| All names | Abellerol | Merops apiaster |
| All names | Abellerol gola-roig | Merops persicus |
| All names | Abellerol gola-roig | Merops superciliosus |
| All names | Abellerol verd | Merops orientalis |
| All names | Agró blanc | Ardea alba |
| All names | Agró roig | Ardea purpurea |
| All names | Àguila calçada | Aquila pennata |
| All names | Àguila cridanera | Aquila clanga |
| All names | Àguila cuabarrada | Aquila fasciata |
| All names | Àguila d'estapa | Aquila nipalensis |
| All names | Àguila d'estapa | Aquila rapax |
| All names | Àguila daurada | Aquila chrysaetos |
| All names | Àguila imperial | Aquila heliaca |
| All names | Àguila imperial ibèrica | Aquila adalberti |
| All names | Àguila marcenca | Circaetus gallicus |
| All names | Àguila marina | Haliaeetus albicilla |
| All names | Àguila marina de Pallas | Haliaeetus leucoryphus |
| All names | Àguila pescadora | Pandion haliaetus |
| All names | Àguila pomerània | Aquila pomarina |
| All names | Àguila rapaç | Aquila nipalensis |
| All names | Àguila rapaç | Aquila rapax |
| All names | Aigüerola | Cinclus cinclus |
| All names | Albatros cellanegre | Thalassarche melanophris |
| All names | Albatros viatger | Diomedea exulans |
| All names | Alció blau | Ceryle alcyon |
| All names | Alció d'Esmirna | Halcyon smyrnensis |
| All names | Alció pigallat | Ceryle rudis |
| All names | Aligot calçat | Buteo lagopus |
| All names | Aligot comú | Buteo buteo |
| All names | Aligot rogenc | Buteo rufinus |
| All names | Aligot vesper | Pernis apivorus |
| All names | Alosa banyuda | Eremophila alpestris |
| All names | Alosa banyuda de Temminck | Eremophila bilopha |
| All names | Alosa becuda | Chersophilus duponti |
| All names | Alosa de Dunn | Eremalauda dunni |
| All names | Alosa de Dupont | Chersophilus duponti |
| All names | Alosa oriental | Alauda gulgula |
| All names | Alosa puput | Alaemon alaudipes |
| All names | Alosa vulgar | Alauda arvensis |
| All names | Ànec arbori bicolor | Dendrocygna bicolor |
| All names | Ànec arbori carablanc | Dendrocygna viduata |
| All names | Ànec arlequí | Histrionicus histrionicus |
| All names | Ànec blanc | Tadorna tadorna |
| All names | Ànec canyella | Tadorna ferruginea |
| All names | Ànec capblanc | Oxyura leucocephala |
| All names | Ànec carolí | Aix sponsa |
| All names | Ànec coll-verd | Anas platyrhynchos |
| All names | Ànec collverd | Anas platyrhynchos |
| All names | Ànec collverd americà | Anas rubripes |
| All names | Ànec cuallarg | Anas acuta |
| All names | Ànec cullerot | Anas clypeata |
| All names | Ànec de jamaica | Oxyura jamaicensis |
| All names | Ànec fosc | Melanitta fusca |
| All names | Ànec glacial | Clangula hyemalis |
| All names | Ànec griset | Anas strepera |
| All names | Ànec mandarí | Aix galericulata |
| All names | Ànec negre | Melanitta nigra |
| All names | Ànec negre americà | Melanitta perspicillata |
| All names | Ànec xiualador | Anas penelope |
| All names | Ànec xiulador | Anas penelope |
| All names | Ànec xiulador americà | Anas americana |
| All names | Arpella pàl·lida | Circus cyaneus |
| All names | Arpella pàl·lida russa | Circus macrourus |
| All names | Arpella pàŀlida | Circus cyaneus |
| All names | Arpella pàŀlida russa | Circus macrourus |
| All names | Arpella vulgar | Circus aeruginosus |
| All names | Astor | Accipiter gentilis |
| All names | Astor cantaire | Melierax metabates |
| All names | Aufrany | Neophron percnopterus |
| All names | Baldriga capnegra | Puffinus gravis |
| All names | Baldriga cendrosa | Calonectris diomedea |
| All names | Baldriga grisa | Puffinus griseus |
| All names | Baldriga Mediterrània | Puffinus yelkouan |
| All names | Baldriga petita | Puffinus assimilis |
| All names | Baldriga puff | Puffinus puffinus |
| All names | Ballester | Tachymarptis melba |
| All names | Balquer | Acrocephalus arundinaceus |
| All names | Balquer oriental | Acrocephalus stentoreus |
| All names | Batallaire | Philomachus pugnax |
| All names | Bec d'alena | Recurvirostra avosetta |
| All names | Bec de corall senegalès | Estrilda astrild |
| All names | Bec de serra gros | Mergus merganser |
| All names | Bec de serra mitjà | Mergus serrator |
| All names | Bec de serra petit | Mergellus albellus |
| All names | Bec d’alena | Recurvirostra avosetta |
| All names | Becada | Scolopax rusticola |
| All names | Becadell comú | Gallinago gallinago |
| All names | Becadell gros | Gallinago media |
| All names | Becadell Siberià | Gallinago stenura |
| All names | Becadell sord | Lymnocryptes minimus |
| All names | Becplaner | Platalea leucorodia |
| All names | Becplaner africà | Platalea alba |
| All names | Becut | Numenius arquata |
| All names | Bernat pescaire | Ardea cinerea |
| All names | Bitó americà | Botaurus lentiginosus |
| All names | Bitó comú | Botaurus stellaris |
| All names | Bitxac comú | Saxicola rubicola |
| All names | Bitxac comú siberià | Saxicola maurus |
| All names | Bitxac rogenc | Saxicola rubetra |
