Squatina squatina bráthair m
angler (monkfish) Lophius piscatorius láimhíneach m1 (anglá m4, anglait f2, deilgín m4 deamhain)
angle shades moth Phlogophora meticulosa scáth m3 uilleach
annual meadow-grass Poa annua cuise m4 bliantúil
annual nettle [= small nettle] Urtica urens neantóg f2 bhliantúil
annual pearlwort (common pearlwort) Sagina apetala lus m3 na bpéarlaí (coiteann)
annual sea-blite (sea-blite) Suaeda maritima blide f4 mhara
ant Formicidae (fine) seangán m1
ant bear (= aardvark, anteater, earth pig) Orycteropus afer arcán m1 talún
anteater (= aardvark, ant bear, earth pig) Orycteropus afer arcán m1 talún
ant egg Formicidae (fine) earra m4
anthriscus Anthriscus cerefolium lus m3 na ríocach
aphid (plant louse) Aphididae (fine) aifid f2 (míol m1 plandaí)
apple mint Mentha rotundifolia mismín m4 úill
apple moss Bartramia pomiformis úllchaonach m1
apple scab Venturia inaequalis gearbach m1 úll
aquatic warbler Acrocephalus paludicola ceolaire m4 uisce
arbutus [= strawberry tree] Arbutus unedo caithne f4
Arctic fox Alopex lagopus sionnach m1 Artach
Arctic hare (= polar hare) Lepus arcticus giorria m4 an Artaigh
Arctic lemming Dicrostonyx torquatus leimín m4 Artach
Arctic redpoll Carduelis hornemanni deargéadan m1 Artach
Arctic skua Stercorarius parasiticus meirleach m1 Artach
Arctic tern Sterna paradisaea geabhróg f2 Artach
Arctic warbler Phylloscopus borealis ceolaire m4 Artach
armed bullhead (pogge) Agonus cataphractus muiricín m4
army ant (= legionary ant) Formicidae (fine) seangán m1 léigiúnach
arrowhead Sagittaria sagittifolia rinn f2 saighde
arrow worm Chaetognatha (fíleam) saighead f2 mhara
ascidian (sea-squirt) Ascidiacea (aicme) ascaid f2
ash Fraxinus excelsior fuinseog f2
ashy-headed goose Chloephaga poliocephala f4 luaithcheannach
Asian wild dog Canidae (fine) madra m4 fiáin na hÁise
aspen Populus tremula crann m1 creathach
assassin bug Reduviidae (fine) fríd f2 mharaithe
atherine (= sand smelt) Atherina presbyter smealt m4 gainimh
Atlantic bonito (= skipjack) Katsuwonas pelamis boiníotó m4 an Atlantaigh
Atlantic seal [= grey seal] Halichoerus grypus rón m1 glas
Atlantic whiteside dolphin Lagenorhynchus acutus deilf f2 bhánchliathánach an Atlantaigh
Atlas cedar Cedrus atlantica céadar m1 Atlais
auger shell Turritella communis cuach m4 coirn
auk Alcidae (fine) falcóg f2
Australian barnacle Elminius modestus garbhán m1 Astrálach
Australian cattle dog Canis familiaris gadhar m1 stoic Astrálach
Australian shelduck Tadorna tadornoides seil-lacha f5 Astrálach
Australian silky terrier Canis familiaris brocaire m4 slim Astrálach
Australian white-eye Aythya australis póiseard m1 súilbhán Astrálach
autumn gorse [= western gorse] Ulex gallii aiteann m1 gaelach (aiteann m1 mín)
autumn hawkbit (hawkbit) Leontodon autumnalis fiacail f2 leoin
avocet Recurvirosta avosetta abhóiséad m1
axis deer (= chital) Cervus axis síotal m1
axolotl Siredon mexicanum acsalatal m1

Barr

baby blue eyes Nemophila menziesii súilíní mpl gorma
backswimmer (water boatman) Notonecta (spp.) fleascóir m3
bacon beetle (larder beetle) Dermestes lardarius ciaróg f2 lardrúis
bactrian camel Camelus bactrianus camall m1 baictriach
badger Meles meles broc m1
Bahama pintail Anas bahamensis biorearrach m1 Bahámach
Baikal teal (Formosan teal) Anas formosa praslacha f5 Bhaikalach
Baillon's crake Porzana pusilla gearr m4 Baillon
Baird's sandpiper Calidris bairdii gobadáinín m4 Baird
bakerís yeast Saccharomyces cerevisiae giosta m4 (aráin)
bald eagle Haliaeetus leucocephalus iolar m1 maol
Balearic shearwater Puffinus mauritanicus cánóg f2 Bhailéarach
ballan wrasse (connor) Labrus bergylta ballach m1 breac (ballán m1)
balsam poplar Populus trichocarpa poibleog f2 bhalsaim
Baltic tellin Macoma balthica teillíneach m1 Baltach
banded carpet shell Tapes rhomboides (Paphia / Venerupis rhomboides) breallach m1 croise bandach
banded chink shell Lacuna vincta sliogán m1 eitreach bandach
banded mongoose Mungos mungo mongús m1 bandach
banded Venus Veneridae (fine) maighdeog f2 bhandach
banded wedge shell Donax vittatus sliogán m1 dinge bandach
bandog Canis familiaris iallmhadra m4
bank vole Clethrionomys glareolus vól m1 bruaigh
Barbary ape (= Barbary macaque monkey) Macaca sylvana ápa m4 Barbarach, meacaic f2 Bharbarach
Barbary macaque monkey (= Barbary ape) Macaca sylvana ápa m4 Barbarach, meacaic f2 Bharbarach
barbel Barbus barbus barbal m1
barbet Capitonidae (fine) bairbéad m1
bare-eyed cockatoo Kakatoe sanguinea cocatú m4 lomshúileach
bar-headed goose Anser indicus f4 stríoc-cheannach
bark beetle Scolytidae (fine) ciaróg f2 choirte
barn owl Tyto alba scréachóg f2 reilige
barnacle Cirripedia (fo-aicme) giúrann m1
barnacle goose Branta leucopsis f4 ghiúrainn
barred warbler Sylvia nisoria ceolaire m4 barrach
barrel-fish Stromateidae (fine) breac m1 giúrainn
barren strawberry Potentilla sterilis lus m3 sútha talún bréige
bar-tailed godwit Limosa lapponica guilbneach m1 stríocearrach
basket shell Corbulidae (fine) sliogán m1 cise
basking shark Cetorhinus maximus liamhán m1 gréine (ainmhí m4 na seolta, cearbhán m1, liopadaileap m4, seoltóir m3)
bass Dicentrarchus labrax bas f2 (basán m1, doingean m1)
basset hound Canis familiaris baiséadach m1
bat Chiroptera (ord) ialtóg f2 (bás m1 dorcha, leadhbóg f2 leathair, sciathán m1 leathair)
Bath white butterfly Pontia daplidice bánóg f2 Bath
bay laurel Laurus nobilis labhras m1
beagle Canis familiaris pocadán m1 beag
bean aphid (black bean aphid) Aphis fabae míol m1 pónaire
bean goose Anser fabalis síolghé f4
bearded collie Canis familiaris cóilí m4 féasógach
bearded horse mussel Modiolus barbatus diúilicín m4 capaill féasógach
bearded tit (bearded titmouse) Panurus biarmicus meantán m1 croiméalach
bearded titmouse [= bearded tit] Panurus biarmicus meantán m1 croiméalach
beard lichen Usnea (spp.) léicean m1 meigeallach
beaver Castor fiber béabhar m1
bed bug Cimex lectularius míol m1 leapa
Bedlington terrier Canis familiaris brocaire m4 Bedlington
bee Apoidea (fine) beach f2 (beachóg f2)
beech Fagus sylvatica feá f4 (fáibhile m4)
bee-eater Merops apiaster beachadóir m3 Eorpach
bee-fly Bombyliidae (fine) beach-chuil f2
beefsteak mushroom (= poor man's beefsteak) Fistulina hepatica feoil f3 an phúca
bee grubs Apoidea (fine) bráithre mpl bána (madraí mpl bána)
bee orchid Ophrys apifera magairlín m4 beachach
beer barrel Actaeon tornatilis ceaig m4
beetle Coleoptera (ord) ciaróg f2
beetle grubs Coleoptera (ord) madraí mpl bána
Belgian shepherd dog Canis familiaris sípéir m3 Beilgeach
bell heather Erica cinerea fraoch m1 cloigíneach
Bellis Bellis (géineas) Bellis m
belted kingfisher Ceryle alcyon cruidín m4 creasa
Bennettís wallaby Protemnodon rufogrisea valbaí m4 Bennett
Bernese mountain dog Canis familiaris madra m4 sléibhe Bheirn
Bewickís swan Cygnus bewickii eala f4 Bewick
bib (= pout) Gadus luscus troscán m1 stopóige
bichon frise Canis familiaris measán m1 catach
bilberry (whortleberry) Vaccinium myrtillus tom m1 fraochán
birch Betula (spp.) beith f2
bird louse [= biting louse] Mallophaga (ord) míol m1 scríobach
bird of paradise Paradisaeidae (fine) éan m1 parthais
birthwort Aristolochia clematis lus m3 na breithe
biscuit beetle (drugstore beetle) Stegobium paniceum ciaróg f2 bhrioscaí
bishopís weed [= ground-elder] Aegopodium podagraria lus m3 an easpaig (lus an ghúta)
biting midge (Fam. gnat) Ceratopogonidae (fine) míoltóg f2 ghéar
biting stonecrop (wall-pepper, yellow stonecrop) Sedum acre grafán m1 na gcloch
bitter-cress Cardamine (spp.) searbh-bhiolar m1
bitterling Rhodeus sericeus géaróg f2
bittern Botaurus stellaris bonnán m1 (bonnán m1 buí, bonnán m1 léana)
bittersweet (woody nightshade) Solanum dulcamara dréimire m4 gorm (fuath m3 gorm, searbhóg f2 mhilis)
bitter vetch (tuberous vetchling) Lathyrus montanus peasairín m4 searbh (piseánach m1 searbh)
black-and-white warbler Mniotilta varia ceolaire m4 dubh is bán
black ant Lasius niger seangán m1 capaill
black bean aphid (bean aphid) Aphis fabae míol m1 pónaire
blackberry bush [= bramble] Rubus fruticosus dris f2 (driseog f2)
black-billed cuckoo Coccyzus erthrophthalmus cuach f2 ghobdhubh
blackbird Turdus merula lon m1 dubh
black bog-rush Schoenus nigricans sifín m4
black brant Branta bernicla nigricans cadhan m1 dubh
black bryony Tamus communis crotharnach f2 (uranach f2 dhubh)
blackcap Sylvia atricapilla caipín m4 dubh
black cherry (= American cherry, rum cherry) Prunus serotina crann m1 silíní dubha
blackcock [= black grouse] Lyrurus tetrix dúchoileach m1
black duck Anas rubripes lacha f chosrua
black-eared wheatear Oenanthe hispanica clochrán m1 cluasdubh
blackfish [= pilot whale] Globicephala melaena píolótach m1
blackfly Aphis fabae cuil f2 dhubh (cuileog f2 dhubh)
black goby Gobius niger mac m1 siobháin dubh
black grouse (blackcock) Lyrurus tetrix dúchoileach m1
black grouse (grey hen) Lyrurus tetrix liathchearc f2
black guillemot Cepphus grylle foracha f5 dhubh (bairéadach m1, colúr m1 toinne)
black-headed bunting Emberiza melanocephala gealóg f2 cheanndubh
black-headed gull Larus ridibundus sléibhín m4 (faoileán m1 ceanndubh)
black-headed wagtail Motacilla flava feldegg glasóg f2 cheanndubh
black-headed weaver Ploceus cucullatus fíodóir m3 ceanndubh
blackheads [= common knapweed] Centaurea nigra cnapán m1 dubh (brealla fpl gorma, ceanna mpl dubha, mínscoth f3, mullach m1 dubh)
black honey bee Apis mellifera beach f2 dhubh
black horehound Ballota nigra grafán m1 dubh
black Italian poplar [= Italian poplar] Populus × canadensis (P. serotina) poibleog f2 Iodálach
black kite Milvus migrans cúr m1 dubh
black medick Medicago lupulina dúmheidic f2
black mulberry Morus nigra crann m1 maoildeirge dubh
black-necked crown crane Balearica pavonina grús m1 corónach
black-necked grebe Podiceps nigricollis foitheach m1 píbdhubh
black-necked screamer Chauna chavaria screadóg f2 phíbdhubh
black-necked swan Cygnus melancoriphus eala f4 phíbdhubh
black panther Panthera pardus pantar m1 dubh
blackpoll warbler Dendroica striata ceolaire m4 dubhéadanach
black poplar Populas nigra poibleog f2 dhubh
black racer Coluber constrictor rás-nathair f5 dhubh
black rat Rattus rattus francach m1 dubh
black redstart Phoenicurus ochruros earrdheargán m1 dubh
black rust (stem rust) (on wheat) Puccinia graminis caoch f2 rua (chruithneachta)
black scoter Melanitta nigra americana scótar m1 dubh
black sea bream (= Ray's bream) Brama raii sáimhín m4
black shields Lecanora atra scála m4 dubh
black spleenwort Asplenium adiantum-nigrum fionncha m4 dubh
black stork Ciconia nigra storc m1 dubh
black swan Cygnus atratus eala f4 dhubh
black-tailed godwit Limosa limosa guilbneach m1 earrdhubh
black tar lichen Verrucaria (sp.) léicean m1 dubh tarra
black tern Chlidonias niger geabhróg f2 dhubh
blackthorn (sloe) Prunus spinosa draighean m1 (draighean donn, draighean dubh, draighneán m1, draighneán donn)
black-throated diver Gavia arctica lóma m4 Artach
black-throated thrush Turdus (ruficollis) atrogularis smólach m1 píbdhubh
black tree snake Thrasops jacksonnii crann-nathair f5 dhubh
black tufted lichen Lichina pygmaea léicean m1 dosach dubh
black urchin (= rock-boring) Paracentrotus lividus cuán m1 mara dubh
black vine weevil Brachyrhinus sulcatus gobachán m1 dubh fíniúna
black wheatear Oenanthe leucura clochrán m1 dubh
black-winged pratincole Glareola nordmanni pratancól m1 dubheiteach
black-winged stilt Himantopus himantopus scodalach m1 dubheiteach
black woodpecker Dryocopus martius cnagaire m4 dubh
bladder campion Silene vulgaris coireán m1 cuile
bladderwort Utricularia (spp.) lus m3 an bhorraigh
bladder wrack Fucus vesiculosus feamainn f2 bhoilgíneach (dúlamán m1 na gclog)
bladder wrack Fucus vesiculosus (var.) vadorum barrchonlach m1
Blattaria Blattaria (Blattodea) (ord) Blatóga fpl
bleak Alburnus alburnus gilín m4
blenny Blenniidae (fine) ceannruán m1
blessed thistle Cnicus benedictus feochadán m1 beannaithe
blinks (water chickweed) Montia fontana fliodh f2 uisce
blister beetle [= Spanish fly] Lytta vesicatoria cuil f2 Spáinneach
blonde ray Raja brachyura roc m1fionn (rotha f4 fhionn)
bloodhound Canis familiaris madra m4 fola
bloodworm Chironomus (géineas) péisteog f2 dhearg
bloody craneís-bill Geranium sanguineum crobh m1 dearg
blossom-headed parakeet Psittacula cyanocephala pearaicít f2 bhláthcheannach
blow-fly Calliphoridae (fine) carrchuil f2
blue and yellow macaw Ara ararauna macá m4 buíghorm
bluebell Endymion non-scriptus coinnle fpl corra (bú m4 muc, cloigín m4 gorm)
blueberry (huckleberry) Vaccinium pennsylvanicum tom m1 fraochán gorm
bluebottle-fly Calliphora vomitoria cuil f2 ghorm (cuil f2 chrónáin)
blue-eared pheasant Crossoptilon auritium piasún m1 cluasghorm
blue-eyed grass Sisyrinchium bermudiana féar m1 súilghorm
blue fleabane Erigeron acer lus m3 gorm na ndreancaidí
blue-fronted Amazon parrot Amazona aestiva pearóid f2 Amasónach uchtghorm
blue-headed wagtail Motacilla flava flava glasóg f2 cheannghorm
blue ling Molva dyptergia langa m4 gorm
blue moor-grass Sesleria caerulea féar m1 boirne
blue mould (penicillin mould) Penicillium (spp.) múscán m1 gorm (caonach m1 liath, clúmh m1 liath, snas m3 liath)
blue-rayed limpet Patina pellucida bairneach m1 mín
blue shark Prionace glauca siorc m3 gorm
blue spruce Picea pungens sprús m1 gorm
bluethroat Cyanosylvia svecica gormphíb f2
blue tit (blue titmouse) Parus caeruleus meantán m1 gorm
blue titmouse [= blue tit] Parus caeruleus meantán m1 gorm
blue water-speedwell Veronica anagallis-aquatica lus m3 cré uisce
blue whale (Sibbaldís rorqual) Balaenoptera musculus míol m1 mór gorm
blue whiting Micromesistius poutassou faoitín m4 gorm
blue-winged teal Anas discors praslacha f5 ghormeiteach
blunt gaper Myacidea (fine) breallach m1 maol
blunt tellin Tellina crassa (sliogán m1) teillíneach maol
Blyth's pipit Anthus godlewskii riabhóg f2 Blyth
Blyth's reed warbler Acrocephalus dumetorum ceolaire m4 Blyth
boa constrictor Constrictor constrictor buachrapaire m4
bobcat Felis rufa bobchat m1
bobolink Dolichonyx oryzivorus bobóilinc m4
bobwhite quail Colinus virginianus gearg f2 bhabaight
body louse Pediculus humanus humanus míol m1 cnis
bog asphodel Narthecium ossifragum sciollam m na móna (lus m3caisil)
bogbean Menyanthes trifoliata pónaire f4 chorraigh (báchrán m1)
bog cotton [= common cottongrass] Eriophorum angustifolium ceannbhán m1 caolduilleach
bog moss Sphagnum (ord) súsán m1 (fionnmhóin f3)
bog myrtle Myrica gale raideog f2 (railleog f2)
bog pimpernel Anagallis tenella falcaire m4 corraigh
bog pondweed Potamogeton polygonifolius duileasc m1 abhann móna
bog rosemary Andromeda polifolia andraiméid f2
bog sedge Carex limosa cíb f2 chorraigh
bog stitchwort Stellaria alsine tursarraing f2 chorraigh
bombardier beetle Brachinus crepitans ciaróg f2 rúisceach
Bonaparte's gull Larus philadelphia sléibhín m4 Bonaparte
Bonelli's warbler Phylloscopus bonelli ceolaire m4 Bonelli
bonito Sarda sarda boiníotó m4
bonnet limpet Capulus luingaricus bairneach m1 boinéid
booklouse Psocoptera (ord) míol m1 leabhar
border collie Canis familiaris cóilí m4 teorann
border terrier Canis familiaris brocaire m4 teorann
borer [= hag-fish] Myxine glutinosa cailleach f2
Borrerís buckler-fern [= scaly male-fern] Dryopteris borreri raithneach f2 ghainneach
Borzoi (= Russian wolfhound) Canis familiarism4 faoil Rúiseach
Boscís monitor Varanus exanthematicus monatóir m3 Bosc
Boston terrier Canis familiaris brocaire m4 Bhostúin
bot-fly Gasterophilidae (fine) boiteog f2
bottlenose dolphin Tursiops truncatus deilf f2 bholgshrónach
bottle-nosed whale Hyperoodon ampullatus míol m1 mór bolgshrónach
bottle sedge Carex rostrata cíb f2 ghobach
Bouvier des Flandres Canis familiaris gadhar m1 stoic Flóndrach
bowstring [= common restharrow] Ononis repens fréamhacha fpl tairne
boxer Canis familiaris bocsaeir m3
bracken Pteridium aquilinum raithneach f2 mhór
bracket fungus Polyporus (spp.) bracfhungas m1
bramble (blackberry bush) Rubus fruticosus dris f2 (driseog f2)
brambling Fringilla montifringilla breacán m1
branched bur-reed Sparganium erectum rísheisc f2 chraobhach
Brazilian tapir Tapirus terrestris taipir f2 Bhrasaíleach
breadcrumb sponge Halichondria panicea spúinse m4 grabhrógach
bread mould (pin mould) Mucoraceae (fine) (mucor {spp.}/ Rhizopus {spp.}) múscán m1 aráin (caonach m1 liath, clúmh m1 liath, snas m3 liath)
bream Abramis brama bran m1 (bréan m1)
brent goose Branta bernicla hrota cadhan m1
briard Canis familiaris brióir m3
bridled tern Sterna anaethetus geabhróg f2 spéaclach
brill Scophthalmus rhombus broit f2
brimstone butterfly Gonepteryx rhamni buíóg f2 ruibheach
brimstone moth Opisthograptis luteolata leamhan m1 ruibheach
bristlecone pine Pinus aristata péine m4 colgach
bristle oat Avena strigosa coirce m4 fiáin
bristle-tail Thysanura (ord) earr f2 ghuaireach
bristle worm Polychaeta (aicme) péist f2 ghuaireach
Brittany spaniel Canis familiaris spáinnéar m1 Briotánach
brittle-star Ophiuroidea (aicme) crosóg f2 bhriosc
broad buckler-fern Dryopteris dilatata raithneach f2 leathan
broad-billed sandpiper Limicola falcinellus gobadán m1 gobleathan
broad-clawed porcelain crab (= hairy porcelain crab) Porcellana platycheles / Porcellana pilumna portán m1 poircealláin clúmhach
broad-leaved dock Rumex obtusifolius copóg f2 shráide
broad-leaved everlasting pea Leguminosae (fine) peasairín m4 leathan
broad-leaved orache [= spear-leaved orache] Atriplex hastata eilifleog f2 leathan (praiseach f2 mhín)
broad-leaved pondweed Potamogeton natans duileasc m1 abhann leathan (liach f2 roide)
broad-leaved willowherb Epilobium montanum saileachán m1 sléibhe
brome (brome-grass) Bromus (spp.) brómas m1
brome-grass [= brome] Bromus (spp.) brómas m1
bronze-winged pigeon Phaps chaleoptera colm m1 sciathumhaí
brook lamprey Lampetra planeri loimpre f4 shrutháin
brooklime Veronica beccabunga lochall m1
broom Cytisus scoparius (Sarothamnus scoparius) giolcach f2 shléibhe
broomrape Orobanche (spp.) múchóg f2
brown alga, type of Leathesia difformis bolgach f2
brown bear (cave bear) Ursus arctos béar m1 donn
brown capuchin monkey Cebus apella moncaí m4 cochallach donn
brown hairstreak butterfly Thecla betulae stiallach m1 donn
brown hare [= English hare] Lepus capensis (L. europaeus) giorria m4 gallda
brown hawker Odonata (ord) seabhcaí m4 donn
brown house moth (false clothes moth) Hofmannophila pseudospretella leamhan m1 tí donn
brown rat Rattus norvegicus francach m1 donn
brown seaweed Phaeophyceae (aicme) feamainn f2 rua
brown sedge Carex disticha cíb f2 dhonn
brown trout Salmo trutta breac m1 donn (breac rua)
Brünnich's guillemot Uria lomvia foracha f Brünnich
buckís-horn plantain Plantago coronopus adharca fpl fia
budgerigar Melopsittacus undulatus budragár m1
buff arches moth Habrosyne pyritoides stuabhuí m4
buff-bellied pipit Anthus rubescens riabhóg f2 tharr-dhonnbhuí
buff-breasted sandpiper Tryngites subruficollis gobadán m1 broinn-donnbhuí
buff ermine moth Spilosoma lutea eirmín m4 buí
buff-tip moth Phalera bucephala rinnbhuí m4
bug (true bug) Hemiptera (ord) fríd f2
bugle Ajuga reptans glasair f5 choille
buhund Canis familiaris búmhadra m4
bulbous buttercup Ranunculus bulbosus tine f4 talún
bulbous rush Juncus bulbosus luachair f3 bhleibeach
bullace [= wild plum] Prunus domestica baláiste m4
bulldog Canis familiaris bulladóir m3
bullfinch Pyrrhula pyrrhula corcrán m1 coille
bullhead Cottus (géineas) ceann m1 tairbh
bullmastiff Canis familiaris tarbhmhaistín m4
bull rout Myoxocephalus scorpius pus m1 tairbh
bulrush (reed mace) Typha latifolia coigeal f2 na mban sí
bulrush [= common club-rush] Scirpus lacustris bogshifín m4
Bulwer's petrel Bulweria bulwerii peadairín m4 Bulwer
bumble bee Bombus (spp.) bumbóg f2
bunting Emberiza (spp.) gealóg f2
burbot Lota lota lota m4
burdock [= lesser burdock] Arctium minus leadán m1 liosta (cnádán m1, copóg f2 thuathail)
burnet moth Zygaena (spp.) buirnéad m1
burnet rose Rosa pimpinellifolia briúlán m1
burnished brass moth Plusia chrysitis prásach m1
burrowing anemone Peachia hastata bundún m1 uachaise
burying beetle (sexton beetle) Necrophorus (sp.) ciaróg f2 fholaigh
bushbaby Galago (géineas) galágó m4
bush vetch Vicia sepium peasair f2 fhiáin
butterbur Petasites hybridus gallán m1 mór (borrán m1, meacan m1 an phobóil)
buttercup (crowfoot) Ranunculus (spp.) crobh m1 préacháin (cam m1 an ime)
butterfish (gunnel) Pholis gunnellus sleamhnóg f2 (malrach m1 Cháit, searróg f2)
butterfly Lepidoptera (ord) féileacán m1 (peidhleacán m1)
butterfly fish Chaetodontide (fine) aingeal m1 mara
buzzard Buteo buteo clamhán m1
by-the-wind sailor (= Jack sail by the wind) Velella spirans smugairle m4 na gaoithe
bythinia Bythinia tentaculata seilide m4 na Bitíne

