| All names | Abanto-marino Antártico | Macronectes giganteus |
| All names | Abejaruco común | Merops apiaster |
| All names | Abejaruco Europeo | Merops apiaster |
| All names | Abejaruco papirrojo | Merops persicus |
| All names | Abejaruco papirrojo | Merops superciliosus |
| All names | Abejaruco Persa | Merops persicus |
| All names | Abejaruco Persa | Merops superciliosus |
| All names | Abejaruco verde | Merops orientalis |
| All names | Abejero | Pernis apivorus |
| All names | Abejero Europeo | Pernis apivorus |
| All names | Abejero Oriental | Pernis ptilorhynchus |
| All names | Abubilla | Upupa epops |
| All names | Acentor Alpino | Prunella collaris |
| All names | Acentor Castaño | Prunella fulvescens |
| All names | Acentor Común | Prunella modularis |
| All names | Acentor de Garganta Negra | Prunella atrogularis |
| All names | Acentor de los Himalayas | Prunella himalayana |
| All names | Acentor de Pallas | Prunella montanella |
| All names | Acentor de Radde | Prunella ocularis |
| All names | Acentor gorginegro | Prunella atrogularis |
| All names | Acentor siberiano | Prunella montanella |
| All names | Agachadiza Chica | Lymnocryptes minimus |
| All names | Agachadiza china | Gallinago megala |
| All names | Agachadiza Colirrara | Gallinago stenura |
| All names | Agachadiza común | Gallinago gallinago |
| All names | Agachadiza del Baikal | Gallinago megala |
| All names | Agachadiza Real | Gallinago media |
| All names | Agachadiza Solitaria | Gallinago solitaria |
| All names | Agachadiza uralense | Gallinago stenura |
| All names | Agateador Común | Certhia brachydactyla |
| All names | Agateador Norteño | Certhia familiaris |
| All names | Aguatero | Rostratula benghalensis |
| All names | Aguila calzada | Aquila pennata |
| All names | Aguila culebrera | Circaetus gallicus |
| All names | Águila Esteparia | Aquila nipalensis |
| All names | Águila Esteparia | Aquila rapax |
| All names | Aguila imperial | Aquila heliaca |
| All names | Aguila imperial Ibérica | Aquila adalberti |
| All names | Águila Imperial Ibérica | Aquila adalberti |
| All names | Águila Imperial Oriental | Aquila heliaca |
| All names | Aguila moteada | Aquila clanga |
| All names | Águila Moteada | Aquila clanga |
| All names | Aguila negra | Aquila verreauxii |
| All names | Aguila perdicera | Aquila fasciata |
| All names | Aguila pescadora | Pandion haliaetus |
| All names | Águila Pescadora | Pandion haliaetus |
| All names | Aguila pomerana | Aquila pomarina |
| All names | Águila Pomerana | Aquila pomarina |
| All names | Aguila rapaz | Aquila nipalensis |
| All names | Aguila rapaz | Aquila rapax |
| All names | Águila Rapaz | Aquila nipalensis |
| All names | Águila Rapaz | Aquila rapax |
| All names | Aguila real | Aquila chrysaetos |
| All names | Águila Real | Aquila chrysaetos |
| All names | Aguila volatinera | Terathopius ecaudatus |
| All names | Águila-azor Perdicera | Aquila fasciata |
| All names | Aguililla Calzada | Aquila pennata |
| All names | Aguilucho Cenizo | Circus pygargus |
| All names | Aguilucho lagunero | Circus aeruginosus |
| All names | Aguilucho Lagunero Occidental | Circus aeruginosus |
| All names | Aguilucho Pálido | Circus cyaneus |
| All names | Aguilucho Papialbo | Circus macrourus |
| All names | Aguja | Limosa |
| All names | Aguja Café | Limosa haemastica |
| All names | Aguja Colinegra | Limosa limosa |
| All names | Aguja Colipinta | Limosa lapponica |
| All names | Aguja del Hudson | Limosa haemastica |
| All names | Agujeta Asiática | Limnodromus semipalmatus |
| All names | Agujeta Escolopácea | Limnodromus scolopaceus |
| All names | Agujeta Gris | Limnodromus griseus |
| All names | Albatros Clororrinco | Thalassarche chlororhynchos |
| All names | Albatros Ojeroso | Thalassarche melanophris |
| All names | Albatros Viajero | Diomedea exulans |
| All names | Alca Común | Alca torda |
| All names | Alca gigante | Pinguinus impennis |