| All names | Blauet | Alcedo atthis |
| All names | Bobolinc | Dolichonyx oryzivorus |
| All names | Boscaler comú | Locustella luscinioides |
| All names | Boscaler de Pallas | Locustella certhiola |
| All names | Boscaler fluvial | Locustella fluviatilis |
| All names | Boscaler pintat gros | Locustella naevia |
| All names | Boscaler pintat petit | Locustella lanceolata |
| All names | Boscarla d'aigua | Acrocephalus paludicola |
| All names | Boscarla de bec gros | Acrocephalus aedon |
| All names | Boscarla de canyar | Acrocephalus scirpaceus |
| All names | Boscarla dels arrosars | Acrocephalus agricola |
| All names | Boscarla dels arrossars | Acrocephalus agricola |
| All names | Boscarla dels joncs | Acrocephalus schoenobaenus |
| All names | Boscarla dels matolls | Acrocephalus baeticatus |
| All names | Boscarla dels matolls | Acrocephalus dumetorum |
| All names | Boscarla d’aigua | Acrocephalus paludicola |
| All names | Boscarla menjamosquits | Acrocephalus palustris |
| All names | Boscarla mostatxuda | Acrocephalus melanopogon |
| All names | Bosquerola coronada | Dendroica coronata |
| All names | Bosquerola cua-roja | Setophaga ruticilla |
| All names | Bosquerola de casquet | Dendroica striata |
| All names | Bosquerola de pit groc | Parula americana |
| All names | Bosquerola emmascarada | Geothlypis trichas |
| All names | Bosquerola reietó | Seiurus aurocapilla |
| All names | Bosquerola xivitona | Seiurus noveboracensis |
| All names | Bosquerola zebrada | Mniotilta varia |
| All names | Bosqueta asiàtica | Hippolais caligata |
| All names | Bosqueta d'Upcher | Hippolais languida |
| All names | Bosqueta dels olivers | Hippolais olivetorum |
| All names | Bosqueta icterina | Hippolais icterina |
| All names | Bosqueta pàl·lida | Hippolais opaca |
| All names | Bosqueta pàŀlida | Hippolais pallida |
| All names | Bosqueta vulgar | Hippolais polyglotta |
| All names | Botxí | Lanius excubitor |
| All names | Botxí | Lanius meridionalis |
| All names | Bruel | Regulus ignicapilla |
| All names | Bulbul barbat | Pycnonotus barbatus |
| All names | Bulbul ullblanc | Pycnonotus xanthopygos |
| All names | Busqueta pàl·lida | Hippolais pallida |
| All names | Cabusset | Tachybaptus ruficollis |
| All names | Cabusset becgròs | Podilymbus podiceps |
| All names | Cabussó collnegre | Podiceps nigricollis |
| All names | Cabussó emplomallat | Podiceps cristatus |
| All names | Cabussó gris | Podiceps grisegena |
| All names | Cabussó orellut | Podiceps auritus |
| All names | Cadernera | Carduelis carduelis |
| All names | Calàbria agulla | Gavia arctica |
| All names | Calàbria de bec blanc | Gavia adamsii |
| All names | Calàbria grossa | Gavia immer |
| All names | Calàbria petita | Gavia stellata |
| All names | Calàndria | Melanocorypha calandra |
| All names | Calàndria alablanca | Melanocorypha leucoptera |
| All names | Calàndria bimaculada | Melanocorypha bimaculata |
| All names | Calàndria de Clotbey | Ramphocoris clotbey |
| All names | Calàndria negra | Melanocorypha yeltoniensis |
| All names | Cames llargues | Himantopus himantopus |
| All names | Canari | Serinus canaria |
| All names | Capó reial | Plegadis falcinellus |
| All names | Capsigrany | Lanius senator |
| All names | Capsigrany emmascarat | Lanius nubicus |
| All names | Capsigrany pàŀlid | Lanius isabellinus |
| All names | Cargolet | Troglodytes troglodytes |
| All names | Cercavores | Prunella collaris |
| All names | Cercavores Siberià | Prunella montanella |
| All names | Cigne cantaire | Cygnus cygnus |
| All names | Cigne mut | Cygnus olor |
| All names | Cigne petit | Cygnus columbianus |
| All names | Cigonya blanca | Ciconia ciconia |
| All names | Cigonya negra | Ciconia nigra |
| All names | Cogullada fosca | Galerida theklae |
| All names | Cogullada vulgar | Galerida cristata |
| All names | Colí de Virgínia | Colinus virginianus |
| All names | Còlit cua-roig | Oenanthe xanthoprymna |
| All names | Còlit de carpó roig | Oenanthe moesta |
| All names | Còlit de Finsch | Oenanthe finschii |
| All names | Còlit de pit negre | Oenanthe pleschanka |
| All names | Còlit de Xipre | Oenanthe cypriaca |
| All names | Còlit del desert | Oenanthe deserti |
| All names | Còlit frare | Oenanthe monacha |
| All names | Còlit gris | Oenanthe oenanthe |
| All names | Còlit negre | Oenanthe leucura |
| All names | Còlit núbic | Oenanthe lugens |
| All names | Còlit pàl·lid | Oenanthe isabellina |
| All names | Còlit pàŀlid | Oenanthe isabellina |
| All names | Còlit ros | Oenanthe hispanica |
| All names | Còlit tuareg | Oenanthe leucopyga |
| All names | Colltort | Jynx torquilla |
| All names | Colom de Madeira | Columba trocaz |
| All names | Colom roquer | Columba livia |
| All names | Corb | Corvus corax |
| All names | Corb cuacurt | Corvus rhipidurus |
| All names | Corb del desert | Corvus ruficollis |
| All names | Corb marí emplomallat | Phalacrocorax aristotelis |