Barr

caaíing whale [= pilot whale] Globicephala melaena píolótach m1
cabbage palm (= cabbage tree) Cordyline australis cordailín m4 deisceartach
cabbage tree (= cabbage palm) Cordyline australis cordailín m4 deisceartach
cachalot [= sperm whale] Physeter catodon caisealóid f2
caddis fly Trichoptera (ord) cuil f2 chadáin
cairn terrier Canis familiaris brocaire m4 carn
calcareous red seaweed (Fam. coral) Lithophyllum fasciculatum gruánach m1
calceolaria Calceolaria (géineas) cailceoláiria f4
Californian sea-lion Zalophus californianus mór-rón m1 Calafóirneach
Camberwell beauty butterfly Nymphalis antiopa f4 na fallainge (fallaing f2 mhór)
camomile (chamomile) Anthemis nobilis (Chamaemelum nobile) camán m1 meall (camán míonla)
campion Silene (spp.) coireán m1
Canada goose Branta canadensisf4 Cheanadach
Canadian fleabane Conyza canadensis eirigearán m1 Ceanadach
Canadian pondweed [= Canadian waterweed] Elodea canadensis tím f2 uisce
Canadian waterweed (Canadian pondweed, water thyme) Elodea canadensis tím f2 uisce
Canary Island date palm Phoenix canariensis pailm f2 dhátaí Chanárach
candy striped worm Prostheceraeus vittatus leithphéist f2 stríoca candaí
canoe shell Scaphander lignarius coite m4
Canterbury bell Campanula medium plúrán m1 cloigneach
Cape Barren goose Cereopsis novae-hollandiae f4 Thasmánach
Cape buffalo Syncerus caffer buabhall m1 rinne
capelin Mallotus villosus caibeallán m1
Cape penguin Spheniscus demersus piongain f2 chosdubh
Cape teal Anas capensis praslacha f5 cheannliath
capercaillie Tetrao urogallus capall m1 coille
caracal lynx Felis caracal lincse f4 chluasdubh
cardinal beetle Pyrochroa (sp.) ceardán m1 craorag
caribou Rangifer arcticus carabú m4
carline thistle Carlina vulgaris feochadán m1 mín
carnation sedge Carex panicea cíb f2 chruithneachta
Carolina box turtle Terrapene carolina turtar m1 boscach Carailíneach
Carolina duck Aix sponsa lacha f5 choille
carp Cyprinus carpio carbán m1
carpet beetle Anthrenus (spp.) ciaróg f2 olla
carpet shell Tapes decussata breallach m1 croise
carrageen Chondrus (sp.) carraigín m4
carrageen Chondrus crispus cosáinín m4 (carraige)
carrageen Gigartina stellata clúimhín m4 cait
carrion crow Corvus corone corone caróg f2 dhubh
case-bearing clothes moth Tinea pellionella leamhan m1 éadaigh an cháis
Caspian tern Sterna caspia geabhróg f2 Chaispeach
cat Felis domesticus cat m1
cat biting louse Felicola subrostrata míol m1 cait
caterpillar Lepidoptera (ord) bolb m1 (bratóg f2)
caterpillar (of large white butterfly) Pieris brassicae péist f2 cháil (cruimh f2 chabáiste, péist chabáiste)
catfish (sea-cat) Anarrhicas lupus cat m1 mara
cat flea Ctenocephalides felis dreancaid f2 chait
cathartic flax [= fairy flax] Linum catharticum líon m1 na mban sí (mionsach f2)
cat mange mite Demodex cati fíneog f2 chlaimhe chait
catís-ear Hypochoeris radicata cluas f2 chait
catís-tail [= timothy] Phleum pratense tiomóid f2
cattle egret Bubulcus ibis éigrit f2 eallaigh
cattle mange mite Demodex bovis fíneog f2 chlaimhe eallaigh
cattle tick Ixodes ricinus sceartán m1 eallaigh
cat worm Nephthys hombergi catphéist f2
Cavalier King Charles spaniel Canis familiaris spáinnéar m1 ridiriúil Shéarlais
cave bear [= brown bear] Ursus arctos béar m1 donn
cedar Cedrus (spp.) céadar m1
Cedar of Lebanon Cedrus libani Céadar m1 na Liobáine
Celebes macaque Macaca (géineas) meacaic f2 na Ceilibéise
celeriac Apium graviolens rapaceum soiliriac m4
centipede Chilopoda (ord) céadchosach m1
Ceramium Ceramium (sp.) Ceramium m4
Cetti's warbler Cettia cetti ceolaire m4 Cetti
chafer Scarabaeidae (fine) deá m4
chaffinch Fringilla coelebs m4 rua (bricín m4 beatha, gealbhan m1 cátha, gealbhan gleoránach)
chamois Rupicapra (géineas) seamaí m4
chamomile [= camomile] Anthemis nobilis (Chamaemelum nobile) camán m1 meall (camán míonla)
channel wrack Pelvetia canaliculata caisíneach f2 (dúlamán m1, múirín m4 na muc)
chanterelle Cantharellus cibarius cantarnaid f2
chaparral bird (= chaparral cock, road runner) Geococcyx (géineas) reathaí m4 an bhóthair
chaparral cock (= chaparral bird, road runner) Geococcyx (géineas) reathaí m4 an bhóthair
Chapmanís zebra Equus burchellii antiquorum séabra m4 Chapman
char Salvelinus alpinus ruabhreac m1
charlock Sinapis arvensis praiseach f2 bhuí (lus m3 na súl buí)
Cheal's Weeping Cherry Prunus (spp.) crann m1 silíní silte Cheal
cheese mite Acarus siro fíneog f2 cháise
cheetah Acinonyx jubatus síota m4
cherry Prunus (spp.) crann m1 silíní
cherry laurel Prunus laurocerasus labhras m1 silíní
cherry plum Prunus cerasifera crann m1 plumaí silíneacha
cherry tomato Lycopersicon esculentum cerasiforme tráta m4 silín
chervil Anthriscus cerefolium costóg f2
Chesapeake Bay retriever Canis familiaris aimseadóir m3 Chesapeake
chestnut-bellied starling Spreo pulcher pulcher druid f2 tharr-rua
chestnut-breasted teal Anas castanea praslacha f5 bhroinnrua
chickweed [= common chickweed] Stellaria media fliodh f2
chiffchaff Phylloscopus collybita tiuf-teaf m4
chihuahua Canis familiaris sí-abhabha m4
Chilean flamingo Phoenicopterus ruber chilensis lasairéan m1 Sileach
Chilean teal Anas favirostris praslacha f5 Shileach
Chiloe wigeon Anas sibilatrix rualacha f5 Shiolóch
chimpanzee Pan troglodytes simpeansaí m4
Chinaman's hat Calyptraea chinensis hata m4 Síneach
china-mark moth Pyralidae (fine) leamhan m1 piorálach
chinchilla Chincilla lanigera sinsile f4
Chinese crested (dog) Canis familiaris gliobach m1 Síneach
Chinese gooseberry (= kiwi) Actinidia chinensis planda m4 cíobhaíonna
Chinese juniper Juniperus chinensis aiteal m1 Síneach
Chinese (painted) quail Coturnix chinensis gearg f2 Shíneach
Chinese water deer Hydropotes nermis dobharfhia m4 Síneach
Chinese weeping willow Salix babylonica saileach f2 shilte Shíneach
chipmunk Tamias (géineas) iora m4 talún
chital (= axis deer) Cervus axis síotal m1
chiton Chitonida (ord) / Polyplacophora (ord) ciotón m1
chough Pyrrhocorax pyrrhocorax cág m1 cosdearg (cág deargchosach, préachán m1 cosdearg)
chow chow Canis familiaris seabha-seabha m4
chukar partridge Alectoris chukar patraisc f2 tiucair
Chusan palm Trachycarpus fortunei pailm f2 Chúsan
cicada Cicadidae (fine) ciocáid f2
cider gum Eucalyptus gunnii crann m1 guma ceirtlise
cinnabar moth Callimorpha jacobaeae leamhan m1 flanndearg
circular crab Atelecyclus septemdentatus portán m1 cruinn
cirl bunting Emberiza cirlus cirlghealóg f2
citrine wagtail Motacilla citreola glasóg f2 chiotrónach
citron tree Citrus medica crann m1 ciotrón
citron-crested cockatoo Katatoe citrino-cristata cocatú m4 ciotrónchíorach
clam [= sand gaper] Mya arenaria breallach m1 (breallacán m1)
cleavers (goosegrass, robin-run-the-hedge) Galium aparine garbhlus m3 (lus m3 garbh, uirlis f2 chríonna)
cleg-fly Haematopota pluvialis claig f2
clematis [= travellerís-joy] Clematis vitalba gabhrán m1
click beetle Elater (spp.) Máirín f4 na smeach
cliff swallow Hirundo pyrrhonota fáinleog f2 aille
clock [= dor beetle] Geotrupes stercorarius cloigín m4
clouded border moth Lomaspilis marginata imleog f2 dhorcha
clouded leopard Neofelis nebulosa liopard m1 marmarach
clouded yellow butterfly Colias croceus buíóg f2 chróch
clover (trefoil) Trifolium (spp.) seamair f2
clownís all-heal [= marsh woundwort] Stachys palustris cabhsadán m1 (duilleog f2 na saor)
clubmoss Lycopdium (spp.) garbhógach f2
clubroot [= finger-and-toe] Plasmodiophora brassicae galar m1 crúbach
Clumber spaniel Canis familiaris spáinnéar m1 Clumber
clustered dock (sharp dock) Rumex conglomeratus copóg f2 ghéar
cluster-fly Pollenia rudis cnuaschuil f2
coal tit (coal titmouse) Parus ater meantán m1 dubh
coal titmouse [= coal tit] Parus ater meantán m1 dubh
coalfish Pollachius virens glasán m1 (blocán m1, crothóg f2 (dhubh), liúdar m1)
coat-of-mail chiton Lepidopleurus asellus ciotón m1 máille
coca Erythroxylum coca cóca m4
cockatiel Nymphicus hollandicus cocaitíl f2
cockchafer (maybug) Melolontha (sp.) cearnamhán m1
cocker spaniel Canis familiaris spáinnéar m1 feá
cockroach Blatta orientalis blatóg f2 choiteann, Fam. ciaróg dhubh
cockroach Blattodea (fo-ord) ciaróg f2 dhubh
cockís-foot Dactylis glomerata garbhfhéar m1
cod Gadus morhua trosc m1 (bod m1 donn, bod rua)
Codium Codium (spp.) Codium m4
coendou Coendou mexicanum cuandú m4
coiled tube worm Spirobis (spp.) tiúbphéist f2 chorntha
colchicum Colchicum (géineas) cróch m4 an fhómhair
collared aracari Pteroglossus torquatus arasaraí m4 muinceach
collared dove (collared turtle dove) Streptopelia decaocto fearán m1 baicdhubh
collared pratincole Glareola pratincola pratancól m1 muinceach
collared turtle dove [= collared dove] Streptopelia decaocto fearán m1 baicdhubh
collie Canis familiaris cóilí m4
colobus monkey Colobus polykomos moncaí m4 colabach
Colorado beetle Leptinotarsa decemlineata ciaróg f2 Colorado
coltís-foot Tussilago farfara sponc m1 (adhann f2)
columbine Aquilegia vulgaris colaimbín m4 (lus m3 an choilm)
comfrey Symphytum (spp.) lus m3 na gcnámh briste (meacan m1 an chomparaí, meacan compair)
common acorn barnacle Semibalanus balanoides garbhán m1 carraige coiteann
common agama lizard Agama agama agama m4 coiteann
common bent Agrostis tenuis beinteach f2 choiteann
common birdís-foot-trefoil Lotus corniculatus crobh m1 éin
common blenny [= shanny] Blennius pholis ceannruán m1 (ceann m1 craigirlín, ceann crua, ceann cruacháin, cloigeann m1 cruacháin, craigirlín m4)
common blue butterfly Polyommatus icarus gormán m1 coiteann
common brittlestar Ophiothrix fragilis crosóg f2 bhriosc choiteann
common broomrape (lesser broomrape) Orobanche minor múchóg f2 bheag
common buttercup [= meadow buttercup] Ranunculus acris fearbán m1 léana (fearbán féir, gairgín m4)
common butterwort Pinguicula vulgaris bodán m1 meascáin (leith f2 uisce)
common camellia Camellia japonica caiméilia f4 choiteann
common centaury Centaurium erythraea dréimire m4 Mhuire
common cerith Cerithium vulgatum ceirit f2 choiteann
common chickweed (chickweed) Stellaria medea fliodh f2
common clothes moth Tineola bisselliella leamhan m1 éadaigh
common club-rush (bulrush) Scirpus lacustris bogshifín m4
common cockle [= edible cockle] Cardium edule (Cerastoderma) ruacan m1 (gruán m1)
common cord moss Funaria hygrometrica cordchaonach m1
common cottongrass (bog cotton) Eriophorum angustifolium ceannbhán m1 caolduilleach
common couch (couch-grass, scutch) Agropyron repens (Elymus-Repens) broimfhéar m1 (féar m1 gaoil)
common cudweed Filago germanica (F. vulgaris) cáithluibh f2
common cup lichen Cladonia pyxidata cupán m1 móna
common dog-violet Viola riviniana sailchuach f2 chon
common dolphin Delphinus delphis deilf f2 choiteann
common dragonet [= dragonet] Callionymus lyra iascán m1 nimhe (scailpín m4)
common duckweed Lemna minor ros m1 lachan (coiteann) (grán m1 tonóg, lus m3 gan athair gan mháthair, ros m1 uisce)
common earthworm Lumbricus terristris cuiteog f2 (agaill f2)
common elm [= English elm] Ulmus procera leamhán m1 coiteann
common European oyster Ostrea edulis oisre m4 Eorpach coiteann
common extinguisher moss Encalypta vulgaris múch-chaonach m1
common field-speedwell Veronica persica lus m3 cré garraí
common figwort Scrophularia nodosa donnlus m3 cnapánach (fothram m1)
common finback [= common rorqual] Balaenoptera physalus droimeiteach m1
common fleabane Pulicaria dysenterica lus m3 buí na ndreancaidí
common forget-me-not [= field forget-me-not] Myosotis arvensis lus m3 míonla coiteann
common fumitory Fumaria officinalis camán m1 searraigh coiteann
common grey sea slug Ophistobranchia bodalach m1 glas
common gull Larus canus faoileán m1 bán
common hammerhead (= smooth hammerhead) Sphyrna zygaena ceann m1 casúir coiteann
common hermit crab (soldier crab) Pagurus bernhardus faocha f5 ghliomaigh (portán m1 sligreach)
common iguana Iguana iguana ioguána m4 coiteann
common ink-cap Coprinus atramentarius caidhp f2 dhubh
common jellyfish Aurelia aurita smugairle m4 róin coiteann
common knapweed (blackheads) Centaurea nigra cnapán m1 dubh (brealla fpl gorma, ceanna mpl dubha, mínscoth f3, mullach m1 dubh)
common lime Tilia × vulgaris teile f4 choiteann
common limpet Patella vulgaris bairneach m1 coiteann
common lizard Lacerta vivipara earc m1 luachra
common mallow Malva sylvestris hocas m1
common marsh-bedstraw (marsh-bedstraw) Galium palustre m4 corraigh
common milkwort Polygala vulgaris lus m3 an bhainne
common morel Morchella (géineas) morchal m1 coiteann
common mouse-ear (common mouse-ear chickweed) Cerastium fontanum (subsp.) triviale cluas f2 luchóige choiteann
common mouse-ear chickweed [= common mouse-ear] Cerastium fontanum (subsp.) triviale cluas f2 luchóige choiteann
common mushroom Agaricus campestris beacán m1 (muisiriún m1, fás m1 na haon oíche)
common mussel Mytilus edulis diúilicín m4 (iascán m1, musla m4)
common narrow-leaved vetch [= common vetch] Vicia sativa peasair f2 chapaill
common necklace shell Natica millepunctata bráisléad m1 coiteann
common nettle Urtica dioica neantóg f2
common newt Triturus vulgaris earc m1 sléibhe
common northern whelk Buccinum undatum cuachma f4 thuaisceartach choiteann
common nut-shell Nucula nucleus cnóshliogán m1 coiteann
common orache Atriplex patula eilifleog f2 choiteann (praiseach f2 mhín)
common ormer Haliotis tuberculata cluas f2 mhara choiteann
common otter shell Lutaria lutaria sliogán m1 dobharchú coiteann
common peafowl Pavo cristatus péacóg f2 choiteann
common pearlwort [= annual pearlwort] Sagina apetala lus m3 na bpéarlaí (coiteann)
common persicaria (redshank) Polygonum persicaria glúineach dhearg
common piddock Pholus dactylus pideog f2
common poppy (corn poppy) Papaver rhoeas cailleach f2 dhearg
common prawn Leander serratus cloicheán m1 coiteann
common ragworm Nerine (géineas) raga m4 coiteann
common ragwort Senecio jacobaea buachalán m1 buí
common ramping-fumitory Fumaria muralis (subsp.) boraei camán m1 searraigh múrach
common redpoll (mealy redpoll) Carduelis flammea flammea (Acanthis flammea flammea) deargéadan m1 coiteann
common reed Phragmites australis (P. communis) giolcach f2
common restharrow (bowstring) Ononis repens fréamhacha fpl tairne
common rhea Rhea americana ria m4 coiteann
common rorqual (common finback, fin whale) Balaenoptera physalus droimeiteach m1
common rustic moth Apamea secalis odhróg f2 choiteann
common saddle oyster Anomia ephippium sligín m4 slámach coiteann
common sallow [= grey willow] Salix atrocinerea (subsp.) oleifolia saileach f2 choiteann
common sandpiper Actitis hypoleucos (Tringa hypoleucos) gobadán m1 (coiteann)
common scoter Melanitta nigra scótar m1
common scurvygrass Cochlearia officinalis biolar m1 trá
common seal (harbour seal) Phoca vitulina rón m1 beag
common sea-squirt Tunicata / Urochorda (fofhíleam) ascaid f2 choiteann
common sea urchin Echinus esculentus cuán m1 mara coiteann
common sedge Carex nigra cíb f2 choiteann
common shelduck Tadorna tadorna seil-lacha f5
common shore crab (green crab, harbour crab) Carcinus maenas portán m1 glas
common shoveller [= shoveler] Spatula clypeata spadalach m1
common shrimp Crangon crangon séacla m4 (ribe m4 róibéis)
common skate (skate) Raja batis sciata m4 (scolabard m1)
common smooth sow-thistle [= smooth sow-thistle] Sonchus oleraceus bleachtán m1 mín (bleachtfheochadán m1)
common snipe Gallinago gallinago naoscach f2 (gabhairín m4 reo, meannán m1 aeir)
common sole (= dover sole) Solea solea sól m1
common sorrel Rumex acetosa samhadh m1 (coiteann) (bileoga fpl milse)
common speedwell [= heath speedwell] Veronica officinalis lus m3 cré coiteann
common spike-rush Eleocharis palustris cíb f2 dhéise
common spotted-orchid Dactylorhiza fuchsii nuacht f3 bhallach choiteann (nuaíocht f3 bhallach choiteann)
common starfish Asterias rubens crosóg f2 mhara choiteann
common storkís-bill (stork bill) Erodium cicutarium gob m1 coirre
common sundew [= round-leaved sundew] Drosera rotundifolia drúchtín m4 móna
common tern Sterna hirundo geabhróg f2 (scréachóg f2 thrá)
common thyme (= garden thyme) Thymus vulgaris tím f2 choiteann
common topknot Zeugopterus punctatus leathóg f2 leice
common twayblade Listera ovata dédhuilleog f2
common valerian (wild valerian) Valeriana officinalis caorthann m1 corraigh
common vetch (common narrow-leaved vetch) Vicia sativa peasair f2 chapaill
common vincetoxicum Vincetoxicum hirundinaria sciathán m1 na fáinleoige
common water-crowfoot Ranunculus aquatilis néal m1 uisce
common water-starwort Callitriche stagnalis réiltín m4 uisce
common whelk Buccinum undatum cuachma f4 (gúgán m1)
common whitebeam Sorbus aria bíoma m4 bán
common yellow-sedge Carex demissa cíb f2 bhuí (choiteann)
compact rush Juncus subuliflorus (J. conglomeratus) luachair f3 dhlúth
compass jellyfish Chrysoara hysocella smugairle m4 an chompáis
conger (conger eel) Conger conger eascann f2 choncair (eascann mhara)
conger eel [= conger] Conger conger eascann f2 choncair (eascann mhara)
conifer Coniferales (ord) buaircíneach m1
connor [= ballan wrasse] Labrus bergylta ballach m1 breac (ballán m1)
coot Fulica atra cearc f2 cheannann, coileach m1 ceannann
copepod Copepoda (fo-aicme) cópapód m1
copper beech Fagas sylvatica (var.) atropunicea feá f4 rua
coral (Fam.) [= calcareous red seaweed] Lithophyllum fasciculatum gruánach m1
coral (hard coral, true coral) Madreporaria (ord) coiréalach m1
coralweed Corallina officinalis feamainn f2 choiréalach
cordyline Cordyline australis cordailín m4
corkwing wrasse Crenilabrus melops bochar m1
cormorant Phalacrocorax carbo broigheall m1 (cailleach f2 dhubh, fiach m1 mara, murúchaill f2)
corn bunting Emberiza calandra gealóg f2 bhuachair
corncrake (land-rail) Crex crex traonach m1 (gearr m4 goirt, traona m4)
cornered Ark shell Arcoidea (ord) sliogán m1 cúinneach na hÁirce
Cornish sucker (= shore clingfish) Lepadogaster lepadogaster (purpurea) súmaire m4 Cornach
corn marigold Chrysanthemum segetum buíán m1 (buíán buí)
corn mint (field mint) Mentha arvensis mismín m4 arbhair (miontas m1 arbhair)
corn poppy [= common poppy] Papaver rhoeas cailleach f2 dhearg
corn sow-thistle [= perennial sow-thistle] Sonchus arvensis bleachtán m1 léana
corn spurrey Spergula arvensis corrán m1 lín
corn woundwort [= field woundwort] Stachys arvensis créachtlus m3 arbhair
corophium shrimp Corophium (spp.) dreancaid f2 slaba
Corsican fir (= Corsican larch, Corsican pine) Pinus laricio péine m4 Corsacach
Corsican larch (= Corsican fir, Corsican pine) Pinus laricio péine m4 Corsacach
Corsican pine (= Corsican fir, Corsican larch) Pinus laricio péine m4 Corsacach
Cory's shearwater Calonectris diomedea cánóg f2 Cory
cotoneaster [= small-leaved cotoneaster] Cotoneaster microphyllus cotóinéastar m1 mionduilleach
couch-grass [= common couch] Agropyron repens (Elymus repens) broimfhéar m1 (féar m1gaoil)
cowbane (water hemlock) Cicuta virosa fealla m4 bog
cow parsley Anthriscus sylvestris peirsil f2 bhó
cowrie Trivia (spp.) fínicín m4
cowslip Primula veris bainne m4 bó bleachtáin (bainne m4 bó bleacht, béal m1 na bó)
coyote Canis latrans cadhóit f2
crab Decapoda (ord) (cuid) portán m1
crab apple Malus sylvestris crann m1 fia-úll
crab louse Phthirus pubis míol m1 crúbach (míol gríofa, sceartán m1 crúbach)
crack willow (withy) Salix fragilis saileach f2 bhriosc
cranberry Vaccinium oxycoccos tom m1 mónóg
crane fly (daddy-long-legs) Tipulidae (fine) galán m1 (fíodóir m3, Pilib m4 an gheataire, ruamann m1 na gcoinneal, snáthadán m1, snáthadán cogaidh, snáthaid f2 an phúca, tuirne m4 Mháire)
crawfish Palinurus elephas piardóg f2 (gabhal m1 mara, gliomach m1 Muire)
crayfish Astacus pallipes gliomach m1 fionnuisce
cream-coloured courser Cursorius cursor rásaí m4 bánbhuí
creeping bent (fiorin-grass) Agrostis stolonifera feorainn f2 (beinteach f2 reatha)
creeping buttercup Ranunculus repens fearbán m1
creeping cinquefoil Potentilla reptans cúig mhéar f2 Mhuire
creeping-jenny (moneywort) Lysimachia nummularia lus m3 an dá phingin
creeping red fescue Festuca (géineas) feisciú m4 rua reatha
creeping thistle Cirsium arvense feochadán m1 reatha
creeping willow Salix repens saileach f2 reatha
crescent cup liverwort Lunularia cruciata ae m4 luain
cress Cruciferae (fine) biolar m1
crested dogís-tail Cynosurus cristatus coinfhéar m1
crested screamer Chauna torquata screadóg f2 chíorach
crested tit Parus cristatus meantán m1 cuircíneach
cricket [= grasshopper] Saltatoria (ord) dreoilín m4 teaspaigh (criogar m1 féir, crucaide m4 caoráin, míol m1 féir, píobaire m4 fraoigh, scadáinín m4 féir)
crocodile Crocodylus (sp.) crogall m1
crocus Crocus (sp.) cróch m4
crossbill Loxia curvirostra crosghob m1
cross-cut carpet shell Venerupis decussata breallach m1 croise crosghearrtha
cross-leaved heath Erica tetralix fraoch m1 naoscaí
crow Corvus corone caróg f2 (préachán m1)
crowberry Empetrum nigrum lus m3 na feannóige
crowfoot [= buttercup] Ranunculus (spp.) crobh m1 préacháin (cam m1 an ime)
crowned lapwing Stephanibyx coronatus feadóg f2 chorónach
crowned pigeon Goura cristata colm m1 corónach
crucian carp Carassius carassius carbán m1 crosach
crustose lichen Lichenes (fíleam) léicean m1 crústúil
crystalwort Riccia glauca ae m4 criostail
cuckoo Cuculus canorus cuach f2
cuckooflower (ladyís-smock) Cardamine pratensis biolar m1 gréagáin (léine f4 Mhuire)
cuckoo pint [= lords-and-ladies] Arum maculatum cluas f2 chaoin (bod m1 gadhair)
cuckoo ray Raja naevus roc m1 na súl dubh
cuckoo spit Cercopidae (fine) seile m4 cuaiche
cuckoo-spit insect [= froghopper] Cercopidae (fine) míol m1 seile cuaiche
cuckoo wrasse Labrus mixtus ballach m1 Muire (deargadh m bear, splanc f2)
Cudbear lichen Ochrolchia tartarea léicean m1 Cudbear
cup fungus Pezizales (ord) cuachfhungas m1
curled dock Rumex crispus copóg f2 chatach
curled octopus (= little octopus) Eledone cirrhosa ochtapas m1 beag
curled pondweed Potamogeton crispus duileasc m1 abhann catach
curlew Numenius arquata crotach m1 (cuirliún m1)
curlew sandpiper Calidris ferruginea gobadáinín m4 crotaigh
curly-coated retriever Canis familiaris aimseadóir m3 fionnachas
curved razor shell (= sword razor) Ensis ensis scian f2 mhara chuar
cushion starlet Asterina gibbosa crosóg f2 fhaoilinne
cut-leaved craneís-bill Geranium dissectum crobh m1 diosctha
cut-leaved selfheal Prunella laciniata duán m1 scothógach
cuttlefish Sepia (spp.) cudal m1 (cudal sceitheach, scudal m1)
cut trough shell Spisula subtruncata sliogán m1 trach gearrtha
cut trough shell Spisula subtruncata sliogán m1 trach gearrtha
Cuvierís toucan (white-breasted toucan) Rhamphastes cuveri túcán m1 Cuvier
Cuvierís whale Ziphius cavirostris míol m1 mór Cuvier
cypress Cupressus (spp.) cufróg f2 (cupraisc f2)