| All names | Alca Unicórnea | Cerorhinca monocerata |
| All names | Alcaraván | Burhinus oedicnemus |
| All names | Alcaraván Común | Burhinus oedicnemus |
| All names | Alcaraván Senegalés | Burhinus senegalensis |
| All names | Alcatraz Atlántico | Morus bassanus |
| All names | Alcatraz común | Morus bassanus |
| All names | Alcatraz de El Cabo | Morus capensis |
| All names | Alcatraz Enmascarado | Sula dactylatra |
| All names | Alcaudón cabecinegro | Lanius schach |
| All names | Alcaudón Castaño | Lanius cristatus |
| All names | Alcaudón Chico | Lanius minor |
| All names | Alcaudón colirrojo | Lanius isabellinus |
| All names | Alcaudón Común | Lanius senator |
| All names | Alcaudón de Cabeza Negra | Lanius schach |
| All names | Alcaudón de Dorso Rojo | Lanius collurio |
| All names | Alcaudón dorsirrojo | Lanius collurio |
| All names | Alcaudón enmascarado | Lanius nubicus |
| All names | Alcaudón Isabel | Lanius isabellinus |
| All names | Alcaudón Núbico | Lanius nubicus |
| All names | Alcaudón Real | Lanius excubitor |
| All names | Alcaudón Real | Lanius meridionalis |
| All names | Alción cabeciblanco | Halcyon leucocephala |
| All names | Alción de Esmirna | Halcyon smyrnensis |
| All names | Alcotán | Falco subbuteo |
| All names | Alcotán Europeo | Falco subbuteo |
| All names | Alimoche Común | Neophron percnopterus |
| All names | Alimoche sombrío | Necrosyrtes monachus |
| All names | Alondra Común | Alauda arvensis |
| All names | Alondra Cornuda | Eremophila alpestris |
| All names | Alondra cornuda cariblanca | Eremophila bilopha |
| All names | Alondra de Cabo Verde | Alauda razae |
| All names | Alondra de Dunn | Eremalauda dunni |
| All names | Alondra de Dupont | Chersophilus duponti |
| All names | Alondra Ibis | Alaemon alaudipes |
| All names | Alondra negrita | Eremopterix nigriceps |
| All names | Alondra Ricotí | Chersophilus duponti |
| All names | Alondra Sahariana | Eremophila bilopha |
| All names | Alondra Totovía | Lullula arborea |
| All names | Alzacola | Cercotrichas galactotes |
| All names | Alzacola negra | Cercotrichas podobe |
| All names | Alzarola | Cercotrichas galactotes |
| All names | Ampelis | Bombycilla garrulus |
| All names | Ampelis Americano | Bombycilla cedrorum |
| All names | Ampelis Europeo | Bombycilla garrulus |
| All names | Anade Friso | Anas strepera |
| All names | Anade rabudo | Anas acuta |
| All names | Ánade Rabudo | Anas acuta |
| All names | Anade rabuno | Anas acuta |
| All names | Anade real | Anas platyrhynchos |
| All names | Ánade Real | Anas platyrhynchos |
| All names | Anade silbón | Anas penelope |
| All names | Anade silbón americano | Anas americana |
| All names | Anade Sombrío | Anas rubripes |
| All names | Añapero Yanqui | Chordeiles minor |
| All names | Andarríos Bastardo | Tringa glareola |
| All names | Andarríos Chico | Actitis hypoleucos |
| All names | Andarríos de Terek | Xenus cinereus |
| All names | Andarríos del Terek | Xenus cinereus |
| All names | Andarríos Grande | Tringa ochropus |
| All names | Andarríos Maculado | Actitis macularius |
| All names | Andarríos Solitario | Tringa solitaria |
| All names | Anhinga Común | Anhinga melanogaster |
| All names | Ansar Campestre | Anser fabalis |
| All names | Ansar Careto | Anser albifrons |
| All names | Ansar careto chico | Anser erythropus |
| All names | Ansar careto grande | Anser albifrons |
| All names | Ansar Chico | Anser erythropus |
| All names | Ansar Común | Anser anser |
| All names | Ansar de Ross | Chen rossii |
| All names | Ansar Emperador | Chen canagica |
| All names | Ansar Emperador | Anser canagica |
| All names | Ansar Indio | Anser indicus |
| All names | Ansar Nival | Chen caerulescens |
| All names | Ansar Nival | Anser caerulescens |
| All names | Ansar Piquicorto | Anser brachyrhynchus |
| All names | Arao Aliblanco | Cepphus grylle |
| All names | Arao Común | Uria aalge |
| All names | Arao de Brünnich | Uria lomvia |
| All names | Arão moñudo | Aethia cristatella |