| All names | Corb marí gros | Phalacrocorax carbo |
| All names | Corb marí pigmeu | Phalacrocorax pygmaeus |
| All names | Cornella emmantellada | Corvus cornix |
| All names | Cornella negra | Corvus corone |
| All names | Corredor | Cursorius cursor |
| All names | Corriol Asiàtic | Charadrius asiaticus |
| All names | Corriol camanegre | Charadrius alexandrinus |
| All names | Corriol cua-roig | Charadrius vociferus |
| All names | Corriol de Leschenault | Charadrius leschenaultii |
| All names | Corriol gros | Charadrius hiaticula |
| All names | Corriol mongol | Charadrius mongolus |
| All names | Corriol pecuari | Charadrius pecuarius |
| All names | Corriol petit | Charadrius dubius |
| All names | Corriol pit-roig | Charadrius morinellus |
| All names | Corriol semipalmat | Charadrius semipalmatus |
| All names | Cotoliu | Lullula arborea |
| All names | Cotorra de Kramer | Psittacula krameri |
| All names | Cotorreta de pit gris | Myiopsitta monachus |
| All names | Cotxa blava | Luscinia svecica |
| All names | Cotxa capblanca | Phoenicurus erythrogastrus |
| All names | Cotxa cua-roja | Phoenicurus phoenicurus |
| All names | Cotxa cuablava | Tarsiger cyanurus |
| All names | Cotxa diademada | Phoenicurus moussieri |
| All names | Cotxa fumada | Phoenicurus ochruros |
| All names | Cruixidell | Emberiza calandra |
| All names | Cuaenlairat | Cercotrichas galactotes |
| All names | Cuanegre | Cercomela melanura |
| All names | Cucut | Cuculus canorus |
| All names | Cucut becgroc | Coccyzus americanus |
| All names | Cucut becnegre | Coccyzus erythropthalmus |
| All names | Cucut oriental | Cuculus optatus |
| All names | Cucut reial | Clamator glandarius |
| All names | Cuereta blanca | Motacilla alba |
| All names | Cuereta citrina | Motacilla citreola |
| All names | Cuereta groga | Motacilla flava |
| All names | Cuereta torrentera | Motacilla cinerea |
| All names | Curroc | Gelochelidon nilotica |
| All names | Daurada grossa | Pluvialis apricaria |
| All names | Daurada petita americana | Pluvialis dominica |
| All names | Daurada petita del Pacífic | Pluvialis fulva |
| All names | Duc | Bubo bubo |
| All names | Duc blanc | Bubo scandiacus |
| All names | Durbec | Coccothraustes coccothraustes |
| All names | Durbec de pit roig | Pheucticus ludovicianus |
| All names | Èider | Somateria mollissima |
| All names | Èider reial | Somateria spectabilis |
| All names | Enganyapastors | Caprimulgus europaeus |
| All names | Enganyapastors Americà | Chordeiles minor |
| All names | Enganyapastors Egipci | Caprimulgus aegyptius |
| All names | Enganyapastors núbic | Caprimulgus nubicus |
| All names | Escorxador | Lanius collurio |
| All names | Escuraflascons bec-fi | Phalaropus lobatus |
| All names | Escuraflascons becfí | Phalaropus lobatus |
| All names | Escuraflascons becgròs | Phalaropus fulicarius |
| All names | Escuraflascons de Wilson | Phalaropus tricolor |
| All names | Esmerla | Falco columbarius |
| All names | Esparver cendrós | Circus pygargus |
| All names | Esparver cuaforcat | Elanoides forficatus |
| All names | Esparver d'espatlles negres | Elanus caeruleus |
| All names | Esparver d’espatlles negres | Elanus caeruleus |
| All names | Esparver grec | Accipiter brevipes |
| All names | Esparver vulgar | Accipiter nisus |
| All names | Esplugabous | Bubulcus ibis |
| All names | Estornell de Tristram | Onychognathus tristramii |
| All names | Estornell negre | Sturnus unicolor |
| All names | Estornell rosat | Pastor roseus |
| All names | Estornell vulgar | Sturnus vulgaris |
| All names | Eùider | Somateria mollissima |
| All names | Eùider de Fischer | Somateria fischeri |
| All names | Eùider de Steller | Polysticta stelleri |
| All names | Eùider reial | Somateria spectabilis |
| All names | Faisà | Phasianus colchicus |
| All names | Faisà daurat | Chrysolophus pictus |
| All names | Faisà de Lady Amherst | Chrysolophus amherstiae |
| All names | Falciot cuablanc africà | Apus caffer |
| All names | Falciot cuablanc comú | Apus affinis |
| All names | Falciot de xemeneia | Chaetura pelagica |
| All names | Falciot espinòs | Hirundapus caudacutus |
| All names | Falciot negre | Apus apus |
| All names | Falciot pàl·lid | Apus pallidus |
| All names | Falciot pàŀlid | Apus pallidus |
| All names | Falcó berber | Falco pelegrinoides |
| All names | Falcó cama-roig | Falco amurensis |
| All names | Falcó cama-roig | Falco vespertinus |
| All names | Falcó de la reina | Falco eleonorae |
| All names | Falcó fumat | Falco concolor |
| All names | Falcó llaner | Falco biarmicus |
| All names | Falcó mostatxut | Falco subbuteo |
| All names | Falcó pelegrí | Falco peregrinus |
| All names | Falcó sagrat | Falco cherrug |
| All names | Flamenc | Phoenicopterus roseus |
| All names | Flamenc menut | Phoenicopterus minor |
| All names | Fotja | Fulica atra |
| All names | Fotja americana | Fulica americana |
| All names | Fotja banyuda | Fulica cristata |
| All names | Fotja vulgar | Fulica atra |