Barr

dab Limanda limanda daba m4 (leatha f4 riabhach)
dabchick [= little grebe] Podiceps ruficollis spágaire m4 tonn (lapairín m4 locha)
dace Leuciscus leuciscus déas m1
dachshund Canis familiaris broc-chú m4
daddy-long-legs [= crane fly] Tipulidae (fine) galán m1 (fíodóir m3, Pilib m4 an gheataire, ruamann m1 na gcoinneal, snáthadán m1, snáthadán cogaidh, snáthaid f2 an phúca, tuirne m4 Mháire)
daffodil Narcissus lus m3 an chromchinn (lus an aisig)
dahlia anemone Urticina felina (Tealia felina) bundún m1 leice dáilia
daisy Bellis perennis nóinín m4
daisy anemone Cereus pedunculatus nóinín m4 mara
dalmatian Canis familiaris dalmátach m1
Dalmatian pelican Pelecanus crispus peileacán m1 Dalmátach
damsel fly Zygoptera (fo-ord) béchuil f2
damsel nymph Zygoptera (fo-ord) nimfeach f2 na béchuile
dandelion Taraxacum officinale caisearbhán m1
Dandie Dinmont terrier Canis familiaris brocaire m4 Dandie Dinmont
dark-breasted brent goose Branta bernicla bernicla f4 dhubh
dark-eyed junco Junco hyemalis luachairín f4 shúildubh
dark green fritillary butterfly Argynnis aglaia fritileán m1 dúghlas
dark-green mouse-ear chickweed [= sea mouse-ear] Cerastium diffusum cluas f2 luchóige dhúghlas
dark mullein Verbascum nigrum coinnle fpl an phúca
dark-red helleborine Epipactis atrorubens magairlín m4 dúdhearg
darnel Lolium temulentum roille f4
Dartford warbler Sylvia undata ceolaire m4 fraoigh
date mussel Lithophaga lithophaga diúilicín m4 dáta
Daubentonís bat Myotis daubentoni ialtóg f2 Daubenton
deadly nightshade Atropa belladonna lus m3 mór na coille (lus díoth mór)
dead manís fingers Alcyonium digitatum méara fpl mara (cíoch f2 charraige)
dead-nettle Lamium (spp.) caochneantóg f2
death cap Amanita phalloides caidhp f2 bháis
deathís head hawk moth Acherontia atropos conach m1 na cealtrach
death watch beetle Xestobium rufovillosum ciaróg f2 oíche (cailleach f2 oíche)
deer Cervidae (fine) fia m4
deergrass Scirpus cespitosus cíb f2 cheanngheal
demoiselle crane Anthropoides virgo grús m1 coimir
deodar(a) (= deodar cedar) Cedrus deodara céadar m1
deodar cedar (= deodar, deodara) Cedrus deodara céadar m1
Deptford pink Dianthus (géineas) lus m3 gile Deptford
desert monitor Varanus griseus monatóir m3 gaineamhlaigh
desert rosy boa Lichanura roseofusca gracia bua m4 rósach gaineamhlaigh
desert wheatear Oenanthe deserti clochrán m1 fásaigh
deutzia Deutzia (géineas) dúitsia f4
devilís bit [= devilís bit scabious] Succisa pratensis odhrach f2 bhallach (greim m3 an diabhail)
devilís bit scabious (devilís bit) Succisa pratensis odhrach f2 bhallach (greim m3 an diabhail)
devilís coach horse Ocypus olens deargadaol m1
diamond (ground) dove Geopelia cuneata colm m1 diamantach
dill Anethum graveolens lus m3 mín
dingo Canis dingo diongó m4
dingy skipper butterfly Erynnis tages donnán m1
dipper Cinclus cinclus gabha m4 dubh
distorted tellin Tellinidae (fine) teillíneach m1 míchumtha
diver Gavia (spp.) lóma m4
Dobermann pinscher Canis familiaris pinséir m3 Dobermann
dock Rumex (spp.) copóg f2
dog Canis familiaris madra m4 (gadhar m1)
dog biting louse Trichodectes canis míol m1 madra (sor m1 madra)
dog cockle Glycymeris glycymeris ruacan m1 con
dogfish Scyliorhinidae (fine) fíogach m1 (freangach m1)
dog flea Ctenocephalides canis dreancaid f2 mhadra
dog itch mite Sarcoptes canis fíneog f2 thochais mhadra
dog lichen Peltigera canina lusra m4 an chonaigh
dog red mange mite Demodex canis fíneog f2 chlaimhe mhadra
dog rose Rosa canina feirdhris f2
dog whelk [= purple shell] Nucella lapillus cuachma f4 chon (faocha f5 chapaill, faocha choirn)
dog winkle [= purple shell] Nucella lapillus cuachma f4 chon (faocha f5 chapaill, faocha choirn)
dogwood Cornus sanguinea (Swida sanguinea) conbhaiscne f4
dolphin Delphinidae (fine) deilf f2
dolphin-fish Coryphaena (spp.) dorád m1
dor beetle (clock, lousy watchman) Geotrupes stercorarius cloigín m4
dormouse Muscardinus avellanarius luch f2 chodlamáin (dallóg f2 fhéir)
dotterel Eudromias morinellus amadán m1 móinteach
double-crested cormorant Phalacrocorax auritus broigheall m1 cluasach
Douglas fir Pseudotsuga menziesii giúis f2 Dhúghlais
dove (pigeon) Columba (spp.) colm m1 (colmán m1, colúr m1)
doveís-foot (soft) craneís-bill Geranium molle crobh m1 bog
dove shell Pyrene rustica muirleog f2
dover sole (= common sole) Solea solea sól m1
downy birch (hairy birch) Betula pubescens beith f2 chlúmhach
downy mildew Peronosporaceae (fine) coincleach f2 chlúmhach (caonach m1 liath, clúmh m1 liath, snas m3 liath)
dracaena Dracaena / Cordyline (géineas) dracaeine f4
dragonet (common dragonet) Callionymus lyra iascán m1 nimhe (scailpín m4)
dragonfly Anisoptera (fo-ord) snáthaid f2 mhór
drill Mandrillus leucophaeus drill f2
dromedary camel Camelus dromedarius dromadaire m4
drone Apoidea (fine) ladrann m1
drone-fly Eristalis tenax drónchuil f2
drugstore beetle [= biscuit beetle] Stegobium paniceum ciaróg f2 bhrioscaí
Dublin Bay prawn Nephros norvegicus cloicheán m1 bhá Bhaile Átha Cliath
duck Anatidae (fine) lacha f5
dugong Dugong dugon dugang m4
duiker Sylvicapra grimmia dícear m1
dulse Rhodymenia palmata duileasc m1 (creathnach f2)
dumb-cane Dieffenbachia seguine lus m3 na bailbhe
dung beetle Geotrupes (spp.) priompallán m1 (trumpallán m1)
dunlin Calidris alpina breacóg f2 (cearc f2 ghainimh, circín f4 trá)
dunnock [= hedge sparrow] Prunella modularis donnóg f2 (bráthair m an dreoilín, gealbhan m1 bruaigh, gealbhan claí)
dusky perch Epinephelus gigas bas f2 chrónbhuí
dusky thrush Turdus (naumanni) eunomus smólach m1 breacdhorcha
dusky warbler Phylloscopus fuscatus ceolaire m4 breacdhorcha
Dutch elm Ulmus hollandica major leamhán m1 Dúitseach
Dutch lop-eared rabbit Lagomorpha (ord) coinín m4 spadchluasach Dúitseach
dwarf birch Betula nana beith f2 bheag
dwarf fan palm Chamaerops humilis mionphailm f2 fean
dwarf mussel Unionidae (fine) diúilicín m4 mion
dwarf nasturtium Tropaeolaceae (fine) gleorán m1 mion
dye murex Murex (bolinus) brandaris muireachaoin f2 na corcra
dyerís rocket [= weld] Reseda luteola buí m4 mór

Barr

eagle Aquila (spp.) iolar m1
eagle ray Myliobatis (fine) roc m1 iolair
eared willow Salix aurita crann m1 sníofa
early marsh-orchid Dactylorhiza incarnata magairlín m4 mór (an chorraigh)
early-purple orchid Orchis mascula magairlín m4 meidhreach
earth lover Lithobius (spp.) céadchosach m1 cré
earthnut [= pignut] Conopodium majus cúlarán m1 (cnó m4 arcáin, cúralán m1)
earth pig (= aardvark, ant bear, anteater) Orycteropus afer arcán m1 talún
earthworm Lumbricus terristris cuiteog f2
earthworm Terricolae (ord) péist f2 talún
earwig Dermaptera (ord) gailseach f2 (ailseach f2, ceilpeadóir m3, ciaróg f2 lín, gearr m4 gabhláin, Síle f4 an phíce)
eastern grey kangaroo Macropus giganteus cangarú m4 glas oirthearach
eastern strawberry (= Greek strawberry tree) Arbutus andrachne caithne f4 ghréagach
echidna Tachyglossus aculeatus eicidneach m1
echinoderm Echinodermata (fíleam) eicínideirmeach f2
edible cockle [= common cockle] Cardium edule (Cerastoderma) ruacan m1 (gruán m1)
edible crab [= great crab] Cancer pagurus portán m1 dearg (portán rua)
edible periwinkle [= edible winkle] Littorina littorea gioradán m1
edible scallop (= great scallop) Pecten maximus muirín m4 mór
edible winkle (edible periwinkle, Fam. sea snail) Littorina littorea gioradán m1
eel Anguilla anguilla eascann f2 (eascú f)
eelgrass Zostera marina miléarach f2 (meilsceánach m1)
eelpout Zoarces viviparus puteascann f2
egg cockle Cardium (géineas) ruacan m1 uibhe
Egyptian goose Alopochen aegyptiacus f4 Éigipteach
Egyptian vulture Neophron percnopterus bultúr m1 Éigipteach
eider Somateria mollissima éadar m1
elder Sambucus nigra trom m1
electric ray Torpedo nobiliana craimpiasc m1
elegant tern Sterna elegans geabhróg f2 ghalánta
elephant hawk moth Deilephila elpenor conach m1 eilifinteach
elephant seal Mirounga (géineas) rón m1 eilifintiúil
elkhound (= Norwegian elkhound) Canis familiaris cearbhchú m4 Ioruach
Elliotís pheasant Syrmaticus ellioti piasún m1 Elliot
elliptical trough shell Spisula elliptica sliogán m1 trach éilipseach
elm Ulmus (spp.) leamhán m1
elver Anguilla anguilla luathóg f2
emerald toucanet Aulacorhynchus prasinus túcáinín m4 smaragadach
emmer wheat Triticum dicoccum cruithneacht f3 emmer
emperor goose Anser canagicus f4 impireach
emperor moth Saturnia pavonia impire m4
emu Dromiceius novaehollandiae éamú m4
enchanterís-nightshade Circaea lutetiana fuinseagach f2
English elm (common elm) Ulmus procera leamhán m1 coiteann
English foxhound Canis familiaris gadhar m1 sionnach gallda
English hare (brown hare) Lepus capensis (L. europaeus) giorria m4 gallda
English setter Canis familiaris sotar m1 gallda
English springer spaniel Canis familiaris spáinnéar m1 preabach Sasanach
English stonecrop Sedum anglicum póiríní mpl seangán
English toy terrier Canis familiaris measbhrocaire m4 Sasanach
ergot Claviceps purpurea eargót m1
escallonia Escallon eascallóine f4
Eskimo curlew Numenius borealis crotach m1 Artach
estuarine crocodile Crocodylus porosus crogall m1 inbhir
estuarine goby Pomatoschistus microps mac m1 siobháin inbhir
eucalyptus Eucalyptus (spp.) eoclaip f2
European chicken flea Ceratophyllus gallinae dreancaid f2 chirce
European cowrie Trivia monacha / Cypraea eorapaea fínicín m4 Eorpach
European hop hornbeam Ostrya carpinifolia cornbhíoma m4 hopúil Eorpach
European larch Larix decidua learóg f2 Eorpach
European otter Lutra lutra madra m4 uisce Eorpach
European pochard (pochard) Aythya ferina póiseard m1 (lacha f5 mhásach)
European pond terrapin [= European pond turtle] Emys orbicularis lochthurtar m1 Eorpach
European pond turtle (European pond terrapin) Emys orbicularis lochthurtar m1 Eorpach
European rabbit flea Spilopsyllus cuniculi dreancaid f2 choinín
European wigeon Anas penelope rualacha f5 Eorpach
European wild cat Felis silvestris cat m1 fiáin Eorpach
European wolf Canidae (fine) mac m1 tíre Eorpach
European yellow cowrie Cypraea (géineas) fínicín m4 buí Eorpach
evergreen oak (holm oak) Quercus ilex dair f5 thoilm
eyebright Euphrasia officinalis glanrosc m1 (rinn f2 roisc)
Eytonís tree duck Dendrocygna eytoni feadlacha f5 Eyton

Barr

fairy bluebird Irena puella gormóg f2 shí
fairy flax (cathartic flax, purging flax) Linum catharticum líon m1 na mban sí (mionsach f2)
falcated teal Anas falcata praslacha f5 fhalcach
falcon Falco (spp.) fabhcún m1
fallow deer Dama dama fia m4 buí
false brome Brachypodium sylvaticum brómas m1 bréige
false clothes moth [= brown house moth] Hofmannophila pseudospretella leamhan m1 tí donn
false killer whale Pseudorca crassidens cráin f dhubh bhréige
false morel Gyromitra esculenta morchal m1 bréige
false oat-grass Arrhenatherum elatius coirce m4 bréige
false-scorpion Pseudoscorpiones (ord) scairp f2 bhréige
fan mussel (= pen shell) Pinna fragilis cleiteog f2
fan worm Sabellidae (fine) feanphéist f2
Faroe sunset shell Gari (géineas) fuineadh m1 Faró
fat-hen (white goosefoot) Chenopodium album blonagán m1 bán (ceathrú f5 chaorach, ceathrú luáin)
Fea's soft-plumaged petrel Pterodroma feae peadairín m4 clúmhach Fea
feather moss Hypnobryales (ord) & Isobryales (ord) cleitchaonach m1
feather star Antedon bifida cleiteach f2 mhara
feathery red seaweed Polysiphonia (géineas) feamainn f2 dhearg chleiteach
female seal Phocidae (fine) bainirseach f2
fennec fox Fennecus zerda sionnach m1 feinneach
fennel Foeniculum vulgare finéal m1
feral cat Felis domesticus cat m1 fia (fiachat)
feral goat (wild goat) Capra hircus gabhar m1 fia (fiaghabhar)
feral pigeon Columbidae (fine) fiacholm m1
fern-grass Catapodium rigidum féar m1 raithní
ferret Mustela putorius furo firéad m1
fescue Festuca (spp.) feisciú m4
fiddler crab [= swimming crab] Macropipus (spp.) luaineachán m1
field bean Vicia faba pónaire m4 leathan
field bindweed (small bindweed) Convolvulus arvensis ialus m3 beag
field blewit Lepista saevum corcróg f2 léana
field erygno Eryngium (géineas) cuileann m1 léana
fieldfare Turdus pilaris sacán m1 (glaisneach m1, siocán m1 sneachta)
field forget-me-not (common forget-me-not, field scorpion grass) Myosotis arvensis lus m3 míonla coiteann
field horsetail Equisetum arvense eireaball m1 capaill coiteann
field madder Sherardia arvensis madar m1 dearg
field maple Acer campestre mailp f2
field mint [= corn mint] Mentha arvensis mismín m4 arbhair (miontas m1 arbhair)
field mushroom Agaricus campestris beacán m1 (coiteann)
field pansy (heartsease) Viola arvensis lus m3 croí
field scabious Knautia arvensis cab m1 an ghasáin (bodach m1 gorm, bréanla m4 gorm)
field scorpion grass [= field forget-me-not] Myosotis arvensis lus m3 míonla coiteann
field sow-thistle [= perennial sow-thistle] Sonchus arvensis bleachtán m1 léana
field spaniel Canis familiaris spáinnéar m1 fiaigh
field wood-rush Luzula campestris giúnach m1 léana
field woundwort (corn woundwort) Stachys arvensis créachtlus m3 arbhair
fifteen-spined stickleback (sea stickleback) Spinachia spinachia garmachán m1 farraige
figwort Scrophularia (spp.) donnlus m3
filbert Corylus maxima crann m1 faoisceoige
file-shell Lima lima sliogán m1 líomhánach
finch Fringilliade (fine) glasán m1
finger-and-toe (clubroot) Plasmodiophora brassicae galar m1 crúbach
Finnish spitz Canis familiaris spitse m4 Fionlannach
fin whale [= common rorqual] Balaenoptera physalus droimeiteach m1
fiorin-grass [= creeping bent] Agrostis stolonifera feorainn f2 (beinteach f2 reatha)
fir Abies (spp.) giúis f2
fir clubmoss Lycopodium selago aiteann m1 Muire
firebrat Thermobia domestica gilín m4 tine
firecrest Regulus ignicapillus lasairchíor f2
firefly (glow-worm) Lampyridae (fine) lampróg f2
fireweed [= rosebay willowherb] Epilobium angustifolium saileachán m1 francach (lus m3 tine)
fish-hawk [= osprey] Pandion haliaetus coirneach m1 (iascaire m4 coirneach, ospróg f2)
fish leech Piscicolidae (fine) súmaire m4 éisc
fish louse Argulus foliaceus míol m1 éisc
five-bearded rockling Ciliata mustela donnán m1 cúig ribe
flat-coated retriever Canis familiaris aimseadóir m3 mín
flatfish Heterosomata (ord) leathóg f2 (leatha f4)
flat-leaved scale moss Madotheca platyphylla ae m4 gainneach leathach
flat periwinkle Littorina littoralis faocha f5 leathan
flatworm Platyhelminthes (fíleam) leithphéist f2
flat wrack Fucus spiralis casfheamainn f2
flea Siphonaptera (ord) dreancaid f2
flea sedge Carex pulicaris cíb f2 dhreancaide
flesh-fly Sarcophaga (spp.) cuil f2 fheola
floating crystalwort Riccia fluitans ae m4 locháin
floating sweet-grass Glyceria fluitans snámhfhéar m1 (milseán m1 uisce)
Florence Court yew [= Irish yew] Taxus baccata (var.) fastigiata iúr m1 Éireannach
flounder (fluke) Platichthys flesus leith f2 (dúleatha f4, leadhbóg f2)
flour beetle Tribolium (spp.) ciaróg f2 phlúir
fluke [= flounder] Platichthys flesus leith f2 (dúleatha f4, leadhbóg f2)
fly Diptera (ord) cuil f2 (cuileog f2)
flycatcher Muscicapa (spp.) cuilire m4 (cuilsealgaire m4)
flying-fish Exocoetus volitans iasc m1 eitilte
flying fox (= fruit bat) Pteropodidae (fine) ialtóg f2 na meas
foliose lichen Lichenes (fíleam) léicean m1 duilliúil
foolís parsley Aethusa cynapium peirsil f2 amaide
foolís water-cress (water celery) Apium nodiflorum biolar m1 bréige (gunna m4 uisce)
forest kelp Laminaria (géineas) leathach m1 foraoise
forget-me-not Myosotis (spp.) lus m3 míonla
fork moss Dicranales (ord) / Fissidentales (ord) gabhalchaonach m1
Formosan teal [= Baikal teal] Anas formosa praslacha f5 Bhaikalach
Forster's tern Sterna forsteri geabhróg f2 Forster
forsythia Forsythia (géineas) foirsítia f4
four-bearded rockling Rhinonemus cimbrius donnán m1 ceithre ribe
four-spotted chaser Libellula quadrimaculata ruagaire m4 ceathairbhallach
fox Vulpes vulpes sionnach m1 (madra m4 rua)
foxglove Digitalis purpurea lus m3 mór (méaracán m1 dearg, méirín m4 dearg, méirín púca)
fox sparrow Zonotrichia iliaca gealbhan m1 sionnaigh
fox terrier Canis familiaris brocaire m4 sionnach
fragrant orchid Gymnadenia conopsea lus m3 togha
freesia freesia (géineas) fríse f4
free-tailed bat Molossidae (fine) ialtóg f2 earrshaor
French bean Phaseolus vulgaris pónaire f4 fhrancach
freshwater catfish Silurus (spp.) cat m1 fionnuisce
freshwater limpet Ancylidae (fine) bairneach m1 fionnuisce
freshwater mussel Margaritiferidae (fine) diúilicín m4 fionnuisce
freshwater shrimp Gammarus (spp.) dreancaid f2 uisce
frilled scale moss Fossombronia pusilla ae m4 gainneach rufach
frit-fly Oscinella frit fritchuil f2
frog Rana temporaria frog m1 (loscán m1)
frogbit Hydrocharis morsus-ranae bior-rós m1 froig
froghopper (cuckoo-spit insect, spittle bug) Cercopidae (fine) míol m1 seile cuaiche
frog-spawn Rana temporaria síol m1 froganna (glóthach f2 fhroig)
frond Laminaria Cloustoni scothach f2 (ceanna mpl slat)
fruit bat (= flying fox) Pteropodidae (fine) ialtóg f2 na meas
fruit-fly Drosophilidae (fine) cuil f2 torthaí
fruticose lichen (tufted lichen) Lichenes (fíleam) léicean m1 dosach
fuchsia Fuchsia magellanica fiúise f4
fulmar [= fulmar petrel] Fulmarus glacialis fulmaire m4 (cánóg f2 bhán)
fulmar petrel (fulmar) Fulmar glacialis fulmaire m4 (cánóg f2 bhán)
fulvous whistling duck Dendrocygna bicolor feadlacha f5 odhar
fumitory Fumaria (spp.) camán m1 searraigh
fungus gnat Mycetophilidae (fine) cuil f2 fhungais
furbelows Saccorhiza bulbosa claíomh m1
furniture beetle [= woodworm] Anobium punctatum míol m1 críon
furze [= gorse] Ulex (spp.) aiteann m1
furze [= gorse] Ulex europaeus aiteann m1 gallda (aiteann francach)