| All names | Archibebe Claro | Tringa nebularia |
| All names | Archibebe Común | Tringa totanus |
| All names | Archibebe Fino | Tringa stagnatilis |
| All names | Archibebe gris | Tringa brevipes |
| All names | Archibebe Oscuro | Tringa erythropus |
| All names | Archibebe oscuro | Xenus cinereus |
| All names | Archibebe Patigualdo Chico | Tringa flavipes |
| All names | Archibebe Patigualdo Grande | Tringa melanoleuca |
| All names | Archibebe semipalmeado | Tringa semipalmatus |
| All names | Arrandejo Común | Garrulus glandarius |
| All names | Arrandejo Funesto | Perisoreus infaustus |
| All names | Arrendajo | Garrulus glandarius |
| All names | Arrendajo funesto | Perisoreus infaustus |
| All names | Arrocero Americano | Spiza americana |
| All names | Astrilda común | Estrilda astrild |
| All names | Atrapamoscas de Acadia | Empidonax virescens |
| All names | Autillo | Otus scops |
| All names | Autillo de Bruce | Otus brucei |
| All names | Autillo Europeo | Otus scops |
| All names | Autillo Persa | Otus brucei |
| All names | Avefría | Vanellus vanellus |
| All names | Avefría cabecinegra | Vanellus tectus |
| All names | Avefría carunculada | Vanellus indicus |
| All names | Avefría Coletuda | Vanellus tectus |
| All names | Avefría Coliblanca | Vanellus leucurus |
| All names | Avefría Espinosa | Vanellus spinosus |
| All names | Avefría espolonada | Vanellus spinosus |
| All names | Avefría Europea | Vanellus vanellus |
| All names | Avefría India | Vanellus indicus |
| All names | Avefría Sociable | Vanellus gregarius |
| All names | Avefría social | Vanellus gregarius |
| All names | Avestruz | Struthio camelus |
| All names | Avetorillo chico | Ixobrychus exilis |
| All names | Avetorillo Común | Ixobrychus minutus |
| All names | Avetorillo de Schrenck | Ixobrychus eurhythmus |
| All names | Avetorillo enano | Ixobrychus sturmii |
| All names | Avetorillo Manchú | Ixobrychus eurhythmus |
| All names | Avetorillo Panamericano | Ixobrychus exilis |
| All names | Avetorillo Plomizo | Ixobrychus sturmii |
| All names | Avetoro Común | Botaurus stellaris |
| All names | Avetoro Lentiginoso | Botaurus lentiginosus |
| All names | Avión Asiático | Delichon dasypus |
| All names | Avión Común | Delichon urbicum |
| All names | Avión de pantano | Riparia paludicola |
| All names | Avión pálido | Ptyonoprogne fuligula |
| All names | Avión Paludícola | Riparia paludicola |
| All names | Avión Roquero | Ptyonoprogne rupestris |
| All names | Avión Zapador | Riparia riparia |
| All names | Avoceta | Recurvirostra avosetta |
| All names | Avoceta Americana | Recurvirostra americana |
| All names | Avoceta Común | Recurvirostra avosetta |
| All names | Avutarda | Otis tarda |
| All names | Avutarda árabe | Ardeotis arabs |
| All names | Avutarda de denham | Neotis denhami |
| All names | Avutarda Euroasiática | Otis tarda |
| All names | Avutarda núbica | Neotis nuba |
| All names | Azor | Accipiter gentilis |
| All names | Azor Común | Accipiter gentilis |
| All names | Azor lagartijero | Melierax metabates |
| All names | Azor-lagartijero Oscuro | Melierax metabates |
| All names | Azulillo Lazulito | Passerina amoena |
| All names | Azulillo Norteño | Passerina cyanea |
| All names | Baloncito Común | Remiz pendulinus |
| All names | Barnacla canadiense | Branta leucopsis |
| All names | Barnacla Canadiense | Branta canadensis |
| All names | Barnacla Cariblanca | Branta leucopsis |
| All names | Barnacla Carinegra | Branta bernicla |
| All names | Barnacla Cuellirroja | Branta ruficollis |
| All names | Becada | Scolopax rusticola |
| All names | Becasina | Gallinago delicata |
| All names | Bengalí Rojo | Amandava amandava |
| All names | Bengalí senegalés | Lagonosticta senegala |
| All names | Bigotudo | Panurus biarmicus |
| All names | Bisbita Alpino | Anthus spinoletta |
| All names | Bisbita Arbóreo | Anthus trivialis |
| All names | Bisbita Caminero | Anthus berthelotii |