| All names | Francolí comú | Francolinus francolinus |
| All names | Francolí esperonat | Francolinus bicalcaratus |
| All names | Fraret | Fratercula arctica |
| All names | Fredeluga | Vanellus vanellus |
| All names | Fredeluga carunculada | Vanellus indicus |
| All names | Fredeluga cuablanca | Vanellus leucurus |
| All names | Fredeluga esperonada | Vanellus spinosus |
| All names | Fredeluga gregària | Vanellus gregarius |
| All names | Fregata grossa | Fregata magnificens |
| All names | Fulmar | Fulmarus glacialis |
| All names | Fumarell alablanc | Chlidonias leucopterus |
| All names | Fumarell carablanc | Chlidonias hybrida |
| All names | Fumarell negre | Chlidonias niger |
| All names | Gafarró | Serinus serinus |
| All names | Gafarró de front vermell | Serinus pusillus |
| All names | Gafarró de Síria | Serinus syriacus |
| All names | Gaig | Garrulus glandarius |
| All names | Gaig blau | Coracias garrulus |
| All names | Gaig Siberià | Perisoreus infaustus |
| All names | Gall de bosc | Tetrao urogallus |
| All names | Gall de cua forcada | Tetrao tetrix |
| All names | Gall fer | Tetrao urogallus |
| All names | Gall fer del Caucas | Tetrao mlokosiewiczi |
| All names | Gall nival del Caspi | Tetraogallus caspius |
| All names | Gall nival del Caucas | Tetraogallus caucasicus |
| All names | Gamarús | Strix aluco |
| All names | Gamarús de Hume | Strix butleri |
| All names | Gamarús de Lapònia | Strix nebulosa |
| All names | Gamarús dels Urals | Strix uralensis |
| All names | Gamba groga grossa | Tringa melanoleuca |
| All names | Gamba groga petita | Tringa flavipes |
| All names | Gamba roja pintada | Tringa erythropus |
| All names | Gamba roja vulgar | Tringa totanus |
| All names | Gamba verda | Tringa nebularia |
| All names | Ganga | Pterocles alchata |
| All names | Ganga coronada | Pterocles coronatus |
| All names | Ganga de Lichtenstein | Pterocles lichtensteinii |
| All names | Ganga estepària | Syrrhaptes paradoxus |
| All names | Ganga pigallada | Pterocles senegallus |
| All names | Garsa | Pica pica |
| All names | Garsa blava | Cyanopica cyanus |
| All names | Garsa bruna Aràbiga | Turdoides squamiceps |
| All names | Garsa bruna rogenca | Turdoides fulva |
| All names | Garsa de mar | Haematopus ostralegus |
| All names | Gavià argentat | Larus cachinnans |
| All names | Gavià argentat | Larus michahellis |
| All names | Gavià argentat americà | Larus smithsonianus |
| All names | Gavià argentat de potes roses | Larus argentatus |
| All names | Gavià fosc | Larus fuscus |
| All names | Gavina | Larus |
| All names | Gavina capblanca | Larus genei |
| All names | Gavina capgrisa | Larus cirrocephalus |
| All names | Gavina capnegra | Larus melanocephalus |
| All names | Gavina capnegra americana | Larus atricilla |
| All names | Gavina cendrosa | Larus canus |
| All names | Gavina corsa | Larus audouinii |
| All names | Gavina cuaforcada | Xema sabini |
| All names | Gavina d'ivori | Pagophila eburnea |
| All names | Gavina de Bonaparte | Larus philadelphia |
| All names | Gavina de Delaware | Larus delawarensis |
| All names | Gavina de Franklin | Larus pipixcan |
| All names | Gavina menuda | Larus minutus |
| All names | Gavina rosada | Rhodostethia rosea |
| All names | Gavina vulgar | Larus ridibundus |
| All names | Gavineta de tres dits | Rissa tridactyla |
| All names | Gavineta de tris dits | Rissa tridactyla |
| All names | Gavinot | Larus marinus |
| All names | Gavinot capnegre | Larus ichthyaetus |
| All names | Gavinot hiperbori | Larus hyperboreus |
| All names | Gavinot polar | Larus glaucoides |
| All names | Gavot | Alca torda |
| All names | Gavotí | Alle alle |
| All names | Gralla | Corvus monedula |
| All names | Gralla de bec groc | Pyrrhocorax graculus |
| All names | Gralla de bec gros | Pyrrhocorax graculus |
| All names | Gralla de bec gros vermell | Pyrrhocorax pyrrhocorax |
| All names | Gralla de bec vermell | Pyrrhocorax pyrrhocorax |
| All names | Gralla de collar | Corvus dauuricus |
| All names | Grasset de costa | Anthus petrosus |
| All names | Grasset de muntanya | Anthus spinoletta |
| All names | Gratapalles | Emberiza cirlus |
| All names | Graula | Corvus frugilegus |
| All names | Grèvol | Bonasa bonasia |
| All names | Griva | Turdus viscivorus |
| All names | Griva americana | Turdus migratorius |
| All names | Griva cerdana | Turdus pilaris |
| All names | Griva daurada | Zoothera dauma |
| All names | Griveta brun | Catharus fuscescens |
| All names | Griveta caragrisa | Catharus minimus |
| All names | Griveta cua-rogenca | Catharus guttatus |
| All names | Griveta dorsiverdosa | Catharus ustulatus |
| All names | Grua | Grus grus |
| All names | Grua damiseŀla | Anthropoides virgo |
| All names | Guatlla | Coturnix coturnix |
| All names | Guatlla andalusa | Turnix sylvaticus |
| All names | Guatlla de Califòrnia | Callipepla californica |
| All names | Guatlla maresa | Crex crex |
| All names | Hortolà | Emberiza hortulana |