Barr

gad-fly [= horse-fly] Tabanidae (fine) creabhar m1 capaill (beach f2 chapaill, dochtúir m3)
gadwall Anas strepera gadual m1
gall-fly Trypetidae (fine) gálchuil f2
gall-midge Cecidomyiidae (fine) gálmhíoltóg f2
gall wasp Cynipidae (fine) gálfhoiche f4
gannet Sula bassana gainéad m1 (ogastún m1)
gaping file-shell Limidae (fine) sliogán m1 líomhánach clabach
garden snail Helix aspersa seilide m4 garraí
garden spider Araneus diadematus damhán m1 garraí
garden thyme (= common thyme) Thymus vulgaris tím f2 choiteann
garden tiger moth Arctia caja leamhan m1 tíograch garraí
garden warbler Sylvia borin ceolaire m4 garraí
garfish Belone belone corr f2 uaine (ronnach m1 Spáinneach, spéirlint f2 fharraige, spéirlint mhara)
garlic Allium sativum gairleog f2
garlic mustard (Jack-by-the-hedge) Alliaria petiolata bóchoinneal f2
gastropod Gastropoda (aicme) gastrapód m1
gatekeeper Pyronia tithonus geatóir m3
gatekeeper butterfly Maniola tithonus geatóir m3
gean [= wild cherry] Prunus avium crann m1 silíní fiáin
gentian Gentiana (spp.) / Gentianella (spp.) ceadharlach m1
gentoo penguin Pygoscelis papua piongain f2 gheintiúch
gerbil Gerbillinae (fofhine) seirbil f2
germander speedwell Veronica chamaedrys lus m3 cré talún
German shepherd dog [= alsatian] Canis familiaris alsáiseach m1
ghost fly [= white fly] Aleyrodidae (fine) cuil f2 bhán
giant anteater Myrmecophaga tridactyla móralpaire m4 seangán
giant clam Tridacnidae (fine) breallach m1 mór
giant crab (= giant Japanese spider crab) Decapoda (ord) ollphortán m1 faoilinne Seapánach
giant hogweed Heracleum mantegazzianum ollfheabhrán m1
giant Irish deer Megaceros giganteus fia m4 mór na mbeann
giant Japanese spider crab (= giant crab) Decapoda (ord) ollphortán m1 faoilinne Seapánach
giant panda Ailuropoda melanolenca ollphanda m4
giant puff-ball Calvatia gigantea caise f4 an phúca
giant sequoia Sequoiadendron giganteum mórghiúis f2 dhúdach
giant squid Architeuthis (spp.) máthair f shúigh mhór
giant toad Bufo marinus ollbhuaf f2
giant tun Tonnidae (fine) tonna m4 mór
giant worm shell Vermetus gigas péistsliogán m1 mór
gillaroo Salmo trutta (var.) stomachicus giolla m4 rua
gill fungi [= agaric] Agaricales (ord) agairg f2
gipsy moth Lymantria dispar leamhan m1 giofógach
glasswort Salicornia europaea lus m3 na gloine
glaucous gull Larus hyperboreus faoileán m1 glas
glaucous sedge Carex flacca cíb f2 liathghorm
Glen of Imaal terrier Canis familiaris brocaire m4 Uí Mháil
globe artichoke Cynara scolymus bliosán m1 cruinn
glow-worm [= firefly] Lampyridae (fine) lampróg f2
gnat Culicidae (fine) corrmhíol m1 (míol m1 corr)
gnat (Fam.) [= biting midge] Ceratopogonidae (fine) míoltóg f2 ghéar
gnu Connachaetes (géineas) gnú m4
goat Capra hircus gabhar m1
goatís horn coralline Crisia cornuta coiréalach m1 adharcach
goatsucker [= nightjar] Caprimulgus europaeus tuirne m4 lín
goat willow (great sallow, pussy willow) Salix caprea sailchearnach f2
goby Gobiidae (fine) mac m1 siobháin (seamhróg f2)
godwit Limosa (spp.) guilbneach m1
goldcrest Regulus regulus cíorbhuí m4 (Diairmín m4, Diairmín riabhach, Diarmaidín m4 riabhach, dreoilín m4 ceannbhuí, dreoilín easpaig)
golden carpet shell Venerupis (géineas) breallach m1 croise órga
golden eagle Aquila chrysaëtos iolar m1 fíréan
golden-eye Bucephala clangula órshúileach m1
golden-eye (= stink-fly) Chrysopidea perla lásóg f2 órshúileach
golden hamster Mesocricetus auratus hamstar m1 buí
golden lion tamarin Leontopithecus rosalia tamairín m4 leonta órga
golden-mantled ground squirrel Citellus lateralis talamh-iora m4 órbhratach
golden oriole Oriolus oriolus óiréal m1 órga
golden pheasant Chrysolophus pictus piasún m1 órga
golden plover Pluvialis apricaria feadóg f2 bhuí (feadóg shléibhe)
golden retriever Canis familiaris aimseadóir m3 buí
goldenrod Solidago virgaurea slat f2 óir
golden-saxifrage [= opposite-leaved golden-saxifrage] Chrysosplenium oppositifolium glóiris f2
goldfinch Carduelis carduelis lasair f5 choille (coinnleoir m3 Muire)
goldfish Carassius auratus iasc m1 órga
goldilocks (goldilocks buttercup) Ranunculus auricomus gruaig f2 Mhuire
goldilocks buttercup [= goldilocks] Ranunculus auricomus gruaig f2 Mhuire
goldsinny Ctenolabrus rupestris bod m1 gorm
goosander Mergus merganser síolta f4 mhór
goose Anser (spp.) / Branta (spp.) f4
goose barnacle Lepas (géineas) giúrann m1
goosefoot Chenopodium (spp.) lus m3 coise gé
goosefoot starfish Anseropoda placenta crosóg f2 coise gé
goosegrass [= cleavers] Galium aparine garbhlus m3 (lus m3 garbh, uirlis f2 chríonna)
gorse (furze, whin) Ulex (spp.) aiteann m1
gorse (furze, whin) Ulex europaeus aiteann m1 gallda (aiteann francach)
gout-weed [= ground-elder] Aegopodium podagraria lus m3 an easpaig (lus an ghúta)
grampus [= killer whale] Orcinus orca cráin f5 dhubh (grampar m1)
Grantís zebra Equus burchellii boehmi séabra m4 Grant
grass emerald moth Pseudoterpna pruinata (subsp.) atropunctaria smaragaid f2 ghlas
grasshopper (cricket) Saltatoria (ord) dreoilín m4 teaspaigh (criogar m1 féir, crucaide m4 caoráin, míol m1 féir, píobaire m4 fraoigh, scadáinín m4 féir)
grasshopper warbler Locustella naevia ceolaire m4 casarnaí
grass-of-Parnassus Parnassia palustris fionnscoth f2
grass snake Natrix natrix nathair f5 fhéir
grayling Hipparcia semele donnóg f2 aille
grayling butterfly Eumenis semele glasán m1
great auk Pinguinus impennis falcóg f2 mhór
great bindweed [= hedge bindweed] Calystegia sepium ialus m3 mór
great black-backed gull Larus marinus droimneach m1 mór (cóbach m1)
great crab (edible crab) Cancer pagurus portán m1 dearg (portán rua)
great crested grebe Podiceps cristatus foitheach m1 mór (lúnadán m1)
Great Dane Canis familiaris danar m1 mór
great diving beetle Dytiscus marginalis tumadóir m3 mór
great eagle owl Bubo bubo rí-ulchabhán m1
greater birdís-foot-trefoil (large marsh birdís-foot-trefoil) Lotus uliginosus crobh m1 éin corraigh
greater bladderwort Utricularia vulgaris lus m3 an bhorraigh mór
greater burdock Arctium lappa leadán m1 liosta mór
greater celandine Chelidonium majus garra f4 bhuí
greater flying fox Pteropodidae (fine) ialtóg f2 mhór na meas
greater hill mynah Eulabes intermedia mórmhíona m4 sléibhe
great(er) horned owl Bubo virgianus mórulchabhán m1 cluasach
greater horseshoe bat Rhinolophus ferrumequinum crú-ialtóg f2 mhór
greater periwinkle Vinca / Catharanthus (géineas) fincín m4 mór
greater plantain Plantago major cuach m4 Phádraig (cruach f2 Phádraig)
greater plated lizard Gerrhosaurus major mórlaghairt f2 lannach
greater sea-spurrey (sea-spurrey) Spergularia media corrán m1 mara mór
greater spotted woodpecker (pied woodpecker) Dendrocopos major mórchnagaire m4 breac
greater stitchwort Stellaria holostea tursarraing f2 mhór (tuirseach m1)
greater sulphur-crested cockatoo Kakatoe galerita mórchocatú m4 ruibhchíorach
greater weever Trachinus draco goineadóir m3 mór
greater-spotted dogfish Scyliorhinus stellaris fíogach m1 mór (cailleach f2 bhreac, madra m4 mór)
great fen-sedge (saw sedge) Cladium mariscus sábhsheisc f2
great grey shrike Lanius excubitor mórscréachán m1 liath
great hairy willowherb [= great willowherb] Epilobium hirsutum saileachán m1 mór
great horsetail Equisetum telmateia eireaball m1 capaill mór
great Indian hornbill Buceros bicornis cornóg f2 mhór
great northern diver Gavia immer lóma m4 mór
great sallow [= goat willow] Salix caprea sailchearnach f2
great scallop (= edible scallop) Pecten maximus muirín m4 mór
great scented liverwort Conocephalum conicum aelus m3 cumhra
great silver water beetle Hydrous piceus gealdoirb f2 mhór
great skua Stercorarius skua meirleach m1 mór
great spearwort Ranunculus lingua glasair f5 léana mhór
great tit (great titmouse) Parus major meantán m1 mór
great titmouse [= great tit] Parus major meantán m1 mór
great willowherb (great hairy willowherb) Epilobium hirsutum saileachán m1 mór
great wood-rush Luzula sylvatica ollghiúnach m1
grebe Podiceps (spp.) foitheach m1
Greek strawberry tree (= eastern strawberry) Arbutus andrachne caithne f4 ghréagach
Greek tortoise Testudo graeca toirtís f2 Ghréagach
green alga, type of Cladophora (sp.) slobán m1
green alga, type of Enteromorpha (sp.) líneáil f3 ghorm
greenbottle-fly Lucilia (spp.) carrchuil f2 ghlas
green cardinal Gubnatrix cristata cairdinéal m1 glas
green crab [= common shore crab] Carcinus maenas portán m1 glas
greenfinch Chloris chloris (Carduelis chloris) glasán m1 darach
greenfly Aphididae (fine) cuil f2 ghlas (cuileog f2 ghlas)
green hairstreak butterfly Callophrys rubi stiallach m1 uaine
green lacewings Chrysopidae (fine) lásóg f2 ghlas
green laver [= sea-lettuce] Ulva lactuca glasán m1 (sleaidí m4)
green lizard Lacerta viridis laghairt f2 ghlas
green ormer Haliotis tuberculata cluas f2 mhara ghlas
green paddle-worm Phyllodoce (spp.) rámhach m1 glas
green pepper Capsicum (géineas) piobar m1 glas
green plover [= lapwing] Vanellus vanellus pilibín m4
green-ribbed sedge Carex binervis cíb f2 fhéithghlas
green sandpiper Tringa ochropus gobadán m1 glas
green seaweed Chlorophyceae (aicme) feamainn f2 ghlas
greenshank Tringa nebularia laidhrín m4 glas (ladhrán m1 glas)
green tiger beetle Cicindelidae (fine) ciaróg f2 thíograch uaine
green urchin Psammechinus miliaris cuán m1 mara glas
green-veined white butterfly Pieris napi bánóg f2 uaine
green-winged teal Anas crecca praslacha f5 ghlaseiteach
green woodpecker Picus viridis cnagaire m4 glas
grey alder Alnus incana fearnóg f2 liath
grey-cheeked thrush Catharus minimus smólach m1 glasleicneach
grey crow [= hooded crow] Corvus corone cornix caróg f2 liath (feannóg f2)
grey cushion moss Grimmia pulvinata ceapchaonach m1
grey gurnard Eutrigla gurnardus cnúdán m1 glas
grey hen [= black grouse] Lyrurus terix liathchearc f2
grey heron [= heron] Ardea cinerea corr f2 réisc (corr ghlas, corr mhóna, corr riasc, Máire f4 fhada, Síle f4 na bportach)
greyhound Canis familiaris m4
greylag goose Anser anser f4 ghlas
grey mould (of onion) Botrytis allii múscán m1 liath (oinniún)
grey mullet Crenimugil labrosus lannach m1 (glas) (milléad m1 glas)
grey phalarope Phalaropus fulicarius falaróp m1 gobmhór
grey plover Pluvialis squatatrola feadóg f2 ghlas
grey seal (Atlantic seal) Halichoerus grypus rón m1 glas
grey squirrel Sciurus carolinensis iora m4 glas
grey wagtail Motacilla cinerea glasóg f2 liath
grey whale Rhachianectes glaucus míol m1 mór glas
grey willow (common sallow, sally) Salix atrocinerea (subsp.) oleifolia saileach f2 choiteann
gribble Limnoria lignorum gribéal m1
grilse Salmo salar bláthán m1 (liathán m1, liathóg f2)
griselinia Cornaceae (fine) grisilinia f4
grivet guenon Cercopithecus aethiops gribhéad m1
grizzly bear Ursus horribilis ollbhéar m1 Meiriceánach
grooved razor Solenidae (fine) scian f2 mhara eitreach
grooved top shell Monodonta turbinata faochán m1 Mhuire eitreach
ground beetle Carabus (spp.) daol m1
ground-elder (bishopís weed, gout-weed) Aegopodium podagraria lus m3 an easpaig (lus an ghúta)
ground finch Fringillidae (fine) glasán m1 talaimh
ground hornbill Bucorvus leadbeateri cornóg f2 thalún
ground-ivy Glechoma hederacea athair f lusa (eidhneán m1 talún)
groundsel Senecio vulgaris grúnlas m1
grub of click beetle (wireworm) Elater (spp.) caoch f2 rua (péist f2 rua)
guanaco Lama guanicoe guanácó m4
gudgeon Gobio gobio brannóg f2 (guistiún m1)
guelder-rose Viburnum opulus caor f2 chon
guillemot Uria aalge foracha f5 (éan m1 aille)
guinea hen Numididae (fine) cearc f2 ghuine
guinea-pig Cavia cobaya muc f2 ghuine
gull Larus (spp.) faoileán m1
gunnel [= butterfish] Pholis gunnellus sleamhnóg f2 (malrach m1 Cháit, searróg f2)
gurnard Triglidae (fine) cnúdán m1

Barr

haddock Melanogrammus aeglefinus cadóg f2
hag-fish (borer) Myxine glutinosa cailleach f2
hair moss Polytrichum (spp.) foltchaonach m1
hair-worm (horse-hair worm) Gordius (spp.) péist f2 ribeach
hairy-armed bat [= Leislerís bat] Nyctalus leisleri ialtóg f2 Leisler
hairy birch (downy birch) Betula pubescens beith f2 chlúmhach
hairy bitter-cress Cardamine hirsuta searbh-bhiolar m1 giobach
hairy-brome Bromus ramosus brómas m1 giobach
hairy caterpillar (Fam.) Lepidoptera (ord) (Fam.) speig f2 neanta (Dónall m1 an chlúimh, Máirín f an chlúimh, Siobháinín f4 an chlúimh, sprid f2 neanta)
hairy hawker Odonata (ord) seabhcaí m4 clúmhach
hairy porcelain crab (= broad-clawed porcelain crab) Porcellana platycheles / Porcellana pilumna portán m1 poircealláin clúmhach
hairy sedge Carex hirta cíb f2 ghiobach
hairy tare Vicia hirsuta peasair f2 arbhair
hake Merluccius merluccius colmóir m3
halibut Hippoglossus hippoglossus haileabó m4 (alabard m1, bóleatha f4, bóleathóg f2, bóleith f2, leathóg f2 Mhuire)
hamster Cricetini (treibh) hamstar m1
harbour crab [= common shore crab] Carcinus maenas portán m1 glas
harbour seal [= common seal] Phoca vitulina rón m1 beag
hard coral [= coral] Madreporaria (ord) coiréalach m1
hard fern Blechum spicant raithneach f2 chrua
hard rush Juncus inflexus luachair f3 chrua
hard shield-fern Polystichum aculeatum ibheag f2 chrua
hare Lepus (spp.) giorria m4
hare (Irish hare) Lepus timidus hibernicus giorria m4
harebell (Scottish bluebell) Campanula rotundifolia méaracán m1 gorm
hareís-tail cottongrass Eriophorum vaginatum ceannbhán m1 gaelach
harrier Circus (spp.) cromán m1
hartebeest Alcelaphus buselaphus hartaibéist f2
hartís-tongue Phyllitis scolopendrium creamh m3 na muice fia (teanga f4 fia, teanga mhadra rua)
Hartlaubís turaco Tauraco hartlaubi túracó m4 Hartlaub
harvest bug [= harvest mite] Otonyssus autumnalis míol m1 fómhair
harvestman Opiliones (ord) Pilib m4 an fhómhair
harvest mite (harvest bug) Otonyssus autumnalis míol m1 fómhair
harvest mouse Micromys minutus luch f2 fhómhair
hatchet fish Gasteropelecidae (fine) iasc m1 na tua
hawfinch Coccothraustes coccothraustes glasán m1 gobmhór
hawk Falconiformes (ord) seabhac m1
hawkbit [= autumn hawkbit] Leontodon autumnalis fiacail f2 leoin
hawk moth Sphingidae (fine) conach m1 (seabhacleamhan m1)
hawksbill turtle Eretmochelys imbricata turtar m1 frithghobach
hawkweed Hieracium (spp.) lus m3 na seabhac
hawthorn Crataegus monogyna sceach f2 gheal
hazel Corylus avellana coll m1
head louse Pediculus humanus capitis treaghdán m1 (babhdaí m4, babhdán m1, búdaí m4)
heart and dart moth Agrotis exclamationis croí-is-dairt m4
heartsease [= field pansy] Viola arvensis lus m3 croí
heath bedstraw Galium saxatile luibh f2 na bhfear gonta (lus m3 na bhfear beag, madar m1 fraoigh)
heather (ling, Scotch heather) Calluna vulgaris fraoch m1 coiteann
heath fritillary butterfly Melitaea athalia fritileán m1 fraoigh
heath-grass Sieglingia decumbens féar m1 caoráin
heath milkwort Polygala serpyllifolia na deirfiúiríní fpl
heath rush Juncus squarrosus luachair f3 chaoráin
heath speedwell (common speedwell) Veronica officinalis lus m3 cré coiteann
heath spotted-orchid Dactylorhiza maculata nuacht f3 bhallach an chaoráin (cailleach f2 bhreac, cearc f2 bhreac, circín m4)
heath wood-rush Luzula multiflora giúnach m1 caoráin
hedge bindweed (great bindweed) Calystegia sepium ialus m3 mór
hedgehog Erinaceus europaeus gráinneog f2
hedge mustard Sisymbrium officinale lus m3 an óir
hedge sparrow (dunnock) Prunella modularis donnóg f2 (bráthair m an dreoilín, gealbhan m1 bruaigh, gealbhan claí)
hedge woundwort Stachys sylvatica créachtlus m3 fáil
hemlock Conium maculatum moing f2 mhear
hemlock water-dropwort Oenanthe crocata tréanlus m3 braonach
hemp-agrimony Eupatorium cannabinum scothóg f2 Mhuire (cnáib f2 uisce)
hen blackbird Turdus merula céirseach f2
hen harrier Circus cyaneus cromán m1 na gcearc (préachán m na gcearc)
Henry starfish Henricia oculata crosóg f2 Anraí
herb Robert Geranium robertianum ruithéal m1
Hermannís tortoise Testudo hermanni toirtís f2 Hermann
heron (grey heron) Ardea cinerea corr f2 réisc (corr ghlas, corr mhóna, corr riasc, Máire f4 fhada, Síle f4 na bportach)
herring Clupea harengus scadán m1
herring gull Larus argentatus faoileán m1 scadán
hide beetle Dermestes (spp.) ciaróg f2 sheithe
Himalayan black bear Selanarctos thibetanus béar m1 dubh Himiléach
hippopotamus Hippopotamus amphibius dobhareach m1
hoary rock-rose Helianthemum canum rós m1 carraige
hobby Falco subbuteo fabhcún m1 coille
hogweed Heracleum sphondylium feabhrán m1
Hokusai Prunus (spp.) Hokusai m
holly Ilex aquifolium cuileann m1
holly blue butterfly Celastrina argiolus gormán m1 cuilinn
holm oak [= evergreen oak] Quercus ilex dair f5 thoilm
homelyn [= spotted ray] Raja montagui roc m1 mín (rotha f4 mhín, scíte f4 bhallánach)
honey bee Apis mellifera beach f2 mheala
honeycomb worm Sabellaria alveolata péist f2 mhilteogach
honeysuckle (woodbine) Lonicera periclymenum féithleann m1 (táthfhéithleann)
hooded crow (grey crow, scald crow) Corvus corone cornix caróg f2 liath (feannóg f2)
hookworm Ancylostomidae (fine) péist f2 chrúcach
hoopoe Upupa epops húpú m4
horned beetle (stag beetle) Lucanus cervus daol m1 adharcach
hornet Vespa crabro cornfhoiche f4
hornet (Fam) [= sawfly] Urocerus (spp.) sábhcuil f2
horn wrack Flustra foliacea teanga f4 chait
horse biting louse Trichodectes equi míol m1 capaill
horse-chestnut Aesculus hippocastanum crann m1 cnó capaill
horse-fly (gad-fly) Tabanidae (fine) creabhar m1 capaill (beach f2 chapaill, dochtúir m3)
horse-hair worm [= hair-worm] Gordius (spp.) péist f2 ribeach
horse itch mite Sarcoptes equi fíneog f2 thochais chapaill
horse leech Haemopis sanguisuga súmaire m4 capaill
horse mackerel [= scad] Trachurus trachurus bolmán m1 (gabhar m1, scadán m1 carraige)
horse mange mite Demodex equi fíneog f2 chlaimhe chapaill
horseshoe snake Coluber hippocrepis crú-nathair f5
horsetail Equisetum (spp.) eireaball m1 capaill
horseshoe snake Coluber hippocrepis crú-nathair f5
horsetail Equisetum (spp.) eireaball m1 capaill
horse winkle [= purple shell] Nucella lapillus cuachma f4 chon (faocha f5 chapaill, faocha choirn)
Hottentot teal Anas punctata praslacha f5 Hotantatach
house cricket Acheta domesticus criogar m1 (cailleach f2 na luatha, camán m1 luatha, cromán m1 luatha, píobaire m4 an teallaigh, píobaire gríosaí)
house crow Corvus splendens préachán m1 binne
house martin Delichon urbica gabhlán m1 binne
house mouse Mus musculus luch f2 thí
house sparrow Passer domesticus gealbhan m1 binne (gealbhan sciobóil, gealbhan tí)
house spider Tegenaria (spp.) damhán m1
house-fly Musca domestica cuil f2
hover-fly Syrphidae (fine) beach f2 ghabhair
huckleberry [= blueberry] Vaccinium pennsylvanicum tom m1 fraochán gorm
human flea Pulex irritans dreancaid f2 (duine)
human louse Pediculus humanus míol m1 (duine)
Humboldt penguin Spheniscus humboldti piongain f2 Pheiriúch
Humboldtís woolly monkey Lagothrix lagothricha moncaí m4 lomrach Humboldt
humming-bird hawk moth Macroglossum stellatarum conach m1 foluana
hunting dog Canis familiaris gadhar m1 (fiaigh, seilge)
husky Canis familiaris huscaí m4
hyacinth macaw Aodorhynchus hyacinthinus macá m4 búch
hydra Hydra (spp.) hiodra m4
hydrobia snail (spire snail) Hydrobiidae (fine) seilide m4 hidribiach
hydroid [= sea-fir] Abietinaria abietina giúis f2 mhara
Hymeniacidon sanguinea Hymeniacidon sanguinea Hymeniacidon sanguinea
ichneumon fly Ichneumonidae (fine) cuil f2 icneomónach