| All names | Bisbita Campestre | Anthus campestris |
| All names | Bisbita común | Anthus pratensis |
| All names | Bisbita Costero | Anthus petrosus |
| All names | Bisbita de Blyth | Anthus godlewskii |
| All names | Bisbita de Hodgson | Anthus hodgsoni |
| All names | Bisbita de Richard | Anthus richardi |
| All names | Bisbita del Pechora | Anthus gustavi |
| All names | Bisbita Estepario | Anthus godlewskii |
| All names | Bisbita Gorgirrojo | Anthus cervinus |
| All names | Bisbita Norteamericano | Anthus rubescens |
| All names | Bisbita patilargo | Anthus richardi |
| All names | Bisbita Piquilargo | Anthus similis |
| All names | Bisbita Pratense | Anthus pratensis |
| All names | Bisbita ribereño | Anthus spinoletta |
| All names | Búho Campestre | Asio flammeus |
| All names | Búho Chico | Asio otus |
| All names | Búho de Tengmalm | Aegolius funereus |
| All names | Búho gavilán | Surnia ulula |
| All names | Búho Moro | Asio capensis |
| All names | Búho Nival | Bubo scandiacus |
| All names | Búho pescador | Ketupa zeylonensis |
| All names | Búho Pescador de Ceilán | Ketupa zeylonensis |
| All names | Búho Real | Bubo bubo |
| All names | Buitre común | Gyps fulvus |
| All names | Buitre crejudo | Torgos tracheliotus |
| All names | Buitre de Ruppell | Gyps rueppellii |
| All names | Buitre Leonado | Gyps fulvus |
| All names | Buitre Moteado | Gyps rueppellii |
| All names | Buitre Negro | Aegypius monachus |
| All names | Buitre Orejudo | Torgos tracheliotus |
| All names | Buitrón | Cisticola juncidis |
| All names | Buitrón Común | Cisticola juncidis |
| All names | Buitrón desertícola | Scotocerca inquieta |
| All names | Buitrón elegante | Prinia gracilis |
| All names | Bulbul Barbudo Ocre | Alophoixus ochraceus |
| All names | Bulbul capirotado | Pycnonotus xanthopygos |
| All names | Bulbul cariblanco | Pycnonotus leucogenys |
| All names | Bulbul de Ojos Blancos | Pycnonotus xanthopygos |
| All names | Bulbul Jardinero | Pycnonotus barbatus |
| All names | Bulbul naranjero | Pycnonotus barbatus |
| All names | Busardo Calzado | Buteo lagopus |
| All names | Busardo Mongol | Buteo hemilasius |
| All names | Busardo Moro | Buteo rufinus |
| All names | Busardo Ratonero | Buteo buteo |
| All names | Buscarla de Gray | Locustella fasciolata |
| All names | Buscarla de Pallas | Locustella certhiola |
| All names | Buscarla de Styan | Locustella pleskei |
| All names | Buscarla Fluvial | Locustella fluviatilis |
| All names | Buscarla Lanceolada | Locustella lanceolata |
| All names | Buscarla Pintoja | Locustella naevia |
| All names | Buscarla Unicolor | Locustella luscinioides |
| All names | Calamón chico | Porphyrio alleni |
| All names | Calamón Común | Porphyrio porphyrio |
| All names | Calamón de Allen | Porphyrio alleni |
| All names | Calamón de la Martinica | Porphyrio martinica |
| All names | Calamoncillo Africano | Porphyrio alleni |
| All names | Calamoncillo Americano | Porphyrio martinica |
| All names | Calandria (común) | Melanocorypha calandra |
| All names | Calandria Aliblanca | Melanocorypha leucoptera |
| All names | Calandria Bimaculada | Melanocorypha bimaculata |
| All names | Calandria Común | Melanocorypha calandra |
| All names | Calandria de Mongolia | Melanocorypha mongolica |
| All names | Calandria Negra | Melanocorypha yeltoniensis |
| All names | Calandria picogorda | Ramphocoris clotbey |
| All names | Camachuelo Carminoso | Carpodacus erythrinus |
| All names | Camachuelo Común | Pyrrhula pyrrhula |
| All names | Camachuelo de Alas Rojas | Rhodopechys sanguineus |
| All names | Camachuelo de Cola Larga | Uragus sibiricus |
| All names | Camachuelo de Lichtenstein | Rhodospiza obsoleta |
| All names | Camachuelo del Sinaí | Carpodacus synoicus |
| All names | Camachuelo desertícola | Rhodospiza obsoleta |
| All names | Camachuelo ensangrentado | Rhodopechys sanguineus |
| All names | Camachuelo Mongolés | Bucanetes mongolicus |