| All names | Hortulà | Emberiza hortulana |
| All names | Hortulà cendrós | Emberiza caesia |
| All names | Hubara | Chlamydotis undulata |
| All names | Ibis eremità | Geronticus eremita |
| All names | Ibis ermità | Geronticus eremita |
| All names | Jonc fosc | Junco hyemalis |
| All names | Llucareta | Serinus citrinella |
| All names | Lluer | Carduelis spinus |
| All names | Mallerenga blava | Cyanistes caeruleus |
| All names | Mallerenga capblanca | Cyanistes cyanus |
| All names | Mallerenga capnegra | Poecile montana |
| All names | Mallerenga carbonera | Parus major |
| All names | Mallerenga cuallarga | Aegithalos caudatus |
| All names | Mallerenga d'aigua | Poecile palustris |
| All names | Mallerenga de bigotis | Panurus biarmicus |
| All names | Mallerenga de Lapònia | Poecile cincta |
| All names | Mallerenga d’aigua | Poecile palustris |
| All names | Mallerenga emplomallada | Lophophanes cristatus |
| All names | Mallerenga fosca | Poecile lugubris |
| All names | Mallerenga petita | Periparus ater |
| All names | Maniquí Indi | Euodice malabarica |
| All names | Marabú africà | Leptoptilos crumeniferus |
| All names | Martinet blanc | Egretta garzetta |
| All names | Martinet de nit | Nycticorax nycticorax |
| All names | Martinet dels esculls | Egretta gularis |
| All names | Martinet estriat | Butorides striata |
| All names | Martinet menut | Ixobrychus minutus |
| All names | Martinet ros | Ardeola ralloides |
| All names | Mascarell | Morus bassanus |
| All names | Mascarell bru | Sula leucogaster |
| All names | Mascarell del Cap | Morus capensis |
| All names | Mascarell emmascarat | Sula dactylatra |
| All names | Mastegatatxes | Ficedula hypoleuca |
| All names | Merla | Turdus merula |
| All names | Merla blava | Monticola solitarius |
| All names | Merla d'aigua | Cinclus cinclus |
| All names | Merla de pit blanc | Turdus torquatus |
| All names | Merla roquera | Monticola saxatilis |
| All names | Milà negre | Milvus migrans |
| All names | Milà reial | Milvus milvus |
| All names | Morell buixot | Aythya marila |
| All names | Morell cap-roig | Aythya ferina |
| All names | Morell capblanc | Bucephala albeola |
| All names | Morell d'Islàndia | Bucephala islandica |
| All names | Morell d'ulls grocs | Bucephala clangula |
| All names | Morell de cap roig | Aythya ferina |
| All names | Morell de collar | Aythya collaris |
| All names | Morell de plomall | Aythya fuligula |
| All names | Morell d’ulls grocs | Bucephala clangula |
| All names | Morell menut | Aythya affinis |
| All names | Morell xocolater | Aythya nyroca |
| All names | Mosquiter boreal | Phylloscopus borealis |
| All names | Mosquiter comú | Phylloscopus collybita |
| All names | Mosquiter de doble ratlla | Phylloscopus humei |
| All names | Mosquiter de doble ratlla | Phylloscopus inornatus |
| All names | Mosquiter de doble ratlla de Hume | Phylloscopus inornatus humei |
| All names | Mosquiter de passa | Phylloscopus trochilus |
| All names | Mosquiter de Schwarz | Phylloscopus schwarzi |
| All names | Mosquiter fosc | Phylloscopus fuscatus |
| All names | Mosquiter ibèric | Phylloscopus ibericus |
| All names | Mosquiter pàl·lid | Phylloscopus bonelli |
| All names | Mosquiter pàŀlid | Phylloscopus bonelli |
| All names | Mosquiter reietó | Phylloscopus proregulus |
| All names | Mosquiter verd | Phylloscopus trochiloides nitidus |
| All names | Mosquiter verdós | Phylloscopus trochiloides |
| All names | Mosquiter verdós Siberià | Phylloscopus trochiloides plumbeitarsus |
| All names | Mosquiter xiulaire | Phylloscopus sibilatrix |
| All names | Múnia roig | Amandava amandava |
| All names | Mussol banyut | Asio otus |
| All names | Mussol comú | Athene noctua |
| All names | Mussol emigrant | Asio flammeus |
| All names | Mussol esparverenc | Surnia ulula |
| All names | Mussol gregari | Asio capensis |
| All names | Mussol menut | Glaucidium passerinum |
| All names | Mussol pirinenc | Aegolius funereus |
| All names | Oca de bec curt | Anser brachyrhynchus |
| All names | Oca de coll roig | Branta ruficollis |
| All names | Oca de collar | Branta bernicla |
| All names | Oca de galta blanca | Branta leucopsis |
| All names | Oca de les neus | Chen caerulescens |
| All names | Oca de les neus | Anser caerulescens |
| All names | Oca del Canadà | Branta canadensis |
| All names | Oca Egípcia | Alopochen aegyptiaca |
| All names | Oca Índia | Anser indicus |
| All names | Oca pradenca | Anser fabalis |
| All names | Oca riallera grossa | Anser albifrons |
| All names | Oca riallera petita | Anser erythropus |
| All names | Oca salvatge | Anser fabalis |
| All names | Oca vulgar | Anser anser |
| All names | Ocell de tempesta | Hydrobates pelagicus |
| All names | Ocell sedós | Bombycilla garrulus |
| All names | Òliba | Tyto alba |
| All names | Oreneta cua-rogenca | Cecropis daurica |
| All names | Oreneta cuablanca | Delichon urbicum |
| All names | Oreneta de ribera | Riparia riparia |