Barr

icterine warbler Hippolais icterina ceolaire m4 ictireach
Ilex argentea marginata Ilex argentea marginata Ilex argentea marginata
Ilex aurea marginata Ilex aurea marginata Ilex aurea marginata
impala Aepyceros melampus iompála m4
Indian blackbuck Antilope cervicapra dúbhoc m1 Indiach
Indian elephant Elephas maximus eilifint f2 Indiach
Indian gerbil Tatera indica geirbil f2 Indiach
Indian python Python molurus píotón m1 Indiach
Indian ring-necked parakeet Psittacula krameri manillensis pearaicít f2 mhuinceach Indiach
indigo snake Drymarchon cordis coreperi nathair f5 phúirineach
inflated scale moss Gymnocolea inflata ae m4 gainneach bolgach
intermediate bladderwort (Irish bladderwort) Utricularia intermedia lus m3 an bhorraigh gaelach
Irish bladderwort [= intermediate bladderwort] Utricularia intermedia lus m3 an bhorraigh gaelach
Irish blue terrier [= Kerry blue terrier] Canis familiaris brocaire m4 gorm
Irish hare [= hare] Lepus timidus hibernicus giorria m4
Irish setter Canis familiaris sotar m1 rua
Irish spurge Euphorbia hyberna bainne m4 caoin (bainne léana, buí m4 na mbáb, buí na n-iníon)
Irish terrier Canis familiaris madra m4 gearr
Irish water spaniel Canis familiaris spáinnéar m1 uisce
Irish wheaten terrier [= soft-coated wheaten terrier] Canis familiaris brocaire m4 buí
Irish wolfhound Canis familiaris m4 faoil
Irish yew (Florence Court yew) Taxus baccata (var.) fastigiata iúr m1 Éireannach
iroko Chlorophora excelsa iorócó m4
iron prominent moth Notodonta dromedarius starraicín m4 iarainn
Italian poplar (black Italian poplar) Populus × canadensis (P. serotina) poibleog f2 Iodálach
Italian rye-grass Lolium multiflorum seagalach f2 Iodálach
itch mite Sarcoptes scabiei míolcheard f2
ivy Hedera helix eidhneán m1
ivy broomrape Orobanche hederae múchóg f2 mhór
ivy-leaved toadflax Cymbalaria muralis buaflíon m1 eidhneánach

Barr

Jack-by-the-hedge [= garlic mustard] Alliaria petiolata bóchoinneal f2
jackdaw Corvus monedula cág ml
Jack sail by the wind (= by-the-wind sailor) Velella spirans smugairle m4 na gaoithe
jack snipe Lymnocryptes minimus naoscach f2 bhídeach
jaguar Panthera onca iaguar m1
Japanese larch Larix leptolepis learóg f2 Sheapánach
Japanese quail Coturnix c. japonica gearg f2 Sheapánach
Japanese tosa Canis familiaris tósa m4 Seapánach
Java sparrow Padda gealbhan m1 Iávach
jay Garrulus glandarius scréachóg f2 (scréachóg choille)
jellyfish Scyphozoa (aicme) smugairle m4 róin (sceith f2 róin)
jelly fungus Tremella (spp.) glóthfhungas m1
John Dory Zeus faber deoraí m4 (Donncha m4 na súl mór)
jointed rush Juncus articulatus gabhal-luachair f3 (fiastalach m1)
jumping bug Saldidae (fine) fríd f2 léime
juniper Juniperus communis aiteal m1

Barr

kalong Pteropus vampyrus calang m4
kangaroo rat Dipodomys (géineas) cangarú m4 francaigh
keel worm Pomatocerus triqueter cílphéist f2
kelp-fly Coelopidae (fine) ceilpeadóir m3
Kentish plover Charadrius alexandrinus feadóigín f4 chosdubh
Kerry beagle Canis familiaris pocadán m1
Kerry blue terrier (Irish blue terrier) Canis familiaris brocaire m4 gorm
kestrel Falco tinnunculus pocaire m4 gaoithe (bod m1 gaoithe, bodaire m4 gaoithe, seabhac m1 buí)
kidney vetch Anthyllis vulneraria méara fpl Muire
killer whale (grampus) Orcinus orca cráin f5 dhubh (grampar m1)
kingfisher Alcedo atthis cruidín m4 (murlach m1 mara)
king penguin Aptenodytes patagonica rí-phiongain f2
king snake Lampropeltis getulis rí-nathair f5
king vulture Sarcoramphus papa ríbhultúr m1
kinkajou Potas flavus cinceasú m4
kittiwake Rissa tridactyla saidhbhéar m1
kiwi Apterygidae (fine) cíobhaí m4
kiwi (= Chinese gooseberry) Actinidia chinensis planda m4 cíobhaíonna
knot Calidris canutus cnota m4
knotgrass Polygonum aviculare glúineach f2 bheag
knotted pearlwort Sagina nodosa lus m3 na bpéarlaí nódach
knotted wrack Ascophyllum nodosum feamainn f2 bhuí
Komodo dragon (= Komodo lizard) Varanus komodoensis dragan m1 Chomódó
Komodo lizard (= Komodo dragon) Varanus komodoensis dragan m1 Chomódó
kookaburra Dacelo gigas cúcabarra m4

Barr

labrador Canis familiaris labradór m1
lac insect Laccifer lacca feithid f2 leaice
lacewing (fly) Planipennia (fo-ord) sciathán m1 lása
ladder-like liverwort Alicularia scalaris aelus m3 dréimreach
ladybird Coccinellidae (fine) bóín f4 Dé (bó f4 Dé, bó shamhraidh, bóín Mhac Dé, bóín shamhraidh, cearc f2 Mhuire, ciaróg f2 na mbeannacht)
lady-fern Athyrium filix-femina raithneach f2 Mhuire
ladyís bedstraw (yellow bedstraw) Galium verum m4 Mhuire
ladyís mantle Alchemilla vulgaris dearna f5 Mhuire (bratóg f2 Mhuire, fallaing f2 Mhuire)
ladyís-smock [= cuckooflower] Cardamine pratensis biolar m1 gréagáin (léine f4 Mhuire)
lampern [= river lamprey] Lampetra fluviatilis loimpre f4 abhann
lamprey Petromyzonidae (fine) loimpre f4 (péist f2 an dá shúil déag)
land hermit crab Coenobita clypeatus faocha f5 ghliomaigh thalún
land-rail [= corncrake] Crex crex traonach m1 (gearr m4 goirt, traona m4)
lantern fish Myctophidae (fine) iasc m1 laindéir
lapdog Canis familiaris measán m1
lapwing (green plover, peewit) Vanellus vanellus pilibín m4
larch Larix (spp.) learóg f2
larder beetle [= bacon beetle] Dermestes lardarius ciaróg f2 lardrúis
large emerald moth Geometra papilionaria smaragaid f2 mhór
large-flowered butterwort Pinguicula grandiflora sadhbhóg f2 shléibhe
large heath butterfly Coenonympha tullia fraochán m1 mór
large-leaved lime Tilia platyphyllos teile f4 mhórdhuilleach
large marsh birdís-foot-trefoil [= greater birdís-foot-trefoil] Lotus uliginosus crobh m1 éin corraigh
large marsh grasshopper Acrididae (fine) mórchrucaide m4 caoráin
large red damselfly Pyrrhosoma nymphula béchuil f2 dhearg mhór
large white butterfly Pieris brassicae bánóg f2 mhór
large yellow underwing moth Noctua pronuba fo-eite f4 bhuí mhór
lark Alaudidae (fine) fuiseog f2
larva of woodworm Anobium punctatum réadán m1
larva of warble fly Hypoderma (spp.) damhdhaol m1
laver (sloke) Porphyra (géineas) / Ulva (géineas) sleabhac m1 (sleabhcán m1)
Lawson cypress Chamaecyparis lawsoniana cufróg f2 Lawson
lax-flowered sea-lavender (sea-lavender) Limonium humile lus m3 liath na mara
Laysan teal Anas laysanensis praslacha f5 Laysan
Leachís petrel Oceanodroma leucorhoa guairdeall m1 gabhlach
Leadbetterís cockatoo Kakatoe leadbeateri cocatú m4 Leadbetter
leaf beetle Chrysomelidae (fine) ciaróg f2 dhuille
leaf hopper Cicadellidae (fine) lingire m4 duille
leaf insect Phasmida (ord) duillíneach m1
leaf miner Nepticuloidea (fine) mianadóir m3 duille
leafy liverwort Hepaticae (fíleam) aelus m3 duilleach
leather-jacket Tipulidae (fine) cóta m4 leathair
leech Hirudidae (fine) súmaire m4 (géaraide m4 goinide)
legionary ant (= army ant) Formicidae (fine) seangán m1 léigiúnach
Leislerís bat (hairy-armed bat) Nyctalus leisleri ialtóg f2 Leisler
lemon dab [= lemon sole] Microstomus kitt leathóg f2 mhín (leith f2 bhallánach, sól m1 sleamhain)
lemon sole (lemon dab) Microstomus kitt leathóg f2 mhín (leith f2 bhallánach, sól m1 sleamhain)
leopard Panthera pardus liopard m1
leopard shark Triakis semifasciata siorc m3 liopaird
leopard-spotted goby Thorogobius ephippiatus mac m1 siobháin ballach
lesser black-backed gull Larus fuscus droimneach m1 beag
lesser bladderwort Utricularia minor lus m3 an bhorraigh beag
lesser broomrape [= common broomrape] Orobanche minor múchóg f2 bheag
lesser burdock (burdock) Arctium minus leadán m1 liosta (cnádán m1, copóg f2 thuathail)
lesser butterfly-orchid Platanthera bifolia magairlín m4 beag féileacánach
lesser celandine Ranunculus ficaria grán m1 arcáin (aonscoth f3, lus m3 na gcnapán)
lesser crested tern Sterna bengalensis miongheabhróg f2 chíorach
lesser horseshoe bat Rhinolophus hipposideros crú-ialtóg f2 bheag
lesser pipefish (= Nilssonís pipefish) Syngnathus (géineas) snáthaid f2 mhara bheag
lesser pondweed Potamogeton pusillus duileasc m1 abhann caol
lesser redpoll Carduelis flammea cabaret (Acanthis flammea carbaret) deargéadan m1 beag
lesser rorqual (minke whale, pike whale) Balaenoptera acutorostrata droimeiteach m1 beag
lesser sand eel Ammodytes tobianus corr f2 ghainimh bheag
lesser sea-spurrey (sea-spurrey) Spergularia marina corrán m1 mara beag
lesser snow goose Anser caerulescens caerulescens mionghé f4 shneachta
lesser spearwort Ranunculus flammula glasair f5 léana bheag (glasair léana, lasair f5 léana)
lesser-spotted dogfish Scyliorhinus caniculus fíogach m1 beag (dallóg f2)
lesser spotted woodpecker Dendrocopos minor mionchnagaire m4 breac
lesser stitchwort Stellaria graminea tursarraing f2 bheag (tursarraingín m4)
lesser sulphur-crested cockatoo Kakatoe sulphurea mionchocatú m4 ruibhchíorach
lesser trefoil (shamrock, yellow clover) Trifolium dubium seamróg f2
lesser water boatman [= water boatman] Corixidae (fine) bádóir m3
lesser water-plantain Baldellia ranunculoides corrchopóg f2 bheag
lesser weever Trachinus vipera goineadóir m3 (deilgín m4 úcaire, iascán m1 an gha nimhe, maor m1 an éisc)
lesser white-fronted goose Anser erythropus mionghé f4 bhánéadanach
lesser whitethroat Sylvia curruca gilphíb f2 bheag
lesser yellow underwing moth Euschesis janthina fo-eite f4 bhuí bheag
lichen Lichenes (fíleam) léicean m1 (crotal m1, duilleascar m1, duilleascar na gcloch, lus m3 liag, scraith f2 chloch)
lime Tilia (spp.) teile f4
limpet Patellidae (fine) bairneach m1
ling Molva molva langa m4 (bod m1 mór)
ling [= heather] Calluna vulgaris fraoch m1 coiteann
linnet Carduelis cannabina gleoiseach m1 (coinnleoir m3 óir, glasán m1 lín)
lion Panthera leo leon m1
lion-tailed monkey Macaca silenus moncaí m4 leonearrach
little bittern Ixobrychus minutus bonnán m1 beag
little grebe (dabchick) Podiceps ruficollis spágaire m4 tonn (lapairín m4 locha)
little octopus (= curled octopus) Eledone cirrhosa ochtapas m1 beag
little owl Athene noctua ulchabhán m1 beag
little ringed plover Charadrius dubius feadóigín f4 chladaigh
little tern Sterna albifrons geabhróg f2 bheag
little tunny (= albacore) Euthymnus alletteratus tuinnín m4 bán
liver fluke Fasciola hepatica leith f2 uisce (puchán m1 ae)
liverwort Hepaticae (fíleam) aelus m3
Livingstoneís turaco Tauraco Livingstonii túracó m4 Livingstone
lizard Lacertidae (fine) laghairt f2
llama Lama glama láma m4
loach Noemacheilus barbatulus cailleach f2 rua
lobster Homarus gammarus gliomach m1
lob-worm [= lug-worm] Arenicola marina lugach m1 (luga m4)
locust Locusta migratoria lócaiste m4
lodgepole pine (shore pine) Pinus contorta péine m4 contórtach
Lombardy poplar Populus nigra (var.) italica poibleog f2 Lombardach
Lomentaria articulata Lomentaria articulata Lomentaria articulata
London plane Platanus acerifolia plána m4 Londan
long-eared bat Plecotus auritus ialtóg f2 chluasach
long-eared owl Asio otus ceann m1 cait
long-headed poppy Papaver dubium poipín m4 fadchochallach
longhorn beetle Cerambycidae (fine) ciaróg f2 fhadadharcach
long rough dab Hippoglossoides platessoides daba m4 gorm
long-stalked yellow sedge Carex lepidocarpa cíb f2 bhuí mhór
long-tailed field mouse (wood mouse) Apodemus sylvaticus luch f2 fhéir
long-tailed skua Stercorarius longicaudus meirleach m1 earrfhada
long-tailed tit (long-tailed titmouse) Aegithalos caudatus meantán m1 earrfhada (meantán fada)
long-tailed titmouse [= long-tailed tit] Aegithalos caudatus meantán m1 earrfhada (meantán fada)
lords-and-ladies (cuckoo pint) Arum maculatum cluas f2 chaoin (bod m1 gadhair)
louse Phthiraptera (ollord) míol m1 (sor m1)
lousewort Pedicularis sylvatica lus m3 an ghiolla
lousy watchman [= dor beetle] Geotrupes stercorarius cloigín m4
lowland gorilla Gorilla g. gorilla goraille m4 ísealchríche
lucerne (alfalfa) Medicago sativa alfalfa m4
lug-worm (lob-worm) Arenicola marina lugach m1 (luga m4)
lumpsucker Cyclopterus lumpus léasán m1 leice
lungfish Dipnoi (fo-aicme) iasc m1 scamhógach
lyme grass Leymus arenarius taitheán m1
lynx Felis lynx lincse f4

Barr

macaroni penguin Eudyptes chrysolophus piongain f2 mhacarónach
Mackayís heath Erica mackaiana fraoch m1 Mhic Aoidh
mackerel Scomber scombrus ronnach m1 (maicréal m1, murlas m1)
Madeiran soft-plumaged petrel Pterodroma madeira peadairín m4 clúmhach Maidéarach
Magnolia campbelli Magnolia campbelli Magnolia campbelli
Magnolia grandiflora Magnolia grandiflora Magnolia grandiflora
Magnolia highdownensis Magnolia highdownensis Magnolia highdownensis
Magnolia stellata Magnolia stellata Magnolia stellata
Magnolia x loebneri "Merrill" Magnolia x loebneri "Merrill" Magnolia x loebneri "Merrill"
Magnolia x soulangeana "Alba" Magnolia x soulangeana "Alba" Magnolia x soulangeana "Alba"
magpie Pica pica snag m3 breac (meaig f2, míogadán m1 breac)
magpie moth Abraxas grossulariata breacóg f2
maidenhair fern Adiantum capillus-veneris dúchosach f2
maidenhair spleenwort Asplenium trichomanes fionncha m4 dúchosach
maiden's hair Ectocarpus siliculosus folt m1
Malayan giant squirrel Ratufa bicolor olliora m4 Malaech
male-fern Dryopteris filix-mas raithneach f2 mhadra (marcraithneach)
male seal Phocidae (fine) tarbh m1 róin
mallard Anas platyrhynchos mallard m1
mammoth Mammuthus primigenius mamat m1
mandarin duck Aix galericulata lacha f5 mhandrach
mandrill Mandrillus mormon maindrill f2
maned goose Chenonetta jubata f4 mhongach
Manilla clam (= palourde) Tapes semi-decussata breallach m1 leathchroise
mantis Mantidae (fine) maintis f2
Manx shearwater Puffinus puffinus cánóg f2 dhubh
map lichen Rhizocarpon geographicum mapán m1 na gcloch
marabou stork Leopoptilos crumeniferus marabú m4
marbled teal Anas angustirostris praslacha f5 mharmarach
mareís-tail Hippuris vulgaris colgrach f2
marine alga (seaweed) Algae (fíleam) feamainn f2 (feamnach f2)
marjoram Origanum vulgare oragán m1
marmoset monkey Callithrix jacchus moncaí m4 marmaisíneach
marmot Marmota (sp.) marmat m1
marram (sea-bent) Ammophila arenaria muiríneach f2
marsh-arrowgrass Triglochin palustris barr m1 an mhilltigh
marsh-bedstraw [= common marsh-bedstraw] Galium palustre m4 corraigh
marsh cinquefoil Potentilla palustris cnó m4 léana (cúigmhéarach m1 corraigh)
marsh cudweed Gnaphalium uliginosum cáithluibh f2 chorraigh
marsh fritillary butterfly Euphydryas aurinia fritileán m1 réisc
marsh harrier Circus aeruginosus cromán m1 móna
marsh hawkís-beard Crepis paludosa lus m3 corraigh
marsh lousewort (red rattle) Pedicularis palustris milseán m1 móna
marsh-marigold Caltha palustris lus m3 buí Bealtaine
marsh pennywort Hydrocotyle vulgaris lus m3 na pingine
marsh ragwort Senecio aquaticus buachalán m1 corraigh
marsh thistle Cirsium palustre feochadán m1 corraigh
marsh tit (marsh titmouse) Parus palustris meantán m1 lathaí
marsh titmouse [= marsh tit] Parus palustris meantán m1 lathaí
marsh violet Viola palustris sailchuach f2 chorraigh
marsh willowherb Epilobium palustre saileachán m1 corraigh (créachtach m1 criathraigh)
marsh woundwort (clownís all-heal) Stachys palustris cabhsadán m1 (duilleog f2 na saor)
martin Hirundinidae (fine) gabhlán m1
Martinís spot-nosed monkey Cercopithecus nictitans martini moncaí m4 sceadsrónach an Mháirtínigh
masked lovebird Agapornis personata éan m1 suirí masctha
masked weaver Ploceus intermedius fíodóir m3 masctha
mastiff Canis familiaris maistín m4
Mastocarpus stellatus Mastocarpus stellatus Mastocarpus stellatus
matchstick lichen Cladonia macilenta caipín m4 dearg
mat-grass Nardus stricta fiteog f2
mature winged beetle Coleoptera (ord) ciaróg f2 sciathánach lánfhásta
maybug [= cockchafer] Melolontha (sp.) cearnamhán m1
mayfly Ephemeroptera (ord) cuil f2 Bhealtaine
meadow brown butterfly Maniola jurtina donnóg f2 fhéir
meadow buttercup (common buttercup) Ranunculus acris fearbán m1 léana (fearbán féir, gairgín m4)
meadow fescue Festuca pratensis feisciú m4 móinéir
meadow foxtail Alopecurus pratensis scuabóg f2 shionnaigh léana
meadow-grass Poa (spp.) cuise m4
meadow-pipit Anthus pratensis riabhóg f2 mhóna (banaltra f4 na cuaiche, fuiseog f2 mhóna, riabhóg bheag)
meadowsweet Filipendula ulmaria airgead m1 luachra
meadow vetchling Lathyrus pratensis peasairín m4 buí (piseánach m1 buí)
mealy bug Coccoidea (ollfhine) fríd f2 phlúrach
mealy redpoll [= common redpoll] Carduelis flammea flammea (Acanthis flammea flammea) deargéadan m1 coiteann
medicinal leech Hirudo medicinalis súmaire m4 fola
meerkat Herpestidae (fine) míorchat m1
megrim Lepidorhombus whiffiagonis scoilteán m1 (sciolltán m1)
merlin Falco columbarius meirliún m1
mermaidís hair Desmarestia aculeata gruagach m1
mermaidís veil Retepora beaniana caille f4 mhara
midge (non-biting) Chironomidae (fine) míoltóg f2
midland painted turtle Chrysemys picta marginata turtar m1 dathannach lárnach
midwife toad (= obstetrical toad) Alytes obstetricans buaf f2 chnáimhsí
mildew (on peas, etc) Erysiphe polygoni coincleach f2 (phiseanna, etc.)
milkweed butterfly (monarch butterfly) Danaus plexippus bleachtfhéileacán m1
millipede Diplopoda (ord) mílechosach m1
minke whale [= lesser rorqual] Balaenoptera acutorostrata droimeiteach m1 beag
minnow (pinkeen) Phoxinus phoxinus bodairlín m4 (bricín m4, geasán m1, líbín m4, pincín m4)
mint Mentha (spp.) mismín m4 (miontas m1)
Mississippi alligator Alligator mississippiensis ailigéadar m1 Misisípeach
mistle thrush Turdus viscivorus liatráisc f2 (smólach m1 mór)
mite Acari (ord) fíneog f2
mole Talpa europaea caochán m1 (caoch m1 láibe, talpa m4)
mole rat Bathyergidae (fine) caochfhrancach m1
mona monkey Cercopithecus mona moncaí m4 mónach
monarch butterfly [= milkweed butterfly] Danaus plexippus bleachtfhéileacán m1
moneywort [= creeping-jenny] Lysimachia nummularia lus m3 an dá phingin
monkey-puzzle Araucaria araucana arócar m1
monkfish (angel fish) Squatina squatina bráthair m
monkfish [= angler] Lophius piscatorius láimhíneach m1 (anglá m4, anglait f2, deilgín m4 deamhain)
monk's-hood (= aconite) Aconitum (géineas) dáthabha m4 (dubh)
monotreme Monotremata (ord) monaitréimeach m1
Montaguís harrier Circus pygargus cromán m1 liath
montbretia Crocosmia crocosmiflora feileastram m1 dearg
moorhen [= waterhen] Gallinula chloropus cearc f2 uisce
moose Alces americana mús m1
morel Morchella esculenta morchal m1
mosquito Culex (spp.) muiscít f2
mossy saxifrage Saxifraga hypnoides mionán m1 caonaigh
moth Lepidoptera (ord) leamhan m1 (féileacán m1 oíche)
mountain ash [= rowan] Sorbus aucuparia caorthann m1 (cárthann m1)
mountain avens Dryas octopetala féasóg f2 na lao
mountain cudweed [= mountain everlasting] Antennaria dioica catluibh f2
mountain everlasting (mountain cudweed) Antennaria dioica catluibh f2
mountain linnet [= twite] Carduelis flavirostris (Acanthis flavirostris) gleoiseach m1 sléibhe
mouse Muridae (fine) luch f2 (luchóg f2)
mouse-ear (mouse-ear chickweed) Cerastium (spp.) cluas f2 luchóige
mouse-ear chickweed [= mouse-ear] Cerastium (spp.) cluas f2 luchóige
mouse-ear hawkweed Hieracium pilosella (Pilosella vulgaris) searbhán m1 muc
mouse flea Leptopsylla segnis dreancaid f2 luiche
mouse-tailed bat Rhinopoma (géineas) ialtóg f2 luchearrach
mud turtle Kinosternon turtar m1 láibe
mugwort Artemisia vulgaris liathlus m3 (mongach m1 meisce)
murlins Alaria esculenta láracha fpl (láir f5 bhán, sraoilleach f2)
muscovy duck Cairina moschata musclacha f5
museum beetle Anthrenus museorum ciaróg f2 iarsmalainne
musk beetle Aromia moschata musc-chiaróg f2
muskrat Ondatra zibethica muscfhrancach m1
mute swan Cygnus olor eala f4 bhalbh