| All names | Camachuelo picogrueso | Pinicola enucleator |
| All names | Camachuelo Trompetero | Bucanetes githagineus |
| All names | Canario | Serinus canaria |
| All names | Canario Común | Serinus canaria |
| All names | Canastera | Glareola pratincola |
| All names | Canastera Alinegra | Glareola nordmanni |
| All names | Canastera Común | Glareola pratincola |
| All names | Canastera de las Maldivas | Glareola maldivarum |
| All names | Canastera Oriental | Glareola maldivarum |
| All names | Candelita | Setophaga ruticilla |
| All names | Candelo escarlata | Piranga olivacea |
| All names | Candelo tricolor | Pheucticus ludovicianus |
| All names | Candelo unicolor | Piranga rubra |
| All names | Cangrejero | Dromas ardeola |
| All names | Capuchino Gorjeador | Euodice malabarica |
| All names | Cárabo Común | Strix aluco |
| All names | Cárabo Gavilán | Surnia ulula |
| All names | Cárabo Lapón | Strix nebulosa |
| All names | Cárabo Uralense | Strix uralensis |
| All names | Carbonero Común | Parus major |
| All names | Carbonero Garrapinos | Periparus ater |
| All names | Carbonero Lapón | Poecile cincta |
| All names | Carbonero Lúgubre | Poecile lugubris |
| All names | Carbonero Palustre | Poecile palustris |
| All names | Carbonero Sibilino | Poecile montana |
| All names | Cardenal azul | Passerina caerulea |
| All names | Carpintero dorado | Colaptes auratus |
| All names | Carpintero Escapulario | Colaptes auratus |
| All names | Carpodaco Caucaso | Carpodacus rubicilla |
| All names | Carpodaco de Pallas | Carpodacus roseus |
| All names | Carraca | Coracias garrulus |
| All names | Carraca de Abisinia | Coracias abyssinicus |
| All names | Carraca Europea | Coracias garrulus |
| All names | Carraca India | Coracias benghalensis |
| All names | Carraca picoancha | Eurystomus glaucurus |
| All names | Carricerín Africano | Acrocephalus baeticatus |
| All names | Carricerín Africano | Acrocephalus dumetorum |
| All names | Carricerín Cejudo | Acrocephalus paludicola |
| All names | Carricerín Común | Acrocephalus schoenobaenus |
| All names | Carricerín de Schrenk | Acrocephalus bistrigiceps |
| All names | Carricerín Real | Acrocephalus melanopogon |
| All names | Carricerín Tordal | Acrocephalus arundinaceus |
| All names | Carricero Agrícola | Acrocephalus agricola |
| All names | Carricero Común | Acrocephalus scirpaceus |
| All names | Carricero de Basra | Acrocephalus griseldis |
| All names | Carricero de Blyth | Acrocephalus baeticatus |
| All names | Carricero de Blyth | Acrocephalus dumetorum |
| All names | Carricero de Cabo Verde | Acrocephalus brevipennis |
| All names | Carricero de Pico Grueso | Acrocephalus aedon |
| All names | Carricero picogordo | Acrocephalus aedon |
| All names | Carricero Políglota | Acrocephalus palustris |
| All names | Carricero ruidoso | Acrocephalus stentoreus |
| All names | Carricero tordal | Acrocephalus arundinaceus |
| All names | Casanueces | Nucifraga caryocatactes |
| All names | Cascanueces Moteado | Nucifraga caryocatactes |
| All names | Cerceta Aliazul | Anas discors |
| All names | Cerceta americana | Anas carolinensis |
| All names | Cerceta americana | Anas crecca |
| All names | Cerceta Carretona | Anas querquedula |
| All names | Cerceta Colorada | Anas cyanoptera |
| All names | Cerceta común | Anas carolinensis |
| All names | Cerceta común | Anas crecca |
| All names | Cerceta de Alfanjes | Anas falcata |
| All names | Cerceta de El Cabo | Anas capensis |
| All names | Cerceta del Baikal | Anas formosa |
| All names | Cerceta Pardilla | Marmaronetta angustirostris |
| All names | Cernícalo Americano | Falco sparverius |
| All names | Cernícalo del Amur | Falco amurensis |
| All names | Cernícalo del Amur | Falco vespertinus |
| All names | Cernícalo Patirrojo | Falco amurensis |
| All names | Cernícalo Patirrojo | Falco vespertinus |
| All names | Cernícalo Primilla | Falco naumanni |
| All names | Cernícalo primito | Falco sparverius |