| All names | Oreneta vulgar | Hirundo rustica |
| All names | Orenete de ribera | Riparia riparia |
| All names | Orenete de ribera africana | Riparia paludicola |
| All names | Oriol | Oriolus oriolus |
| All names | Oriol de Baltimor | Icterus galbula |
| All names | Oroneta cua-rogenca | Cecropis daurica |
| All names | Oroneta cuablanca | Delichon urbicum |
| All names | Oroneta vulgar | Hirundo rustica |
| All names | Oùliba | Tyto alba |
| All names | Papamosques de collar | Ficedula albicollis |
| All names | Papamosques de Dàuria | Muscicapa dauurica |
| All names | Papamosques de mig collar | Ficedula semitorquata |
| All names | Papamosques gris | Muscicapa striata |
| All names | Papamosques menut | Ficedula parva |
| All names | Paràsit cuaample | Stercorarius pomarinus |
| All names | Paràsit cuallarg | Stercorarius longicaudus |
| All names | Paràsit cuapunxegut | Stercorarius parasiticus |
| All names | Paràsit gros | Stercorarius skua |
| All names | Pardal comú | Passer domesticus |
| All names | Pardal d'ala blanc | Montifringilla nivalis |
| All names | Pardal de bardissa | Prunella modularis |
| All names | Pardal de bardissa de Radde | Prunella ocularis |
| All names | Pardal de bardissa golanegre | Prunella atrogularis |
| All names | Pardal de passa | Passer hispaniolensis |
| All names | Pardal del desert | Passer simplex |
| All names | Pardal del Moab | Passer moabiticus |
| All names | Pardal d’ala blanca | Montifringilla nivalis |
| All names | Pardal gorjablanc | Zonotrichia albicollis |
| All names | Pardal roquer | Petronia petronia |
| All names | Pardal roquer golagroc | Petronia xanthocollis |
| All names | Pardal roquer pàŀlid | Carpospiza brachydactyla |
| All names | Pardal xarrac | Passer montanus |
| All names | Pardal xarrec | Passer montanus |
| All names | Passerel becgroc | Carduelis flavirostris |
| All names | Passerel blau | Passerina cyanea |
| All names | Passerel carpoblanc | Carduelis hornemanni |
| All names | Passerel comú | Carduelis cannabina |
| All names | Passerel golanegre | Carduelis flammea |
| All names | Passerell bec-groc | Carduelis flavirostris |
| All names | Passerell comú | Carduelis cannabina |
| All names | Passerell golanegre | Carduelis flammea |
| All names | Pela-roques | Tichodroma muraria |
| All names | Pelicà cresp | Pelecanus crispus |
| All names | Pelicà cresp | Pelecanus philippensis |
| All names | Pelicà rosat | Pelecanus rufescens |
| All names | Pelicà vulgar | Pelecanus onocrotalus |
| All names | Perdice blanca | Lagopus muta |
| All names | Perdice d'Escandinàvia | Lagopus lagopus |
| All names | Perdice d'Escòcia | Lagopus lagopus scoticus |
| All names | Perdiu blanca | Lagopus muta |
| All names | Perdiu chukar | Alectoris chukar |
| All names | Perdiu d'Africa | Alectoris barbara |
| All names | Perdiu d'Àfrica | Alectoris barbara |
| All names | Perdiu de mar | Glareola pratincola |
| All names | Perdiu de mar d'ala negra | Glareola nordmanni |
| All names | Perdiu de roca | Alectoris graeca |
| All names | Perdiu golagrisa | Ammoperdix griseogularis |
| All names | Perdiu roja | Alectoris rufa |
| All names | Perdiu xerra | Perdix perdix |
| All names | Petrell cuaforcat | Oceanodroma leucorhoa |
| All names | Petrell de Bulwer | Bulweria bulwerii |
| All names | Petrell de Madeira | Oceanodroma castro |
| All names | Petrell de Swinhoe | Oceanodroma monorhis |
| All names | Petrell del Carib | Pterodroma hasitata |
| All names | Petrell freira | Pterodroma madeira |
| All names | Petrell gon-gon | Pterodroma feae |
| All names | Petrell oceànic | Oceanites oceanicus |
| All names | Pica-soques Armeni | Sitta tephronota |
| All names | Pica-soques blau | Sitta europaea |
| All names | Pica-soques Cors | Sitta whiteheadi |
| All names | Pica-soques de Krüper | Sitta krueperi |
| All names | Pica-soques de la Cabília | Sitta ledanti |
| All names | Pica-soques roquer | Sitta neumayer |
| All names | Picot cendrós | Picus canus |
| All names | Picot de pit groc | Sphyrapicus varius |
| All names | Picot garser dorsiblanc | Dendrocopos leucotos |
| All names | Picot garser gros | Dendrocopos major |
| All names | Picot garser mitjà | Dendrocopos medius |
| All names | Picot garser petit | Dendrocopos minor |
| All names | Picot garser Siríac | Dendrocopos syriacus |
| All names | Picot negre | Dryocopus martius |
| All names | Picot tridàctil | Picoides tridactylus |
| All names | Picot verd | Picus viridis |
| All names | Picot verd Nord-Africà | Picus vaillantii |
| All names | Picre gris | Pluvialis squatarola |
| All names | Pigre gris | Pluvialis squatarola |
| All names | Pinsà borroner | Pyrrhula pyrrhula |
| All names | Pinsà carminat | Carpodacus erythrinus |
| All names | Pinsà comú | Fringilla coelebs |
| All names | Pinsà del pins | Pinicola enucleator |
| All names | Pinsà mec | Fringilla montifringilla |
| All names | Pinsà rosat del desert | Rhodospiza obsoleta |
| All names | Pinsà rosat del Sinaí | Carpodacus synoicus |