Barr

naked-throated bellbird Procnias nudicollis clingéan m1 píbnocht
narrow-leaved plantain [= ribwort plantain] Plantago lanceolata slánlus m3
narwhal Monodon monoceros narbhal m1
Nattererís bat Myotis nattereri ialtóg f2 Natterer
natterjack [= natterjack toad] Bufo calamita cnádán m1
natterjack toad (natterjack) Bufo calamita cnádán m1
navelwort (wall pennywort) Umbilicus rupestris cornán m1 caisil (arán m1 glas, cornán leacáin)
nemertine worm [= ribbon worm] Nemertina (fíleam) péist f2 neimirtíneach
New Zealand scaup Aythya novaeseelandiae lacha f5 iascán Nua-Shéalannach
Nicobar pigeon Caloenas nicobarica colm m1 Niceabrach
nightingale Luscinia megarhynchos filiméala m4
nightjar (goatsucker) Caprimulgus europaeus tuirne m4 lín
Nile crocodile Crocodylus niloticus crogall m1 Níleach
Nile monitor Varanus niloticus monatóir m3 Níleach
Nilsson's pipefish (= lesser pipefish) Syngnathus (géineas) snáthaid f2 mhara bheag
nipplewort Lapsana communis duilleog f2 Bhríde (duilleog mhaith)
nit Pediculus humanus sniodh f
North African ostrich Struthio camelus ostrais f2 Thua-Afracach
North American pronghorn Antilocapra americana biorbheannach m1 Mheiriceá Thuaidh
northern eggar moth Lasiocampa quercus (subsp.) callunae ubhóg f3 thuaisceartach
northern lynx Felis lynx lincse f4 thuaisceartach
Norway haddock (= ocean perch, redfish, rosefish) Sebastes marinus péirse f4 mhara
Norway spruce Picea abies sprús m1 Lochlannach
Norwegian elkhound (= elkhound) Canis familiaris cearbhchú m4 Ioruach
nuthatch Sitta europaea cnóshnag m3
nutmeg Myristica fragrans crann m1 noitmigí

Barr

oak Quercus (spp.) dair f5
oak fungus Polyporus sulphureus leathar m1 darach
oarweed [= strap wrack] Laminaria cloustoni leathach f2
oarweed [= strap wrack] Laminaria digitata coirleach f2 (ribíní mpl)
obstetrical toad (= midwife toad) Alytes obstetricans buaf f2 chnáimhsí
occipital blue pie Urocissa melanocephala occipitalis gorm-mheaig f2 chúldubh
ocean perch (= Norway haddock, redfish, rosefish) Sebastes marinus péirse f4 mhara
Ochroelchia parella Ochroelchia parella Ochroelchia parella
octopus Octopoda (ord) ochtapas (láimhíneach m1, láir f5 bhán)
old English sheepdog Canis familiaris sípéir m3 gallda
old manís beard [= travellerís-joy] Clematis vitalba gabhrán m1
onion mildew Peronospora destructor coincleach f2 oinniún
opium poppy Papaver somniferum codlaidín m4
opposite-leaved golden-saxifrage (golden-saxifrage) Chrysosplenium oppositifolium glóiris f2
orache Atriplex (spp.) eilifleog f2
orange leafy lichen Xanthoria (sp.) léicean m1 duilleach flannbhuí
orange lichen Caloplaca (sp.) léicean m1 flannbhuí
orange-tip butterfly Euchloe cardamines barr m1 buí
orange weaver Pyromelana franciscana fíodóir m3 flannbhuí
orang-utan Pongo pygmaeus órang-útan m1
oriental small-clawed otter Amblonyx cinerea dobhrán m1 beag-ingneach oirthearach
oriental white-eye Zosterops palpebrosa bánsúileach m1 oirthearach
ormer (= abalone) Discus hannai / Haliotis tuberculata cluas f2 mhara
osier Salix viminalis saileánach f2
osprey (fish-hawk) Pandion haliaetus coirneach m1 (iascaire m4 coirneach, ospróg f2)
otter Lutra lutra madra m4 uisce (cú m4 dobhráin, dobharchú m4, dobhrán m1)
oval sedge Carex ovalis cíb f2 mhaol
owl Strigidae (fine) ulchabhán m1 (cailleach f2 oíche)
oxeye daisy Leucanthemum vulgare (Chrysanthemum leucanthemum) nóinín m4 mór (easpag m1 speatháin, easpagán m1)
Oxford ragwort Senecio squalidus buachalán m1 Oxford
oyster Ostrea edulis oisre m4
oyster-catcher Haematopus ostralegus roilleach m1

Barr

Pacific oyster Crassostrea gigas oisre m4 an Aigéin Chiúin
paddle-worm Phyllodoce (spp.) rámhach m1
painted goby Pomatoschistus pictus mac m1 siobháin dathannach
painted lady butterfly Vanessa cardui áilleán m1
painted turtle Chrysemys picta turtar m1 dathannach
pale-breasted brent goose Branta bernicla hrota cadhan m1
pale clouded yellow butterfly Colias hyale buíóg f2 liath
palm squirrel Funambulus palmarum iora m4 pailme
palourde (= Manilla clam) Tapes semi-decussata breallach m1 leathchroise
panda Ailurus fulgens panda m4
pangolin Pholidota (ord) pangailin f2
pansy (= universal pansy) Viola (géineas) goirmín m4
paradise shelduck Tadorna variegata seil-lacha f5 Nua-Shéalannach
paradise whydah Steganura paradisea víoda m4 parthais
parasitic wasp Apocrita (fo-ord) (parasitica) foiche f4 sheadánach
parsley-piert Aphanes arvensis mionán m1 Muire
partridge Perdix perdix patraisc f2
passenger pigeon Ectopistes migratorius colm m1 imirce
Patagonian crested duck Lophonetta s. specularioides cíorlacha f5 Phatagónach
patas monkey Erythrocebus patas moncaí m4 patach
peach blossom moth Thyatira batis péitseog f2
peacock butterfly Nymphalis io péacóg f2
pearl-bordered fritillary butterfly Argynnis euphrosyne fritileán m1 péarlach
pearlwort Sagina (spp.) lus m3 na bpéarlaí (ioth m3 sléibhe)
Pechora pipit Anthus gustavi riabhóg f2 Pechora
pedunculate oak Quercus robur dair f5 choiteann
peewit [= lapwing] Vanellus vanellus pilibín m4
pekinese Canis familiaris péicíneach m1
pelargonium Pelargonium (géineas) peileargóiniam
penicillin mould [= blue mould] Penicillium (spp.) múscán m1 gorm (caonach m1 liath, clúmh m1 liath, snas m3 liath)
pen shell (= fan mussel) Pinna fragilis cleiteog f2
pepper dulse Laurencia pinnatifida míobhán m1 (uisce m4 beatha)
peppered moth Biston betularia brocóg f2
perch Perca fluviatilis péirse f4 (paidhleach m1)
peregrine falcon Falco peregrinus fabhcún m1 gorm (seabhac m1 gorm, seabhac seilge)
perennial rye-grass Lolium perenne seagalach f2 ilbhliantúil
perennial sow-thistle (corn sow-thistle, field sow-thistle) Sonchus arvensis bleachtán m1 léana
periwinkle (Fam.) [= winkle] Littorina (spp.) faocha f5 (miongán m1, seilmide m4 cladaigh)
petty spurge Euphorbia peplus gearr m4 nimhe
phalarope Phalaropus (spp.) falaróp m1
pheasant Phasianus colchicus piasún m1
Philippine duck Anas luzonica lacha f5 Fhilipíneach
pied flycatcher Ficedula hypoleuca cuilire m4 alabhreac
pied mynah Sturnus contra míona m4 breac
pied wagtail Motacilla alba yarrellii glasóg f2 shráide
pied woodpecker [= greater spotted woodpecker] Dendrocopos major mórchnagaire m4 breac
pigeon [= dove] Columba (spp.) colm m1 (colmán m1, colúr m1)
pig head mange mite Demodex phylloides fíneog f2 chlaimhe mhuice
pig itch mite Sarcoptes suis fíneog f2 thochais mhuice
pig louse (sow louse) Haematopinus suis míol m1 muice (sor m1 muice)
pignut (earthnut) Conopodium majus cúlarán m1 (cnó m4 arcáin, cúralán m1)
pike Esox lucius liús m1 (gailliasc m1)
pike whale [= lesser rorqual] Balaenoptera acutorostrata droimeiteach m1 beag
pilchard Sardina pilchardus pilséar m1 (seirdín m4)
pill millipede Glomeris marginata mílechosach m1 ceirtlíneach
pilot whale (blackfish, caaíing whale) Globicephala melaena píolótach m1
pine Pinus (spp.) péine m4 (pín f2)
pine marten Martes martes cat m1 crainn
pineappleweed (rayless mayweed) Matricaria matricarioides lus m3 na hiothlann (lus anainn)
pinkeen (Fam.) [= three-spined stickleback] Gasterosteus aculeatus garmachán m1 (biorach m1 lodáin, dealg f2 úcaire, pincín m4)
pinkeen [= minnow] Phoxinus phoxinus bodairlín m4 (bricín m4, geasán m1, líbín m4, pincín m4)
pink-footed goose Anser brachyrhynchus f4 ghobghearr
pin mould [= bread mould] Mucoraceae (fine) (Mucor (spp.) / Rhizopus (spp.) múscán m1 aráin (caonach m1 liath, clúmh m1 liath, snas m3 liath)
pintail Anas acuta biorearrach m1 (lacha f stiúrach)
pin-tailed whydah Vidua macroura víoda m4 biorearrach
pinworm [= threadworm] Enterobius vermicularis snáthphéist f2
pipa Pipa (géineas) pipe m4
pipefish Syngnathidae (fine) snáthaid f2 mhara
pipewort Eriocaulon aquaticum (E. septangulare) lus m3 an phíopa
pipistrelle Pipistrellus pipistrellus ialtóg f2 fheascrach
pipit Anthus (spp.) riabhóg f2
plaice Pleuronectes platessa leathóg f2 bhallach (leathóg bhreac, leathóg na mball dearg, leith f2 bhallach, plás m1)
plant louse [= aphid] Aphididae (fine) aifid f2 (míol m1 plandaí)
plaster beetle Lathridiidae (fine) ciaróg f2 phlástair
plover Charadius (spp.) feadóg f2
plumose anemone Metridium senile bláth m3 mara
pochard [= European pochard] Aythya fernia póiseard m1 (lacha f5 mhásach)
pod-weed Halidrys siliquosa crúba fpl préacháin
pogge [= armed bullhead] Agonus cataphractus muiricín m4
pointer Canis familiaris pointéir m3
polar bear Tharlarctos maritimus béar m1 bán
polar hare (=Arctic hare) Lepus arcticus giorria m4 an Artaigh
polecat Mustela putorius cat m1 coille (toghán m1)
pollan Coregonus albula pollán m1
pollock Pollachius pollachius mangach m1 (pollóg f2)
polypody Polypodium vulgare scim f2 choiteann
polysiphonia Polysiphonia fastigiata olann f dhearg
pomarine skua Stercorarius pomarinus meirleach m1 pomairíneach
pond skater Gerridae (fine) scinnire m4 locháin
pond snail Limnaea (spp.) seilide m4 locháin
pondweed Potamogeton (spp.) duileasc m1 abhann
poodle Canis familiaris púdal m1
poor cod Trisopterus minutus miontrosc m1
poor man's beefsteak (= beefsteak mushroom) Fistulina hepatica feoil f3 an phúca
pope (= ruff{e}) Gymnocephalus cernuus garbhóg f2
poplar Populus (spp.) poibleog f2
poplar hawk moth Laothoe populi conach m1 poibleoige
poppy Papaver (spp.) poipín m4
porbeagle Lamna nasus craosaire m4
porpoise Phocoena phocoena muc f2 mhara (tóithín m4)
Portland spurge Euphorbia portlandica spuirse f4 Portland
potato blight Phytophthora infestans dúchan f3 (phrátaí) (bleaist f2, dubh m1)
pout (= bib) Gadus luscus troscán m1 stopóige
powdery mildew (true mildew) Erysiphales (ord) coincleach f2 phúdrach
powdery scab (on potato) Spongospora subterranea carr f3 (phrátaí)
prairie dog Cynomys ludovicianus marmat m1 machaire
prawn Palaemon (spp.) cloicheán m1 (piardán m1, ribe m4 róibéis)
praying mantis Mantis religiosa maintis f2 chrábhaidh
prickly cockle (= red cockle) Achantocardia echimata ruacan m1 garbh
prickly poppy Papaver argemone poipín m4 deilgíneach
prickly saltwort (saltwort) Salsola kali lus m3 an tsalainn
prickly sow-thistle Sonchus asper bleachtán m1 colgach
primrose Primula vulgaris sabhaircín m4
proboscis worm Priapulida (fíleam) péist f2 phróboscais
procumbent pearlwort Sagina procubens lus m3 na bpéarlaí sínte
prominent moth Notodontidae (fine) starraicín m4
ptarmigan Lagopus mutus tarmachan m1
puff-ball Lycoperdon (spp.) bolgán m1 béice (balbhán m1 béice)
puffin Fratercula arctica puifín m4 (éan m1 dearg)
puma Felis concolor púma m4
Puna teal Anas versicolor puna praslacha f5 Phúnach
purging flax [= fairy flax] Linium catharticum líon m1 na mban sí (mionsach f2)
purple buddleia Buddleia davidii búidlia f4 chorcra
purple-crested turaco Gallirex porphyreolphus túracó m4 cíorchorcra
purple gallinule Porphyrio porphyrio cearcóg f2 chorcra
purple hairstreak butterfly Thecla quercus stiallach m1 corcra
purple laver [= red laver] Porphyra laciniata sleabhac m1 dearg
purple loosestrife Lythrum salicaria créachtach m1
purple martin Progne subis gabhlán m1 corcra
purple moor-grass Molinia caerulea fionnán m1
purple sandpiper Calidris maritima gobadáinín m4 cosbhuí
purple shell (dog whelk, dog winkle, horse winkle) Nucella lapillus cuachma f4 chon (faocha f5 chapaill, faocha choirn)
purple sunstar Solaster endeca crosóg f2 ghréine chorcra
purple top shell Gibbula umbilicalis faochán m1 Mhuire corcra
puss moth Cerura vinula leamhan m1 puisíneach
pussy willow [= goat willow] Salix caprea sailchearnach f2
pygmy shrew Sorex minutus dallóg f2 fhraoigh (luch f2 chodlamáin airde)
pyramidal orchid Anacamptis pyramidalis magairlín m4 na stuaice

Barr

quail Coturnix coturnix gearg f2
Quaker parakeet Myiopsitta monachus pearaicít f2 ghlas
quaking-grass Briza media féar m1 gortach
queen bee Apoidea (fine) cráinbheach f2 (máthair f aba, máthair áil)
queen bumble bee Bombus (spp.) cráinbhumbóg f2
Queen of Spain fritillary butterfly Argynnis lathonia fritileán m1 niamhrach
queen scallop Chlamys opercularis cluaisín m4
queen wasp Vespidae (fine) cráinfhoiche f4
quinoa Chenopodium quinoa blonagán m1 ríse

Barr

rabbit Oryctolagus cuniculus coinín m4
rabbit-fish Chimaera monstrosa coinín m4 (mara)
racoon Procyon lotor racún m1
ragged-robin Lychnis flos-cuculi lus m3 síoda
rag-worm Nereis (spp.) raga m4 (ruarámhach m1)
ragwort Senecio (spp.) buachalán m1
rainbow bladderweed Cystoseira ericoides fraoch m1 freangach
rainbow trout Salmo gairdneri breac m1 dea-dhathach
ramsons (wild garlic) Allium ursinum creamh m3
rat Muridae (fine) / Rattus (spp.) francach m1 (luch f2 fhrancach, luchóg f2 mhór)
rat flea Nosopsyllus fasciatus dreancaid f2 fhrancaigh
rat-tailed maggot Eristalis tenax cruimh f2 eireaballach
raven Corvus corax fiach m1 dubh (Dónall m1 dubh)
ray Raja (spp.) roc m1 (rotha f4)
rayed trough shell Mactra corallina sliogán m1 trach gathach
rayless mayweed [= pineappleweed] Matricaria matricarioides lus m3 na hiothlann (lus anainn)
Ray's bream (= black sea bream) Brama raii sáimhín m4
razorbill Alca torda crosán m1
razor shell Solenidae (fine) scian f2 mhara
red admiral butterfly Vanessa atalanta aimiréal m1 dearg
red alga, type of Dilsea edulis cáithleach f2
red alga, type of Furcellaria fastigiata leaba f phortáin
red and yellow or scarlet macaw [sic] Ara macao macá m4 scarlóideach
red ant Myrmica (spp.) seangán m1 dearg
red-backed shrike Lanius collurio scréachán m1 droimrua
red band-fish Cepola rubescens ribín m4 rua
red bartsia Odontites verna hocas m1 tae
red-billed chough Pyrrhocorax pyrrhocorax cág m1 cosdearg
red-billed hornbill Tockus erethrorhynchus cornóg f2 ghobdhearg
red-billed whistling tree duck Dendrocygna autumnalis feadlacha f5 ghobdhearg
red-blue-and-green macaw Ara chloroptera macá m4 gorm dearg glas
red-breasted marsh bird Leistes militaris lon m1 broinndearg
red-breasted merganser Mergus serrator síolta f4 rua (tumaire m4 rua)
red clover Trifolium pratense seamair f2 dhearg (seamair chapaill)
red cockle (= prickly cockle) Achantocardia echimata ruacan m1 garbh
red-crested pochard Netta rufina póiseard m1 cíordhearg
red-crested turaco Tauraco erythrolophus túracó m4 cíordhearg
red cushion star Porania pulvillus crosóg f2 fhaoilinne dhearg
red dead-nettle Lamium purpureum caochneantóg f2 dhearg
red deer Cervus elaphus fia m4 rua
red-eared conure Pyrrhus cruentata conúr m1 cluasdearg
red-eared turtle Pseudemys scripta elegans turtar m1 cluasdearg
red fescue Festuca rubra feisciú m4 rua
redfish (= Norway haddock, ocean perch, rosefish) Sebastes marinus péirse f4 mhara
red fox Vulpes vulpes sionnach m1
red grouse Lagopus lagopus cearc f2 fhraoigh / coileach m1 fraoigh
red gurnard Aspitrigla cuculus cnúdán m1 dearg
red-headed lovebird Agapornis pullarius éan m1 suirí ceanndearg
red honey bee Apis mellifera beach f2 bhuí (beach rua)
red kite Milvus milvus cúr m1 rua
red laver (purple laver) Porphyra laciniata sleabhac m1 dearg
red-legged partridge Alectoris rufa patraisc f2 chosdearg
red mullet Mullus surmuletus milléad m1 dearg
red-necked grebe Podiceps grisegena foitheach m1 píbrua
red-necked phalarope Phalaropus lobatus falaróp m1 gobchaol
red pepper Capsicum (géineas) piobar m1 dearg
red rattle [= marsh lousewort] Pedicularis palustris milseán m1 móna
red-ruffed lemur Prosimii (fo-ord) léamar m1 rua-rufach
red sea bream Pagellus bogaraveo deargán m1 (garbhánach m1, sléibhín m4)
red seaweed Rhodophyceae (aicme) feamainn f2 dhearg
redshank Tringa totanus cosdeargán m1 (ladhrán m1 trá, laidhrín m4 trá)
redshank [= common persicaria] Polygonum persicaria glúineach f2 dhearg
red squirrel Sciurus vulgaris iora m4 rua
redstart Phoenicurus phoenicurus earrdheargán m1
red-tailed guenon Cercopithecus ascanius geanón m1 earr-rua
red-throated diver Gavia stellata lóma m4 rua (foitheach m1 rua)
red valerian Centranthus ruber slán m1 iomaire
red-vented parrot Pionus menstruus pearóid f2 tholldearg
redwing Turdus iliacus deargán m1 sneachta
redwood Sequoia sempervirens crónghiúis f2
reed bunting Emberiza schoeniclus gealóg f2 ghiolcaí (Brian m1 na giolcaí, gealbhan m1 giolcaí)
reed canary-grass Phalaris arundinacea cuiscreach f2
reed mace [= bulrush] Typha latifolia coigeal f2 na mban sí
reed warbler Acrocephalus scirpaceus ceolaire m4 giolcaí
reeve Philomachus pugnax rufachán m1
Reeves pheasant Syrmaticus reevesii piasún m1 Reeves
reindeer Rangifer tarandus réinfhia m4
reindeer moss Cladonia rangiferina léicean m1 réinfhia
remote sedge Carex remota cíb f2 scartha
reticulated giraffe Giraffa camelopardalis riticulata sioráf m1 mogallach
Rhodesian ridgeback Canis familiaris dronnach m1 Róidéiseach
rhododendron (wild rhododendron) Rhododendron ponticum ródaideandrón m1 fiáin
ribbon hepatic Marchantia polymorpha ae m4 abhann
ribbon worm (nemertine worm) Nemertina (fíleam) péist f2 neimirtíneach
ribwort plantain (narrow-leaved plantain) Plantago lanceolata slánlus m3
rice-grass [= Townsendís cord-grass] Spartina townsendii spairtíneach f2
rigid hornwort Ceratophyllum demersum cornlach m1
ringed plover Charadrius hiaticula feadóg f2 chladaigh (feadóg an fháinne)
ringlet butterfly Aphantopus hyperantus fáinneog f2
ring ouzel Turdus torquatus lon m1 creige
ring-tailed lemur Lemur catta léamar m4 bandearrach
river lamprey (lampern) Lampetra fluviatilis loimpre f4 abhann
roach Rutilus rutilus róiste m4
road runner (= chaparral bird, chaparral cock) Geococcyx (géineas) reathaí m4 an bhóthair
robber-fly Asilidae (fine) sladchuil f2
robin Erithacus rubecula spideog f2
robin-run-the-hedge [= cleavers] Galium aparine garbhlus m3 (lus m3 garbh, uirlis f2 chríonna)
rock-boring (= black urchin) Paracentrotus lividus cuán m1 mara dubh
rockcook wrasse Centrolabrus exoletus ballach m1 fuarleice
rock dove Columba livia colm m1 aille (colúr m1 aille, fearán m1 binne)
rock eel Xiphister mucosus corr f2 charraige
rock goby Gobius paganellus mac m1 siobháin carraige
rockling Gadidae (fine) (cuid) donnán m1 (langa), (donnóg f2)
rock-pipit Anthus spinoletta petrosus riabhóg f2 chladaigh
rock salmon Lutjanus argentimaculatus ballach m1
rock shell Thais haemastoma sliogán m1 creagach
roe deer Capreolus capreolus fia m4 odhar
rook Corvus frugilegus rúcach m1 (préachán m1 dubh)
roseate cockatoo Kakatoe roseicapilla cocatú m4 rósach
roseate spoonbill Ajaia ajaja leitheadach m1 rósach
roseate tern Sterna dougallii geabhróg f2 rósach
rosebay willowherb (fireweed) Epilobium angustifoliuim saileachán m1 francach (lus m3 tine)
rosefish (= Norway haddock, ocean perch, redfish) Sebastes marinus péirse f4 mhara
rosy-billed duck Metopiana peposaca lacha f5 ghobrósach
rosy periwinkle plant Apocynaceae (fine) bláth m3 na faochan dearg
rotifer [= wheel animalcule] Rotifera (fíleam) rothánach m1
rough collie Canis familiaris cóilí m4 garbh
rough hawkís-beard Crepis biennis lus m3 cúráin garbh
rough-legged buzzard Buteo lagopus clamhán m1 lópach
rough meadow-grass Poa trivialis cuise m4 garbh
rough pen shell Pinna nobilis cleiteog f2 gharbh
rough periwinkle Littorina saxatilis faocha f5 gharbh
rough poppy Papaver hybridum poipín m4 garbh
rough star-shell Astraea (Turbo) rugosa réaltsliogán m1 garbh
round-leaved sundew (common sundew) Drosera rotundifolia drúchtín m4 móna
round worm Nematoda (fíleam) cruinnphéist f2
rove beetle Staphylinidae (fine) fándaol m1
rowan (mountain ash, rowan tree) Sorbus aucuparia caorthann m1 (cárthann m1)
rowan tree [= rowan] Sorbus aucuparia caorthann m1 (cárthann m1)
royal fern Osmunda regalis raithneach f2 ríúil (gallraithneach, raithneach ghallda)
royal python Python regius píotón m1 ríoga
rudd Scardinius erythrophthalmus ruán m1
ruddy darter Anhingidae (fine) sciobaire m4 rua
ruff Philomachus pugnax rufachán m1
ruff(e) (= pope) Gymnocephalus cernuus garbhóg f2
rum cherry (= American cherry, black cherry) Prunus serotina crann m1 silíní dubha
rush Juncus (spp.) luachair f3 (feag f3)
Russian red-breasted goose Branta ruficollis f4 bhroinnrua
Russian wolfhound (= Borzoi) Canis familiarism4 faoil Rúiseach
rustyback Ceterach officinarum raithneach f2 rua