| All names | Cernícalo real | Falco tinnunculus |
| All names | Cernícalo Vulgar | Falco tinnunculus |
| All names | Chagra | Tchagra senegalus |
| All names | Charlatán | Dolichonyx oryzivorus |
| All names | Charrán | Sterna |
| All names | Charrán Aleutiano | Onychoprion aleuticus |
| All names | Charrán Artico | Sterna paradisaea |
| All names | Charrán ártico | Sterna paradisaea |
| All names | Charrán bengalés | Thalasseus bengalensis |
| All names | Charrán Bengalí | Thalasseus bengalensis |
| All names | Charrán cariblanco | Sterna repressa |
| All names | Charrán Común | Sterna hirundo |
| All names | Charrán de Forster | Sterna forsteri |
| All names | Charrán de las Aleutianas | Onychoprion aleuticus |
| All names | Charrán Elegante | Thalasseus elegans |
| All names | Charrán Embridado | Onychoprion anaethetus |
| All names | Charrán pardo | Anous stolidus |
| All names | Charrán Patinegro | Thalasseus sandvicensis |
| All names | Charrán piquigualdo | Thalasseus bergii |
| All names | Charrán Real | Thalasseus maximus |
| All names | Charrán Rosado | Sterna dougallii |
| All names | Charrán Sombrío | Onychoprion fuscatus |
| All names | Charrancito | Sternula albifrons |
| All names | Charrancito Americano | Sternula antillarum |
| All names | Charrancito Común | Sternula albifrons |
| All names | Charrancito de Saunders | Sternula saundersi |
| All names | Chingolo arlequín | Chondestes grammacus |
| All names | Chingolo gorgiblanco | Zonotrichia albicollis |
| All names | Chingolo melodioso | Melospiza melodia |
| All names | Chingolo piquiblanco | Zonotrichia leucophrys |
| All names | Chingolo pizarroso | Junco hyemalis |
| All names | Chingolo punteado | Pipilo erythrophthalmus |
| All names | Chingolo zorruno | Passerella iliaca |
| All names | Chipe Amarillo | Dendroica petechia |
| All names | Chipe Azul y Negro | Dendroica caerulescens |
| All names | Chipe Careto | Wilsonia citrina |
| All names | Chipe Castaño | Dendroica castanea |
| All names | Chipe Cerúleo | Dendroica cerulea |
| All names | Chipe Collarejo | Wilsonia canadensis |
| All names | Chipe Coronado | Dendroica coronata |
| All names | Chipe de Agua Norteño | Seiurus noveboracensis |
| All names | Chipe de Agua Sureño | Seiurus motacilla |
| All names | Chipe de Alas Azules | Vermivora pinus |
| All names | Chipe de Alas Doradas | Vermivora chrysoptera |
| All names | Chipe de Cabeza Gris | Vermivora ruficapilla |
| All names | Chipe de Cara Negra | Geothlypis trichas |
| All names | Chipe de Cola Fajeada | Dendroica magnolia |
| All names | Chipe de Coronilla Negra | Wilsonia pusilla |
| All names | Chipe de Garganta Anaranjada | Dendroica fusca |
| All names | Chipe de Garganta Negra | Dendroica virens |
| All names | Chipe de Tierra | Seiurus aurocapilla |
| All names | Chipe Deslustrado | Vermivora celata |
| All names | Chipe Enlutado | Oporornis philadelphia |
| All names | Chipe Estriado | Dendroica striata |
| All names | Chipe Grande | Icteria virens |
| All names | Chipe Palmero | Dendroica palmarum |
| All names | Chipe Pardo-blanco | Dendroica pensylvanica |
| All names | Chipe Peregrino | Vermivora peregrina |
| All names | Chipe Pinero | Dendroica pinus |
| All names | Chipe Rayado | Mniotilta varia |
| All names | Chipe Rey Americano | Setophaga ruticilla |
| All names | Chipe Tigre | Dendroica tigrina |
| All names | Chocha Perdiz | Scolopax rusticola |
| All names | Chochín | Troglodytes troglodytes |
| All names | Chochín Común | Troglodytes troglodytes |
| All names | Chorlitejo Chico | Charadrius dubius |
| All names | Chorlitejo Culirrojo | Charadrius vociferus |
| All names | Chorlitejo del Caspico | Charadrius asiaticus |
| All names | Chorlitejo Grande | Charadrius hiaticula |
| All names | Chorlitejo Mongol Chico | Charadrius mongolus |
| All names | Chorlitejo Mongol Grande | Charadrius leschenaultii |
| All names | Chorlitejo pastor | Charadrius pecuarius |
| All names | Chorlitejo Patinegro | Charadrius alexandrinus |