| All names | Pinsà rosat gros | Carpodacus rubicilla |
| All names | Pinsà rosat sanguini | Rhodopechys sanguineus |
| All names | Pinsà trompeter | Bucanetes githagineus |
| All names | Pioc salvatge | Otis tarda |
| All names | Piranga alanegra | Piranga olivacea |
| All names | Pit-roig | Erithacus rubecula |
| All names | Pit-roig golablanc | Irania gutturalis |
| All names | Piula de bec llarg | Anthus similis |
| All names | Piula de Godlewski | Anthus godlewskii |
| All names | Piula de Hodgson | Anthus hodgsoni |
| All names | Piula de ventre pàŀlid | Anthus rubescens |
| All names | Piula del Pètxora | Anthus gustavi |
| All names | Piula dels arbres | Anthus trivialis |
| All names | Piula gola-roja | Anthus cervinus |
| All names | Piula grossa | Anthus richardi |
| All names | Polit bec-fi | Numenius tenuirostris |
| All names | Pòlit becfí | Numenius tenuirostris |
| All names | Polit cantaire | Numenius phaeopus |
| All names | Pòlit cantaire | Numenius phaeopus |
| All names | Polla blava | Porphyrio porphyrio |
| All names | Polla blava d'Allen | Porphyrio alleni |
| All names | Polla d'aigua | Gallinula chloropus |
| All names | Polla d’aigua | Gallinula chloropus |
| All names | Polla pintada | Porzana porzana |
| All names | Polla pintada de Carolina | Porzana carolina |
| All names | Prínia gràcil | Prinia gracilis |
| All names | Puput | Upupa epops |
| All names | Rasclet | Porzana pusilla |
| All names | Rascletó | Porzana parva |
| All names | Rascló | Rallus aquaticus |
| All names | Raspinell comú | Certhia brachydactyla |
| All names | Raspinell pirinenc | Certhia familiaris |
| All names | Reietó | Regulus regulus |
| All names | Remena-rocs | Arenaria interpres |
| All names | Repicatalons | Emberiza schoeniclus |
| All names | Repicatalons de Lapònia | Calcarius lapponicus |
| All names | Repicatalons petit | Emberiza pusilla |
| All names | Repicatalons rústic | Emberiza rustica |
| All names | Roquerol | Ptyonoprogne rupestris |
| All names | Roquerol Africà | Ptyonoprogne fuligula |
| All names | Rossinyol | Luscinia megarhynchos |
| All names | Rossinyol blau | Luscinia cyane |
| All names | Rossinyol bord | Cettia cetti |
| All names | Rossinyol rus | Luscinia luscinia |
| All names | Rossinyol Siberià | Luscinia calliope |
| All names | Siboc | Caprimulgus ruficollis |
| All names | Siseta | Tringa stagnatilis |
| All names | Siseta cendrosa | Xenus cinereus |
| All names | Sisó | Tetrax tetrax |
| All names | Sit blanc | Plectrophenax nivalis |
| All names | Sit capblanc | Emberiza cioides |
| All names | Sit capblanc | Emberiza leucocephalos |
| All names | Sit capnegre | Emberiza melanocephala |
| All names | Sit cara-roig | Emberiza bruniceps |
| All names | Sit caranegre | Emberiza aureola |
| All names | Sit cellagroc | Emberiza chrysophrys |
| All names | Sit cendrós | Emberiza cineracea |
| All names | Sit de Buchanan | Emberiza buchanani |
| All names | Sit de Pallas | Emberiza pallasi |
| All names | Sit de vila | Emberiza striolata |
| All names | Sit emmascarat | Emberiza spodocephala |
| All names | Sit negre | Emberiza cia |
| All names | Somorgollaire | Uria aalge |
| All names | Somorgollaire alablanc | Cepphus grylle |
| All names | Somorgollaire de Brünnich | Uria lomvia |
| All names | Suimanga Palestina | Cinnyris osea |
| All names | Tallareta cuallarga | Sylvia undata |
| All names | Tallareta del desert | Sylvia deserti |
| All names | Tallareta del desert | Sylvia deserticola |
| All names | Tallareta sarda | Sylvia balearica |
| All names | Tallareta sarda | Sylvia sarda |
| All names | Tallareta vulgar | Sylvia communis |
| All names | Tallarol capnegre | Sylvia melanocephala |
| All names | Tallarol d'Aràbia | Sylvia leucomelaena |
| All names | Tallarol de casquet | Sylvia atricapilla |
| All names | Tallarol de garriga | Sylvia cantillans |
| All names | Tallarol de Ménétries | Sylvia mystacea |
| All names | Tallarol de Xipre | Sylvia melanothorax |
| All names | Tallarol emmascarat | Sylvia hortensis |
| All names | Tallarol esparverenc | Sylvia nisoria |
| All names | Tallarol golanegre | Sylvia rueppelli |
| All names | Tallarol gros | Sylvia borin |
| All names | Tallarol pàŀlida | Sylvia nana |
| All names | Tallarol trencamates | Sylvia conspicillata |
| All names | Tallarol vulgar | Sylvia communis |
| All names | Tallarol xerraire | Sylvia curruca |
| All names | Teixidor | Remiz pendulinus |
| All names | Terrerola cuabarrada | Ammomanes cinctura |
| All names | Terrerola del desert | Ammomanes deserti |
| All names | Terrerola rogenca | Calandrella rufescens |
| All names | Terrerola vulgar | Calandrella brachydactyla |
| All names | Territ acuminat | Calidris acuminata |
| All names | Territ becadell | Limicola falcinellus |
| All names | Territ becllarg | Calidris ferruginea |
| All names | Territ camallarg | Calidris himantopus |
| All names | Territ cuablanc | Calidris fuscicollis |