Barr

sacred ibis Threskiornis aethiopica íbis f2 bheannaithe
Sagartia elegans Sagartia elegans bundún m1 leice faithneach
sailfish Istiophorus (géineas) colgán m1 na ndealg
sally [= grey willow] Salix atrocinerea (subsp.) oleifolia saileach f2 choiteann
salmon Salmo salar bradán m1
saltmarsh rush Juncus gerardii luachair f3 réisc ghoirt
saltwort [= prickly saltwort] Salsola kali lus m3 an tsalainn
sand brittlestar Ophiuroidea (aicme) crosóg f2 bhriosc ghainimh
sand catís-tail Phleum arenarium tiomóid f2 duimhche
sand couch Elymus farctus (Agropyron junceiforme) broimfhéar m1 gainimh
sand eel Ammodytidae (fine) corr f2 ghainimh (corr ghobach, corr shéanta, scadán m1 gainimh, spéirlint f2)
sanderling Calidris alba luathrán m1 (ladhrán m1 geal, laidhrín m4 geal)
sand-fly Phlebotomus (spp.) míoltóg f2 ghainimh
sand gaper (clam) Mya arenaria breallach m1 (breallacán m1)
sand goby Pomatoschistus minutus mac m1 siobháin gainimh
sandhill crane Grus canadensis grús m1 Ceanadach
sandhopper Talitridae (fine) dreancaid f2 trá (dreancaid mhara, míol m1 trá, tonachán m1 trá)
sandhopper Talitrus saltator dreancaid f2 trá
sand martin Riparia riparia gabhlán m1 gainimh
sand sedge Carex arenaria cíb f2 ghainimh
sand smelt (= atherine) Atherina presbyter smealt m4 gainimh
sand star Asteropecten irregularis crosóg f2 ghainimh
Sandwich tern Sterna sandvicensis geabhróg f2 scothdhubh
sanicle (wood sanicle) Sanicula europaea bodán m1 coille
sarcoptic mange of goat Sarcoptes caprae fíneog f2 chlaimhe ghabhair
sardine Sardina pilchardus sairdín m4
sarus crane Grus antigone grús m1 sárasach
saw sedge [= great fen-sedge] Cladium mariscus sábhsheisc f2
sawfly Symphyta (fo-ord) sábhchuil f2
sawfly (Fam. hornet) Urocerus (spp.) sábhchuil f2
scad (horse mackerel) Trachurus trachurus bolmán m1 (gabhar m1, scadán m1 carraige)
scald crow [= hooded crow] Corvus corone cornix caróg f2 liath (feannóg f2)
scaldfish Arnoglossus laterna scoilteán m1
scale insect Coccoidea (ollfhine) feithid f2 ghainneach
scale-worm Aphroditidae (fine) péist f2 ghainneach
scallop Pectinidae (fine) muirín m4
scalloped hooktip moth Drepana lacertinaria rinncham m1 scolbach
scaly-breasted lorikeet Trichoglossus chlorolepidotus loraicít f2 lannbhroinneach
scaly male-fern (Borrerís buckler-fern) Dryopteris borreri raithneach f2 ghainneach
Scandinavian lemming Lemmus lemmus leimín m4 Lochlannach
scarab beetle Scarabaeidae (fine) scarab m1
scarlet ibis Guara rubra íbis f2 scarlóideach
scarlet pimpernel Anagallis arvensis falcaire m4 fiáin
scaup (scaup duck) Aythya marila lacha f5 iascán
scaup duck [= scaup] Aythya marila lacha f5 iascán
scavenger beetle Histeridae (fine) ciaróg f2 bhualtraí
scentless mayweed Tripleurospermum maritimum lus m3 Bhealtaine
schipperke Canis familiaris scipéirín m4
scorpion fly Mecoptera (ord) cuil f2 scairpe
Scotch heather [= heather] Calluna vulgaris fraoch m1 coiteann
Scots pine Pinus sylvestris péine m4 Albanach
Scottish bluebell [= harebell] Campanula rotundifolia méaracán m1 gorm
Scottish eyebright Euphrasia (géineas) glanrosc m1 Albanach
screw moss Tortula (spp.) caschaonach m1
scutch [= common couch] Elymus repens (Agropyron repens) broimfhéar m1 (féar m1 gaoil)
sea anemone Actiniaria (ord) bundún m1 leice (cac m3 ar leicín, hata m4 an tsagairt, sine f4 bó leid)
sea arrowgrass Triglochin maritima barr m1 an mhilltigh mara
sea aster (sea starwort) Aster tripolium luibh f2 bhléine
sea balls Posidonia oceanica liathróidí fpl mara
sea beet Beta vulgaris (subsp.) maritima laíon m1 na trá
sea belt Laminaria saccharina rufa m4 (madraí mpl rua)
sea-bent [= marram] Ammophila arenaria muiríneach f2
sea-blite [= annual sea-blite] Suaeda maritima blide f4 mhara
sea-cat [= catfish] Anarrhicas lupus cat m1 mara
sea-cow Sirenia (ord) f4 mhara
sea-cucumber Holothuroidea (aicme) súmaire m4 cladaigh
sea eagle [= white-tailed eagle] Haliaeetus albicilla iolar m1 mara
sea fan Gorgonacea (ord) fean m4 mara
sea-fir (hydroid) Abietinaria abietina giúis f2 mhara
sea gooseberry Pleurobrachia pileus spíonán m1 mara
sea-holly Eryngium maritimum cuileann m1 trá (cuileann duimhche)
seahorse Hippocampus (géineas) capall m1 mara
sea ivory Ramalina (sp.) eabhar m1 mara
seal Phocidae (fine) rón m1 (lao m4 mara)
sea-laces Chorda filum ruálach f2 (doruithe mpl Briain)
sea lamprey Petromyzon marinus loimpre f4 mhara
sea-lavender [= lax-flowered sea-lavender] Limonium humile lus m3 liath na mara
sea-lettuce (green laver) Ulva lactuca glasán m1 (sleaidí m4)
sea lily Crinoidea (aicme) cleiteach f2 mhara
sea mat Membranipora membranacea milseán m1 mara
sea-milkwort Glaux maritima lus m3 bainne mara
sea-mouse Aphrodite aculeata luch f2 mhara (luch fharraige)
sea mouse-ear (dark-green mouse-ear chickweed) Cerastium diffusum cluas f2 luchóige dhúghlas
sea-pink [= thrift] Armeria maritima rabhán m1 (caoróg f2 mhara)
sea plantain Plantago maritima slánlus m3 mara
sea potato Echinocardium cordatum croídín m4 buí
sea-purslane Halimione portulacoides puirsleán m1 mara
sea ragged staff Alcyonidium gelatinosum feam m3 siogairleach
sea rocket Cakile maritima cearrbhacán m1 mara
sea sandwort Honkenya peploides lus m3 an ghainimh
sea scorpion Cottidae (fine) scairpiasc m1 (ceann m1 crua, gréasaí m4 cladaigh)
sea-serpent (Fam.) Ophidia (fo-ord) péist f2 mhara
sea slater Ligia oceanica cláirseach f2 thrá
sea-slug Nudibranchia (ord) bodalach m1 (bodairseach m1, bodalán m1)
sea snail Liparis (spp.) gnamhán m1
sea snail (Fam.) [= edible winkle] Littorina littorea gioradán m1
sea spider Pycnogonidae (fine) damhán m1 mara
sea spurge Euphorbia paralias spuirse f4 mhara
sea-spurrey [= greater sea-spurrey] Spergularia media corrán m1 mara mór
sea-spurrey [= lesser sea-spurrey] Spergularia marina corrán m1 mara beag
sea-squirt [= ascidian] Ascidiacea (aicme) ascaid f2
sea starwort [= sea aster] Aster tripolium luibh f2 bhléine
sea stickleback [= fifteen-spined stickleback] Spinachia spinachia garmachán m1 farraige
sea trout Salmo trutta breac m1 geal
sea-urchin Echinoidea (aicme) cuán m1 mara (carbhán m1 carraige, gráinneog f2 trá)
seaweed [= marine alga] Algae (fíleam) feamainn f2 (feamnach f2)
secretary bird Sagittarius serpentarius peannaire m4
sedge Carex (spp.) cíb f2 (seisc f2)
sedge warbler Acrocephalus schoenobaenus ceolaire m4 cíbe
selfheal Prunella vulgaris duáinín m4 an tseanchais (duán m1 ceannchosach)
serpulid worm Serpulidae (fine) péist f2 sheirpíneach
serrated wrack Fucus serratus míoránach f2
serval Feli serval seirbheal m1
sessile oak Quercus petraea dair f5 neamhghasánach
seven-armed starfish Luidia ciliaris crosóg f2 na seacht méar
sexton beetle [= burying beetle] Necrophorus (sp.) ciaróg f2 fholaigh
Seychelles giant tortoise Geochelone gigantea olltoirtís f2 Shéiséalach
shag Phalacrocorax aristotelis seaga m4
shaggy parasol Lepiota rhacodes triomán m1 mosach
shamrock [= lesser trefoil] Trifolium dubium seamróg f2
shanny (common blenny, smooth blenny) Blennius pholis ceannruán m1 (ceann m1 craigirlín, ceann crua, ceann cruacháin, cloigeann m1 cruacháin, craigirlín m4)
shark Pleurotremata (ord) siorc m3
sharp dock [= clustered dock] Rumex conglomeratus copóg f2 ghéar
sharp-flowered rush Juncus acutiflorus luachair f3 bhláthghéar
sheath-tailed bat Emballonuridae (fine) ialtóg f2 earrthruailleach
sheep biting louse Bovicola ovis míol m1 caorach (sor m1 caorach)
sheepdog Canis familiaris sípéir m3 (madra m4 caorach)
sheep itch mite Sarcoptes ovis fíneog f2 thochais chaorach
sheep ked (sheep tick) Melophagus ovinus sceartán m1 caorach
sheep mange mite Demodex canis (var.) ovis fíneog f2 chlaimhe chaorach
sheepís-bit (sheepís scabious) Jasione montana duán m1 na gcaorach
sheepís-fescue Festuca ovina feisciú m4 caorach
sheepís scabious [= sheepís-bit] Jasione montana duán m1 na gcaorach
sheepís sorrel Rumex acetosella samhadh m1 caorach
sheep tick Ixodes ricinus sceartán m1 caorach
sheep tick [= sheep ked] Melophagus ovinus sceartán m1 caorach
shelduck Tadorna tadorna seil-lacha f5 (lacha bhreac, lacha chriosrua)
shepherdís-purse Capsella bursa-pastoris lus m3 an sparáin (lus na n-aosán, lus na fola)
Shetland sheepdog Canis familiaris sípéir m3 Sealtannach
shield bug Pentatomidae (fine) fríd f2 scéithe
shih tzu Canis familiaris síotsú m4
shiitake mushrooms Lentinus edodes beacáin mpl síotáca
Shimidsu Sikura Prunus (spp.) Shimidsu Sakura
shining honeysuckle Lonicera (géineas) féithleann m1 geal
shipworm (teredo) Teredo (spp.) rincs spl (gríorac m1)
Shirotae Prunus (spp.) Shirotae m4
shore clingfish (= Cornish sucker) Lepadogaster lepadogaster (purpurea) súmaire m4 Cornach
shore pine [= lodgepole pine) Pinus contorta péine m4 contórtach
shore rockling Gadidae (fine) donnán m1 cladaigh
short-eared owl Asio flammeus ulchabhán m1 réisc
short-fruited willowherb Epilobium obscurum saileachán m1 faireogach
short-spined sea scorpion Myoxocephalus scorpius scairpiasc m1 spíonghearr
short-tailed fruit bat Pteropodidae (fine) ialtóg f2 earrghearr na meas
shoveler [= common shoveller] Anas clypeata / Spatula clypeata spadalach m1 (slapaire m4)
shrike Lanius (spp.) scréachán m1
Sibbaldís rorqual [= blue whale] Balaenoptera musculus míol m1 mór gorm
sika deer Cervus nippon fia m4 Seapánach
silk moth Bombyx mori leamhan m1 seiriceáin
silver birch (warty birch) Betula pendula beith f2 gheal
silver eel Anguilliformes (ord) eascann f2 gheal
silver fir Abies alba giúis f2 gheal
silverfish Lepisma saccharina gilín m4
silver pheasant Lophura nycthemera piasún m1 liathgheal
silver-washed fritillary butterfly Argynnis paphia fritileán m1 geal
silverweed Potentilla anserina briosclán m1
siskin Carduelis spinus siscín m4 (píobaire m4)
Sitka spruce Picea sitchensis sprús m1 Sitceach
six-spot burnet moth Zygaena filipendulae (subsp) anglicola buirnéad m1 sébhallach
skate [= common skate] Raja batis sciata m4 (scolabard m1)
skipjack (= Atlantic bonito) Katsuwonas pelamis boiníotó m4 an Atlantaigh
skua Stercorarius (spp.) meirleach m1 mara (faoileán m1 an chaca)
Skye terrier Canis familiaris brocaire m4 Sgiathanach
skylark Alauda arvensis fuiseog f2 (circín f4 starraiceach)
slater (woodlouse) Isopoda (ord) cláirseach f2
Slavonian grebe Podiceps auritus foitheach m1 cluasach
slender naiad Naias flexilis náiad f2 chaol
slender speedwell Veronica filiformis lus m3 cré réileáin
slender St. Johnís-wort Hypericum pulchrum beathnua m4 baineann
slip Solea solea leathshól m1
sloe [= blackthorn] Prunus spinosa draighean m1 (draighean donn, draighean dubh, draighneán m1, draighneán donn)
sloke [= laver] Porphyra (géineas) / Ulva (géineas) sleabhac m1 (sleabhcán m1)
slow-worm Anguis fragilis earcán m1 caoch
slug Limacidae (fine) drúchtín m4 (seilide m4 drúchta)
small bindweed [= field bindweed] Convolvulus arvensis ialus m3 beag
small blue butterfly Cupido minimus gormán m1 beag
small-clawed otter Aonyx cinerea dobhrán m1 beag-ingneach
small copper butterfly Lycaena phlaeas copróg f2 bheag
small heath butterfly Coenonympha pamphilus fraochán m1 beag
small-leaved cotoneaster (cotoneaster) Cotoneaster microphyllus cotóinéastar m1 mionduilleach
small-leaved lime Tilia cordata teile f4 bheagdhuilleach
small mountain ringlet butterfly Erebia epiphron fáinneog f2 shléibhe
small nettle (annual nettle) Urtica urens neantóg f2 bhliantúil
small periwinkle Littorina neritoides faocha f5 bheag
small pondweed Potamogeton berchtoldii duileasc m1 abhann beag
small Risso Rissoa (géineas) riosó m4 beag
small tortoiseshell butterfly Aglais urticae ruán m1 beag
small violet sea snail Janthinidae (fine) gnamhán m1 corcra beag
small white butterfly Pieris rapae bánóg f2 bheag
smelt Osmerus eperlanus smealt m3
smew Mergus albellus síolta f4 gheal
smooth Artemis Dosinia lupinus artaimís f2 mhín
smooth blenny [= shanny] Blennius pholis ceannruán m1 (ceann m1 craigirlín, ceann crua, ceann cruacháin, cloigeann m1 cruacháin, craigirlín m4)
smooth collie Canis familiaris cóilí m4 mín
smooth fox terrier Canis familiaris brocaire m4 sionnach mín
smooth hammerhead (= common hammerhead) Sphyrna zygaena ceann m1 casúir coiteann
smooth hawkís-beard Crepis capillaris lus m3 cúráin mín
smooth hound Mustelus asterias scoirneach m1 (madra m4 glas)
smooth meadow-grass Poa pratensis cuise m4 mín
smooth scallop Pectinidae (fine) muirín m4 mín
smooth sow-thistle (common smooth sow-thistle) Sonchus oleraceus bleachtán m1 mín (bleachtfheochadán m1)
smooth Venus Callista chione maighdeog f2 mhín
smut (on cereals) Ustilaginales (ord) dúchan f3 arbhair (giorta m4)
snail Gastropoda (aicme) seilide m4 (seilmide m4)
snake Ophidia (fo-ord) nathair f5
snake pipefish Entekurus aequoreus snáthaid f2 mhara nathartha
snapdragon Antirrhinum majus srubh f2 lao (scrubh m na laoch)
snow bunting Plectrophenax nivalis gealóg f2 shneachta
snowdrop Galanthus nivalis plúirín m4 sneachta
soft-brome Bromus mollis brómas m1 bog
soft-coated wheaten terrier (Irish wheaten terrier) Canis familiaris brocaire m4 buí
soft rush Juncus effusus luachair f3 bhog
soft shield-fern Polystichum setiferum ibheag f2 bhog
soldier ant Formicidae (fine) seangán m1 cogaidh
soldier crab [= common hermit crab] Pagurus bernhardus faocha f5 ghliomaigh (portán m1 sligreach)
sole Solea solea sól m1 (teanga f4 chait)
solenette Microchirus luteus sóilín m4
solitary wasp Sphecoidea (fine) foiche f4 aonair
song thrush Turdus philomelos smólach m1 (ceoil)
sooty mangabey Cercocebus atys mangabaí m4 dúliath
sorrel Rumex (spp.) samhadh m1
South African shelduck Tadorna cana seil-lacha f5 Afracach
South American mud turtle Kinosternon scorpioides turtar m1 láibe Mheiriceá Theas
southern caracara Caracara plancus caracara m4 deisceartach
southern flying squirrel Pteromyinae (fofhine) iora m4 eitilte deisceartach
southern soft-plumaged petrel Pterodroma mollis peadairín m4 clúmhach deisceartach
sow louse [= pig louse] Haematopinus suis míol m1 muice (sor m1 muice)
sow-thistle Sonchus (spp.) bleachtán m1
spaniel canis familiaris spáinnéar m1
Spanish chestnut [= sweet chestnut] Castanea sativa castán m1
Spanish fly (blister beetle) Lytta vesicatoria cuil f2 Spáinneach
sparrow Passer (spp.) gealbhan m1
sparrowhawk Accipiter nisus spioróg f2 (ruán m1 aille, speirsheabhac m1)
spear-leaved orache (broad-leaved orache) Atriplex hastata eilifleog f2 leathan (praiseach f2 mhín)
spear thistle Cirsium vulgare feochadán m1 colgach
speckled wood butterfly Pararge aegeria breacfhéileacán m1 coille
speedwell Veronica (spp.) lus m3 cré
sperm whale (cachalot) Physeter catodon caisealóid f2
sphagnum Sphagnum (ord) sfagnam m1
spider Araneae (ord) damhán m1 alla (fíodóir m3)
spider beetle Ptinidae (fine) ciaróg f2 chrúbach
spider crab Maiidae (fine) portán m1 faoilinne (portán crúbach, portán iarainn)
spider monkey Ateles belzebuth moncaí m4 géagach
spiked water-milfoil Myriophyllum spicatum líonánach f2 (líonán m1 abhann, snáth m3 báite)
spiny-headed worm Acanthocephala (fíleam) péist f2 cheannspíonach
spiny soft-shell turtle Trionyx spinifera turtar m1 blaoscbhog spíneach
spiny starfish Asteroidea (aicme) crosóg f2 choilgneach
spire snail [= hydrobia snail] Hydrobiidae (fine) seilide m4 hidribiach
spittle bug [= froghopper] Cercopidae (fine) míol m1 seile cuaiche
spitz Canis familiaris spitse m4
splendid glossy starling Lamprocolius splendidus niamhdhruid f2 thaibhseach
sponge Porifera (fíleam) spúinse m4
spoonbill Platalea leucorodia leitheadach m1 (corr f2 leitheadach)
spot-billed duck Anas poecilorhyncha lacha f5 spotghobach
spot-billed toucanet Selenidera maculirostris túcáinín m4 gob-bhallach
spot-nosed monkey Cercopithecus nictitans moncaí m4 sceadsrónach
spotted flycatcher Muscicapa striata cuilire m4 liath
spotted hyena Crocuta crocuta hiéana m4 breac
spotted ray (homelyn) Raja montagui roc m1 mín (rotha f4 mhín, scíte f4 bhallánach)
sprat Sprattus sprattus salán m1 (stuifín m4)
spring gentian Gentiana verna ceadharlach m1 Bealtaine
spring-sedge Carex caryophyllea cíb f2 earraigh
spring squill (vernal squill) Scilla verna sciolla m4 earraigh
springtail Collembola (ord) preabaire m4
spruce Picea (spp.) sprús m1
spur dog (spur dogfish) Squalus acanthias fíogach m1 gobach
spur dogfish [= spur dog] Squalus acanthias fíogach m1 gobach
spurge Euphorbia (spp.) spuirse f4
spur-winged goose Plectropterus gambensis f4 sporeiteach
spur-winged jacana Jacana spinosa seacana m4 sporeiteach
spur-winged plover Hoplopterus spinosus feadóg f2 sporeiteach
square-stalked St. Johnís-wort (square-stemmed St. Johnís-wort) Hypericum tetrapterum beathnua m4 fireann
square-stemmed St. Johnís-wort [= square-stalked St. Johnís-wort] Hypericum tetrapterum beathnua m4 fireann
squid Loligo forbesi máthair f shúigh
squirrel Sciurus (spp.) iora m4 (madra m4 crainn)
squirrel monkey Saimiri sciureus moncaí m4 iorach
St. Bernard (alpine mastiff) Canis familiaris ailpíneach m1
St. Dabeocís heath Daboecia cantabrica fraoch m1 na haon choise
St. Johnís-wort Hypericum (spp.) beathnua m4 (allas m1 Muire, luibh f2 Eoin Baiste)
St. Patrickís-cabbage Saxifraga spathularis cabáiste m4 an mhadra rua (cabáiste na ndaoine maithe)
stable-fly Stomoxys calcitrans cuil f2 stábla
stag beetle [= horned beetle] Lucanus cervus daol m1 adharcach
star acorn barnacle Chthalamus stellatus garbhán m1 carraige réaltach
star ascidian (star sea-squirt) Botryllus schlosseri ascaid f2 réaltach
starfish Asteroidea aicme crosóg f2 mhara (crosán m1 mara, méadail f3 mhéarach, méarán m1, na cúig méara)
starling Sturnus vulgaris druid f2
star sea-squirt [= star ascidian] Botryllus schlosseri ascaid f2 réaltach
star sedge Carex echinata cíb f2 réalta
stem rust (black rust) (on wheat) Puccinia graminis caoch f2 rua (chruithneachta)
stick insect Phasmida (ord) cipíneach m1
sticky mouse-ear (sticky mouse-ear chickweed) Cerastium glomeratum cluas f2 luchóige fhaireogach
sticky mouse-ear chickweed [= sticky mouse-ear] Cerastium glomeratum cluas f2 luchóige fhaireogach
sting ray Dasyatis pastinaca roc m1 an gha nimhe
stink fly (= golden-eye) Chrysopidea perla lásóg f2 órshúileach
stinkhorn fungus Phallus impudicus adharc f2 an phúca
stipe Laminaria cloustoni feam m3 (slat f2 mhara)
stitchwort Stellaria (spp.) tursarraing f2
stoat (Fam. weasel) Mustela erminea easóg f2 (an bheainín f4 uasal, an cailín m4 uasal, eas f2)
stock-dove Columba oenas colm m1 gorm
stone bass [= wreck-fish] Polyprion americanus breac m1 raice
stonechat Saxicola torquata caislín m4 cloch (caislín dearg, Donncha m4 an chaipín; Máirín f4 an triúis)
stonefly Plecoptera (ord) cuil f2 chloch
stork-bill [= common storkís-bill] Erodium cicutarium gob m1 coirre
storm petrel Hydrobates pelagicus guairdeall m1 (gearr m4 róid, gearr úisc, peadairín m4 na stoirme)
strap wrack (oarweed) Laminaria cloustoni leathach f2
strap wrack (oarweed) Laminaria digitata coirleach f2 (ribíní mpl)
strawberry tree (arbutus) Arbutus unedo caithne f4
stump-tailed skink Tiliqua nigosa scinc f2 stumpearrach
sturgeon Acipenser sturio bradán m1 fearna
stylopid Strepsiptera (ord) stíolóipid f2
sucker Gobiesocidae (fine) súmaire m4
sucking louse Anoplura (ord) míol m1 súraic
sunbittern Eurypyga helias bonnán m1 gréine
sun spurge Euphorbia helioscopia spuirse f4 ghréine
sun star Solaster papposus crosóg f2 ghréine
Swainsonís lorikeet Trichoglossus haematod moloccanus loraicít f2 Swainson
swallow Hirundo rustica fáinleog f2
swallowtailed moth Ourapteryx sambucaria ladhróg f2
swan Cygnus (spp.) eala f4
sweet chestnut (Spanish chestnut) Castanea sativa castán m1
sweet-flag Acorus calamus feileastram m1 cumhra
sweet vernal-grass Anthoxanthum odoratum féar m1 cumhra
swift Apus apus gabhlán m1 gaoithe
swimming crab (fiddler crab) Macropipus (spp.) luaineachán m1
Swinhoeís pheasant Lophura piasún m1 Swinhoe
swordfish Xiphias gladius colgán m1
sword razor (= curved razor shell) Ensis ensis scian f2 mhara chuar
sycamore Acer pseudoplatanus seiceamar m1