| All names | Chorlitejo Pecuario | Charadrius pecuarius |
| All names | Chorlitejo Semipalmeado | Charadrius semipalmatus |
| All names | Chorlito Asiático Chico | Charadrius asiaticus |
| All names | Chorlito Asiático Grande | Charadrius veredus |
| All names | Chorlito Carambolo | Charadrius morinellus |
| All names | Chorlito dorado | Pluvialis apricaria |
| All names | Chorlito Dorado Americano | Pluvialis dominica |
| All names | Chorlito dorado asiático | Pluvialis fulva |
| All names | Chorlito dorado chico | Pluvialis dominica |
| All names | Chorlito Dorado Europeo | Pluvialis apricaria |
| All names | Chorlito Dorado Siberiano | Pluvialis fulva |
| All names | Chorlito Gris | Pluvialis squatarola |
| All names | Chorlito social | Vanellus gregarius |
| All names | Chotacabras americano | Chordeiles minor |
| All names | Chotacabras Cuellirrojo | Caprimulgus ruficollis |
| All names | Chotacabras Egipcio | Caprimulgus aegyptius |
| All names | Chotacabras Europeo | Caprimulgus europaeus |
| All names | Chotacabras grís | Caprimulgus europaeus |
| All names | Chotacabras núbico | Caprimulgus nubicus |
| All names | Chotacabras pardo | Caprimulgus ruficollis |
| All names | Chova de Pico Amarillo | Pyrrhocorax graculus |
| All names | Chova de Pico Rojo | Pyrrhocorax pyrrhocorax |
| All names | Chova piquigualda | Pyrrhocorax graculus |
| All names | Chova piquirroja | Pyrrhocorax pyrrhocorax |
| All names | Chupasavia Norteño | Sphyrapicus varius |
| All names | Chupasavias | Sphyrapicus varius |
| All names | Cigüeña Blanca | Ciconia ciconia |
| All names | Cigüeña común | Ciconia ciconia |
| All names | Cigüeña Lanuda | Ciconia episcopus |
| All names | Cigüeña Negra | Ciconia nigra |
| All names | Cigüeñuela | Himantopus himantopus |
| All names | Cigüeñuela de Alas Negras | Himantopus himantopus |
| All names | Cisne Cantor | Cygnus cygnus |
| All names | Cisne Chico | Cygnus columbianus |
| All names | Cisne real | Cygnus olor |
| All names | Cisne silbón | Cygnus columbianus |
| All names | Cisne Vulgar | Cygnus olor |
| All names | Codorníz | Coturnix coturnix |
| All names | Codorniz Común | Coturnix coturnix |
| All names | Cogujada Común | Galerida cristata |
| All names | Cogujada Montesina | Galerida theklae |
| All names | Coliazul de Cejas Blancas | Tarsiger cyanurus |
| All names | Colimbo Ártico | Gavia arctica |
| All names | Colimbo Chico | Gavia stellata |
| All names | Colimbo de Adams | Gavia adamsii |
| All names | Colimbo del Pacífico | Gavia pacifica |
| All names | Colimbo Grande | Gavia immer |
| All names | Colín de California | Callipepla californica |
| All names | Colín de Virginia | Colinus virginianus |
| All names | Colinegro risqueño | Cercomela melanura |
| All names | Colirrojo coronado | Phoenicurus erythrogastrus |
| All names | Colirrojo de Eversmann | Phoenicurus erythronotus |
| All names | Colirrojo de Guldenstadt | Phoenicurus erythrogastrus |
| All names | Colirrojo Diademado | Phoenicurus moussieri |
| All names | Colirrojo frentiblanco | Phoenicurus erythronotus |
| All names | Colirrojo Real | Phoenicurus phoenicurus |
| All names | Colirrojo Tizón | Phoenicurus ochruros |
| All names | Collaba Pía | Oenanthe pleschanka |
| All names | Collalba cabecinegra | Oenanthe albonigra |
| All names | Collalba colirroja | Oenanthe xanthoprymna |
| All names | Collalba culirroja | Oenanthe moesta |
| All names | Collalba de Chipre | Oenanthe cypriaca |
| All names | Collalba de Cola Roja | Oenanthe xanthoprymna |
| All names | Collalba de Cyprus | Oenanthe cypriaca |
| All names | Collalba de Finsch | Oenanthe finschii |
| All names | Collalba de Lomo Rojo | Oenanthe moesta |
| All names | Collalba del Desierto | Oenanthe deserti |
| All names | Collalba desértica | Oenanthe deserti |
| All names | Collalba Encapuchada | Oenanthe monacha |
| All names | Collalba Fúnebre | Oenanthe lugens |
| All names | Collalba Gris | Oenanthe oenanthe |