| All names | Territ cuallarg | Bartramia longicauda |
| All names | Territ d'Alaska | Calidris mauri |
| All names | Territ de Baird | Calidris bairdii |
| All names | Territ de Bering | Calidris tenuirostris |
| All names | Territ de Temminck | Calidris temminckii |
| All names | Territ fosc | Calidris maritima |
| All names | Territ gola-roig | Calidris ruficollis |
| All names | Territ gros | Calidris canutus |
| All names | Territ menut | Calidris minuta |
| All names | Territ menut canadenc | Calidris minutilla |
| All names | Territ menut Siberià | Calidris subminuta |
| All names | Territ pectoral | Calidris melanotos |
| All names | Territ rogenc | Tryngites subruficollis |
| All names | Territ semipalmat | Calidris pusilla |
| All names | Territ tresdits | Calidris alba |
| All names | Territ variant | Calidris alpina |
| All names | Tètol cuabarrat | Limosa lapponica |
| All names | Tètol cuanegre | Limosa limosa |
| All names | Tetolet becllarg | Limnodromus griseus |
| All names | Tetolet becllarg | Limnodromus scolopaceus |
| All names | Tetolet gris | Limnodromus griseus |
| All names | Titella | Anthus pratensis |
| All names | Tord ala-roig | Turdus iliacus |
| All names | Tord comú | Turdus philomelos |
| All names | Tord de Naumann | Turdus naumanni |
| All names | Tord de pit gris | Turdus obscurus |
| All names | Tord golanegre | Turdus ruficollis |
| All names | Tord golaroja | Turdus ruficollis |
| All names | Tord Siberià | Zoothera sibirica |
| All names | Torlit | Burhinus oedicnemus |
| All names | Tórtora | Streptopelia turtur |
| All names | Tórtora de Senegal | Streptopelia senegalensis |
| All names | Tórtora del Senegal | Streptopelia senegalensis |
| All names | Tórtora domèstica | Streptopelia roseogrisea |
| All names | Tórtora rogenca | Streptopelia orientalis |
| All names | Tórtora turca | Streptopelia decaocto |
| All names | Tortoreta cuallarga | Oena capensis |
| All names | Trenca | Lanius minor |
| All names | Trencalòs | Gypaetus barbatus |
| All names | Trencanous | Nucifraga caryocatactes |
| All names | Trencapinyes | Loxia |
| All names | Trencapinyes | Loxia curvirostra |
| All names | Trencapinyes becgròs | Loxia pytyopsittacus |
| All names | Trencapinyes d'ala blanc | Loxia leucoptera |
| All names | Trencapinyes escocès | Loxia scotica |
| All names | Trist | Cisticola juncidis |
| All names | Trist del desert | Scotocerca inquieta |
| All names | Trobat | Anthus campestris |
| All names | Tudó | Columba palumbus |
| All names | Txagra capnegra | Tchagra senegalus |
| All names | Valona | Tringa glareola |
| All names | Verderola | Emberiza citrinella |
| All names | Verdum | Carduelis chloris |
| All names | Viri d'ull vermell | Vireo olivaceus |
| All names | Viri d’ull vermell | Vireo olivaceus |
| All names | Voltor comú | Falco rusticolus |
| All names | Voltor comú | Gyps fulvus |
| All names | Voltor de Rüppell | Gyps rueppellii |
| All names | Voltor negre | Aegypius monachus |
| All names | Voltor torgos | Torgos tracheliotus |
| All names | Xarrasclet | Anas querquedula |
| All names | Xartet alablau | Anas discors |
| All names | Xartet del Baikal | Anas formosa |
| All names | Xarxet | Anas carolinensis |
| All names | Xarxet | Anas crecca |
| All names | Xarxet alablau | Anas discors |
| All names | Xarxet canyella | Anas cyanoptera |
| All names | Xarxet comú | Anas carolinensis |
| All names | Xarxet comú | Anas crecca |
| All names | Xarxet de Carolina | Anas carolinensis |
| All names | Xarxet de Carolina | Anas crecca |
| All names | Xarxet del Baikal | Anas formosa |
| All names | Xarxet falcat | Anas falcata |
| All names | Xarxet marbrenc | Marmaronetta angustirostris |
| All names | Xatrac | Sterna |
| All names | Xatrac àrtic | Sterna paradisaea |
| All names | Xatrac bec-llarg | Thalasseus sandvicensis |
| All names | Xatrac becgroc | Thalasseus bergii |
| All names | Xatrac becllarg | Thalasseus sandvicensis |
| All names | Xatrac bengalí | Thalasseus bengalensis |
| All names | Xatrac comú | Sterna hirundo |
| All names | Xatrac de Forster | Sterna forsteri |
| All names | Xatrac de Foster | Sterna forsteri |
| All names | Xatrac elegant | Thalasseus elegans |
| All names | Xatrac embridat | Onychoprion anaethetus |
| All names | Xatrac fosc | Onychoprion fuscatus |
| All names | Xatrac gros | Hydroprogne caspia |
| All names | Xatrac menut | Sternula albifrons |
| All names | Xatrac reial | Thalasseus maximus |
| All names | Xatrac rosat | Sterna dougallii |
| All names | Xibec | Netta rufina |
| All names | Xivita | Tringa ochropus |
| All names | Xivita solitària | Tringa solitaria |
| All names | Xivitona | Actitis hypoleucos |
| All names | Xivitona maculada | Actitis macularius |
| All names | Xixella | Columba oenas |
| All names | Xoriguer comú | Falco tinnunculus |
| All names | Xoriguer petit | Falco naumanni |
| All names | Xot | Otus scops |
| All names | Xot de Bruce | Otus brucei |
| All names | Xurra | Pterocles orientalis |