Barr

tadpole Rana temporaria torbán m1 (loscann m1, súmadóir m3)
tall fescue Festuca arundinacea feisciú m4 ard
tall ramping-fumitory Fumaria bastardii camán m1 searraigh ard
tansy Tanacetum vulgare (Chrysanthemum vulgare) franclus m3 (lus m3 na bhfrancach, tansae m4)
tapestry moth Trichophaga tapetzella leamhan m1 taipéise
tapeworm Cestoda (aicme) péist f2 ribíneach
tarantula Theraphosidae (fine) tarantúla m4
tawny owl Strix aluco ulchabhán m1 donn
teal Anas crecca praslacha f5
tea tree Leptospermum scoparium crann m1 tae
tellin shell Tellinidae (fine) sliogán m1 teillíneach
tench Tinca tinca cúramán m1
ten-spined stickleback Pungitius pungitius garmachán m1 deich gclipe
teredo [= shipworm] Teredo (spp.) rincs spl (gríorac m1)
Terek sandpiper Xenus cinereus gobadán m1 Terek
termite Isoptera (ord) teirmít f2
thallose liverwort Hepaticae (fíleam) aelus m3 tallasach
thistle Cirsium (spp.) feochadán m1
thongweed Himanthalia elongata ríseach f2 (imleacán m1 cloch)
thornback (thornback ray) Raja clavata roc m1 garbh (rotha f4 gharbh, sciata m4 garbh)
thornback ray [= thornback] Raja clavata roc m1 garbh (rotha f4 gharbh, sciata m4 garbh)
thread moss Eubryales (ord) snáthchaonach m1
threadworm (pinworm) Enterobius vermicularis snáthphéist f2
three-banded douroucouli Aotus trivirgatus dúrúcúlaí m4 tríshíogach
three-bearded rockling Gaidropsarus vulgaris donnán m1 trí ribe
three-spined stickleback (Fam. pinkeen) Gasterosteus aculeatus garmachán m1 (biorach m1 lodáin, dealg f2 úcaire, pincín m4)
thrift (sea-pink) Armeria maritima rabhán m1 (caoróg f2 mhara)
thrips Thysanoptera (ord) tripeas m1
thrush Turdus (spp.) smólach m1
thyme-leaved speedwell Veronica serpyllifolia lus m3 an treacha
tick Ixodidae (fine) sceartán m1 (ceartán m1)
tick (in ferns) Ixodidae (fine) sceartán m1 raithní
tick (in hay) Ixodidae (fine) sceartán m1 féir
tiger Panthera tigris tíogar m1
tiger beetle Cicindelidae (fine) ciaróg f2 thíograch
tiger moth Arctia (sp.) leamhan m1 tíograch
timber beetle [= woodworm] Anobium punctatum míol m1 críon
timothy (catís-tail) Phleum pratense tiomóid f2
tit Paridae (fine) meantán m1
toad Bufo bufo buaf f2
toadflax Linaria (spp.) buaflíon m1
toad rush Juncus bufonius buafluachair f3
toadstool Basidiomycetes (cuid) beacán m1 bearaigh (púca m4 peill)
tope Galeorhinus galeus gearrthóir m3 (gobóg f2, madra m4 gorm)
top shell Trochidae (fine) faochán m1 Muire
tormentil Potentilla erecta néalfartach f2 (niamhnaid f2)
torsk (= tulsk) Brosme brosme torsca m4
tortoise Testudo (spp.) toirtís f2 (tortóis f2)
Townsendís cord-grass (rice grass) Spartina townsendii spairtíneach f2
trailing tormentil Potentilla anglica néalfartach f2 shínteach
travellerís-joy (clematis, old manís beard) Clematis vitalba gabhrán m1
treecreeper Certhia familiaris snag m3 (beangán m1)
tree lungwort Lobaria pulmonaria crotal m1 coille
tree-pipit Anthus trivialis riabhóg f2 choille
tree sparrow Passer montanus gealbhan m1 crainn
trefoil [= clover] Trifolium (spp.) seamair f2
trigger fish Balistidae (fine) iasc m1 truicir
trout Salmo trutta breac m1
true bug [= bug] Hemiptera (ord) fríd f2
true coral [= coral] Madreporaria (ord) coiréalach m1
true mildew (powdery mildew) Erysiphales (ord) coincleach f2 phúdrach
truffle Tuber aestivum strufal m1
trumpet shell Planorbis (spp.) sliogán m1 trumpa
tsetse-fly Glossinidae (fine) seitse f4
tuberous vetchling [= bitter vetch] Lathyrus montanus peasairín m4 searbh (piseánach m1 searbh)
tub gurnard Trigla lucerna cnúdán m1 gorm (cnúdán soilseach)
tufted duck Aythya fuligula lacha f5 bhadánach (lacha dhubh)
tufted forget-me-not Myosotis caespitosa lus m3 míonla stothach
tufted hair-grass Deschampsia cespitosa giobfhéar m1 dosach
tufted ivory coralline Crisia eburnea coiréalach m1 mothallach
tufted lichen [= fruticose lichen] Lichenes (fíleam) léicean m1 dosach
tufted vetch Vicia cracca peasair f2 na luch
tulsk (= torsk) Brosme brosme torsca m4
turbot Scophthalmus maximus turbard m1 (scolabard m1)
turkey vulture Cathartes aura bultúr m1 turcach
turnstone Arenaria interpres piardálaí m4 trá
turtle Cheloniidae (fine) turtar m1
turtle dove Streptopelia turtur fearán m1 (fearán breac, fearán eidhinn)
tuscan helmet Pentapora foliacea clogad m1 mara
tutsan Hypericum androsaemum meas m3 torc allta
twaite shad Alosa fallax sead f2 fhallacsach
twite (mountain linnet) Carduelis flavirostris (Acanthis flavirostris) gleoiseach m1 sléibhe
two-spot goby Chaparrudo flavescens mac m1 siobháin buí
two-spotted palm civet Nandinia binotata pailmshibhéad m1 débhallach
two-toed sloth Choloepus didactylus spadán m1 dé-ingneach
two-wattled cassowary Casuarius bicarunculatus casabhara m4 désprochailleach

Barr

Uakari monkey Cacajao (géineas) moncaí m4 Uakari
Uganda giraffe Giraffa camelopardalis rothschildi sioráf m1 Ugandach
Uganda x reticulated giraffe Giraffa camelopardalis sioráf m1 Ugandach x mogallach
Umbonula Umbonula Umbonula m4
undulate ray Raja undulata roc m1 dústríoctha
universal pansy (= pansy) Viola (géineas) goirmín m4
upland goose Chloephaga picta f4 shléibhe
upright hedge-parsley Torilis japonica peirsil f2 fháil

Barr

variegated spider monkey Ateles variegatus moncaí m4 géagach ilbhreac
velvet horn Codium tomentosum beanna fpl veilbhite
venomous snake Ophidia (fo-ord) nathair f5 nimhe
Venus flytrap Dionaea muscipula cuilghaiste m4 Véineas
Venus shell Veneridae (fine) maighdeog f2
vernal squill [= spring squill] Scilla verna sciolla m4 earraigh
versicolor teal Anas versicolor praslacha f5 ildathach
vetch Vicia (spp.) peasair f2
vetchling Lathyrus (spp.) peasairín m4
vinegar-fly Drosophila melanogaster cuil f2 fhínéagair
violet Viola (spp.) sailchuach f2
vulturine guinea fowl Acryllium vulturinum guine f4 bhultúrach

Barr

wagtail Motacilla (spp.) glasóg f2 (éan m1 beannaithe)
wall barley Hordeum murinum cuiseogach f2 fhionn
wall butterfly Pararge megera donnóg f2 an bhalla
wallflower Cheiranthus cheiri lus m3 an bhalla
wall pennywort [= navelwort] Umbilicus rupestris cornán m1 caisil (arán m1 glas, cornán leacáin)
wall-pepper [= biting stonecrop] Sedum acre grafán m1 na gcloch
wall-rue Asplenium ruta-muraria fionncha m4 balla (rú m4 balla)
wall speedwell Veronica arvensis lus m3 cré balla
walrus Odobenus rosmarus rosualt m1
warble-fly Hypoderma (spp.) péarsla m4 (féirseog f2, péarsalán m1)
warbler Sylviidae (fine) ceolaire m4
warthog Phacochoerus aethiopicus torc m1 na bhfaithní
warty birch [= silver birch] Betula pendula beith f2 gheal
wasp Vespidae (fine) foiche f4 (beach f2 chapaill)
water bear Tardigrada (fíleam) béar m1 uisce
water beetle Dytiscidae (fine) doirb f2
water boatman (lesser water boatman) Corixidae (fine) bádóir m3
water boatman [= backswimmer] Notonecta (spp.) fleascóir m3
water buffalo Bubalus bubalis buabhall m1 uisce
water celery [= foolís water-cress] Apium nodiflorum biolar m1 bréige (gunna m4 uisce)
water chickweed [= blinks] Montia fontana fliodh f2 uisce
water-cress Rorippa microphylla / Rorippa nasturtium-aquaticum biolar m1 (uisce)
water cricket Velia (spp.) criogar m1 uisce
water figwort Scrophularia auriculata (S. aquatica) donnlus m3 uisce
water-flea Cladocera (ord) míol m1 gorm
water forget-me-not Myosotis scorpioides lus m3 míonla uisce
water gnat Hydrometra stagnorum corrmhíol m1 uisce
water hemlock [= cowbane] Cicuta virosa fealla m4 bog
waterhen (moorhen) Gallinula chloropus cearc f2 uisce
water horsetail Equisetum fluviatile eireaball m1 capaill uisce
water-lily Nuphar / Nymphaea duilleog f2 bháite (bual-lile f4)
water mint Mentha aquatica mismín m4 dearg (cartlainn f2, miontas m1 uisce, mismín mionsach, mismín uisce)
water-pipit Anthus spinoletta spinoletta riabhóg f2 uisce
water-plantain Alisma plantago-aquatica corrchopóg f2
water rail Rallus aquaticus rálóg f2 uisce
water scorpion Nepa cinerea scairp f2 uisce
water-soldier Stratiotes aloides saighdiúir m3 uisce
water spider Argyroneta aquatica damhán m1 uisce (speig f2 damháin)
water stick insect Ranatra linearis cipíneach m1 uisce
water thyme [= Canadian waterweed] Elodea canadensis tím f2 uisce
wavy bitter-cress Cardamine flexuosa searbh-bhiolar m1 casta
wavy hair-grass Deschampsia flexuosa giobfhéar m1
waxwing Bombycilla garrulus síodeiteach m1
weasel Mustela nivalis bláthnaid f2 ghallda
weasel (Fam.) [= stoat] Mustela erminea easóg f2 (an bheainín f4 uasal, an cailín m4 uasal, eas f2)
wedge-tailed eagle Uroaetus audax iolar m1 dingearrach
weeping ash Fraxinus excelsior (var.) pendula fuinseog f2 shilte
weevil Curculionidae (fine) gobachán m1
weld (dyerís rocket, yellow-weed) Reseda luteola buí m4 mór
Welsh corgi Canis familiaris corchú m4
Welsh poppy Meconopsis cambrica poipín m4 caimbriach
wentletrap Clathrus clathrus faocha f5 bhiorach
western gorse (autumn gorse) Ulex gallii aiteann m1 gaelach (aiteann mín)
western grey kangaroo Macropus fuliginosus ocydromus cangarú m4 glas iartharach
whale Cetacea (ord) míol m1 mór
wheatear Oenanthe oenanthe clochrán m1
wheel animalcule (rotifer) Rotifera (fíleam) rothánach m1
whimbrel Numenius phaeopus crotach m1 eanaigh (crotach samhraidh)
whin [= gorse] Ulex (spp.) aiteann m1
whin [= gorse] Ulex europaeus aiteann m1 gallda (aiteann francach)
whinchat Saxicola rubetra caislín m4 aitinn
whirligig beetle Gyrinidae (fine) táilliúir m3
whirligig beetle Gyrinidae (fine) táilliúir m3
whiskered bat Myotis mystacinus ialtóg f2 ghiobach
white beak-sedge Rhynchospora alba gobsheisc f2
white-breasted toucan (Cuvierís toucan) Rhamphastes cuveri túcán m1 Cuvier
white campion Silene alba coireán m1 bán
white caterpillar (Fam.) Lepidoptera (ord) lámh f2 fhuar (cruimh f2 bhán, lámh f2 liath)
white-cheeked turaco Tauraco leucotis túracó m4 bánleicneach
white clover Trifolium repens seamair f2 bhán
white-collared mangabey Cercocebus torquatus mangabaí m4 bánmhuinceach
white-crested laughing thrush Garrulax leucolophus smólach m1 gáiriteach cíorbhán
white-crowned black wheatear Oenanthe leucopyga clochrán m1 dubh bánchorónach
white dead-nettle Lamium album caochneantóg f2 bhán
white ermine moth Spilosoma lubricipeda eirmín m4 bán
white-eyed pochard Aythya nyroca póiseard m1 súilbhán
white-faced tree duck Dendrocygna viduata feadlacha f5 aghaidhbhán
white fallow deer Dama dama fia m4 bán (fia fionn)
white fly (ghost fly) Aleyrodidae (fine) cuil f2 bhán
white-fronted goose Anser albifrons f4 bhánéadanach
white goosefoot [= fat-hen] Chenopodium album blonagán m1 bán (ceathrú f5 chaorach, ceathrú luáin)
white-handed gibbon Hylobates lar giobún m1 bánlapach
white-headed vulture Trigonoceps occipitalis bultúr m1 ceannann
white pelican Pelecanus onocrotalus peileacán m1 bán
white poplar Populus alba poibleog f2 bhán
white-shouldered house moth Endrosis sarcitrella leamhan m1 tí ceannbhán
white skate Raja alba sciata m4 bán
white sole [= witch] Glyptocephalus cynoglossus leathóg f2 bhán
white stonecrop Sedum album grafán m1 bán na gcloch
white stork Ciconia ciconia storc m1 bán
white-tailed eagle (sea eagle) Haliaeetus albicilla iolar m1 mara
whitethroat Sylvia communis gilphíb f2
white wagtail Motacilla alba alba glasóg f2 bhán
white water-lily Nymphaea alba duilleog f2 bháite bhán
white willow Salix alba saileach f2 bhán
whiting Merlangius merlangus faoitín m4
whooper swan Cygnus cygnus eala f4 ghlórach
whortleberry [= bilberry] Vaccinium myrtillus tom m1 fraochán
wide-nerved liverwort Pellia epiphylla tóimín m4
wigeon Anas penelope lacha f5 rua (rualacha)
wild angelica Angelica sylvestris gallfheabhrán m1 (gunna m4 pléascáin, pléascán m1 mór)
wild bee (Fam.) Apoidea (fine) beach f2 fhiáin
wild boar Sus scrofa torc m1 (torc allta)
wild carrot Daucus carota mealbhacán m1 (bliúcán m1, cuirdín m4)
wild celery Apium graveolens lus m3 na smaileog (meirse f4)
wild cherry (gean) Prunus avium crann m1 silíní fiáin
wild garlic [= ramsons] Allium ursinum creamh m3
wild goat [= feral goat] Capra hircus gabhar m1 fia (fiaghabhar)
wild madder Rubia peregrina madar m1
wild onion Allium vineale oinniún m1 fiáin
wild pansy Viola tricolor goirmín m4 searraigh
wild plum (bullace) Prunus domestica baláiste m4
wild privet Ligustrum vulgare pribhéad m1
wild radish Raphanus raphanistrum corrán m1 dearg
wild raspberry Rubus idaeus tor m1 sútha craobh (fiáin) (maothán m1 conaire)
wild rhododendron (rhododendron) Rhododendron ponticum ródaideandrón m1 fiáin
wild strawberry Fragaria vesca lus m3 sútha talún fiáin
wild thyme Thymus drucei tím f2 chreige (lus m3 mhic rí Breatan, lus m3 na mbrat)
wild turnip Brassica rapa tornapa m4 fiáin
wild valerian [= common valerian] Valeriana officinalis caorthann m1 corraigh
willow Salix (spp.) saileach f2 (sail f5, saileog f2)
willowherb Epilobium (spp.) saileachán m1
willow moss Fontinalis antipyretica sailchaonach m1
willow tit Parus montanus meantán m1 léana
willow warbler Pyhlloscopus trochilus ceolaire m4 sailí
winkle (Fam. periwinkle) Littorina (spp.) faocha f5 (miongán m1, seilmide m4 cladaigh)
winter-cress Barbarea vulgaris treabhach m1
winter heliotrope Petasites fragrans plúr m1 na gréine
wireworm [= grub of click beetle] Elater (spp.) caoch f2 rua (péist f2 rua)
witch (white sole) Glyptocephalus cynoglossus leathóg f2 bhán
withy [= crack willow] Salix fragilis saileach f2 bhriosc
wolf Canis lupus mac m1 tíre (faolchú m4, madra m4 alla, madra allta)
wolf spider Lycosa (spp.) faoldamhán m1
wombat Vombatidae (fine) vombat m
wood anemone Anemone nemorosa lus m3 na gaoithe (nead f2 choille)
wood avens Geum urbanum macall m1 coille (beinidín m4, beinidín fiáin)
woodbine [= honeysuckle] Lonicera periclymenum féithleann m1 (táthfhéithleann)
woodcock Scolopax rusticola creabhar m1
wood ibis Ibis ibis storc m1 coille
woodlark Lullula arborea fuiseog f2 choille
woodlouse [= slater] Isopoda (ord) cláirseach f2
wood mouse [= long-tailed field mouse] Apodemus sylvaticus luch f2 fhéir
woodpecker Picidae (fine) cnagaire m4
wood-pigeon Columba palumbus colm m1 coille (colúr m1 coille)
woodruff Galium odoratum lus m3 molach
wood-rush Luzula (spp.) giúnach m1
wood sage Teucrium scorodonia sáiste f4 choille (iúr m1 sléibhe)
wood sandpiper Tringa glareola gobadán m1 coille
wood sanicle [= sanicle] Sanicula europaea bodán m1 coille
wood-sedge Carex sylvatica cíb f2 choille
wood-sorrel Oxalis acetosella seamsóg f2 (seamair f2 choille)
wood warbler Phylloscopus sibilatrix ceolaire m4 coille
wood white butterfly Leptidea sinapsis bánóg f2 choille
woodworm (furniture beetle, timber beetle) Anobium punctatum míol m1 críon
woody nightshade [= bittersweet] Solanum dulcamara dréimire m4 gorm (fuath m3 gorm, searbhóg f2 mhilis)
woolly fringe moss Rhacomitrium lanuginosum glibchaonach m1
worker bee Apoidea (fine) beach f2 oibre
worm pipefish Nerophis lumbriciformis pis f2 an ribe
wrasse Labridae (fine) ballach m1
wreck-fish (stone bass) Polyprion americanus breac m1 raice
wren Troglodytes troglodytes dreoilín m4
wryneck Jynx torquilla cam-mhuin f2
wych elm Ulmus glabra leamhán m1 sléibhe

X

Barr

Xantho incisus Xantho incisus Xantho incisus

Y

Barr

yak Poephagus grunnieus geac m3
yarrow Achillea millefolium athair f5 thalún (luibh f2 na ndaitheacha)
yellow bedstraw [= ladyís bedstraw] Galium verum m4 Mhuire
yellow-bellied sapsucker Sphyrapicus varius súdhiúlaí m4 tarrbhuí
yellow-billed duck Anas undulata lacha f5 ghob-bhuí
yellow-billed egret Mesophoyx intermedius éigrit f2 ghob-bhuí
yellow bunting [= yellowhammer] Emberiza citrinella buíóg f2 (Siobháinín f4 bhuí)
yellow clover [= lesser trefoil] Trifolium dubium seamróg f2
yellow dung-fly Scatophaga stercoraria cuil f2 bhuí
yellow flag [= yellow iris] Iris pseudacorus feileastram m1 (siolastrach f2)
yellowhammer (yellow bunting) Emberiza citrinella buíóg f2 (Siobháinín f4 bhuí)
yellow horn-poppy Glaucium flavum caillichín m4 na trá
yellow iris (yellow flag) Iris pseudacorus feileastram m1 (siolastrach f2)
yellow pimpernel Lysimachia nemorum lus m3 Cholm Cille
yellow rattle Rhinanthus minor gliográn m1 (bodach m1 gliogair)
yellow stonecrop [= biting stonecrop] Sedum acre grafán m1 na gcloch
yellow wagtail Motacilla flava flavissima glasóg f2 bhuí
yellow water-lily Nuphar lutea duilleog f2 bháite bhuí
yellow-weed [= weld] Reseda luteola buí m4 mór
yew Taxus baccata iúr m1
Yorkshire-fog Holcus lanatus féar m1 an chinn bháin
young pike Esox lucius giosán m1
young seal Phocidae (fine) éan m1 róin

Barr

Z

Barr

zebra finch Poephila castanotis glasán m1 séabrach
zebra spider Salticus scenicus damhán m1 séabrach