| All names | Collalba Isabel | Oenanthe isabellina |
| All names | Collalba monjita | Oenanthe monacha |
| All names | Collalba Negra | Oenanthe leucura |
| All names | Collalba Negra de Brehm | Oenanthe leucopyga |
| All names | Collalba núbica | Oenanthe lugens |
| All names | Collalba pía | Oenanthe pleschanka |
| All names | Collalba pía oriental | Oenanthe picata |
| All names | Collalba Rubia | Oenanthe hispanica |
| All names | Collalba yebélica | Oenanthe leucopyga |
| All names | Combatiente | Philomachus pugnax |
| All names | Cormorán africano | Phalacrocorax africanus |
| All names | Cormorán de Socotra | Phalacrocorax nigrogularis |
| All names | Cormorán Grande | Phalacrocorax carbo |
| All names | Cormorán Japonés | Phalacrocorax capillatus |
| All names | Cormorán Moñudo | Phalacrocorax aristotelis |
| All names | Cormorán Orejudo | Phalacrocorax auritus |
| All names | Cormorán Pelágico | Phalacrocorax pelagicus |
| All names | Cormorán Pigmeo | Phalacrocorax pygmaeus |
| All names | Corneja | Corvus corone |
| All names | Corneja cenicienta | Corvus cornix |
| All names | Corneja Cenicienta | Corvus corone |
| All names | Corneja india | Corvus splendens |
| All names | Corredor | Cursorius cursor |
| All names | Corredor Sahariano | Cursorius cursor |
| All names | Correlimos Acuminado | Calidris acuminata |
| All names | Correlimos Batitú | Bartramia longicauda |
| All names | Correlimos Canelo | Tryngites subruficollis |
| All names | Correlimos chico | Calidris subminuta |
| All names | Correlimos Común | Calidris alpina |
| All names | Correlimos Cuchareta | Eurynorhynchus pygmeus |
| All names | Correlimos Cuellirrojo | Calidris ruficollis |
| All names | Correlimos Culiblanco | Calidris fuscicollis |
| All names | Correlimos de Alaska | Calidris mauri |
| All names | Correlimos de Baird | Calidris bairdii |
| All names | Correlimos de Bartram | Bartramia longicauda |
| All names | Correlimos de Bonaparte | Calidris fuscicollis |
| All names | Correlimos de Maur | Calidris mauri |
| All names | Correlimos de Temminck | Calidris temminckii |
| All names | Correlimos Dedilargo | Calidris subminuta |
| All names | Correlimos enano | Calidris minutilla |
| All names | Correlimos Falcinelo | Limicola falcinellus |
| All names | Correlimos falcino | Limicola falcinellus |
| All names | Correlimos Gordo | Calidris canutus |
| All names | Correlimos Grande | Calidris tenuirostris |
| All names | Correlimos Menudillo | Calidris minutilla |
| All names | Correlimos Menudo | Calidris minuta |
| All names | Correlimos Oscuro | Calidris maritima |
| All names | Correlimos Pectoral | Calidris melanotos |
| All names | Correlimos Semipalmeado | Calidris pusilla |
| All names | Correlimos Tridáctilo | Calidris alba |
| All names | Correlimos Zancolín | Calidris himantopus |
| All names | Correlimos Zarapitín | Calidris ferruginea |
| All names | Corruca de Cola Larga | Sylvia undata |
| All names | Corvo colicorto | Corvus rhipidurus |
| All names | Corvo desertícola | Corvus ruficollis |
| All names | Cotorra Argentina | Myiopsitta monachus |
| All names | Cotorra de Kramer | Psittacula krameri |
| All names | Cotorra monje | Myiopsitta monachus |
| All names | Críalo | Clamator glandarius |
| All names | Críalo Europeo | Clamator glandarius |
| All names | Críalo jacobino | Chrysococcyx caprius |
| All names | Cuchara Común | Anas clypeata |
| All names | Cuclillo Didric | Chrysococcyx caprius |
| All names | Cuclillo Piquigualdo | Coccyzus americanus |
| All names | Cuclillo Piquinegro | Coccyzus erythropthalmus |
| All names | Cuco | Cuculus canorus |
| All names | Cuco Común | Cuculus canorus |
| All names | Cuco de Horsfield | Cuculus optatus |
| All names | Cuco esmeralda | Chrysococcyx caprius |
| All names | Cuco oriental | Cuculus optatus |
| All names | Cuco piquigualdo | Coccyzus americanus |
| All names | Cuco piquinegro | Coccyzus erythropthalmus |
| All names | Cuco senegalés | Centropus senegalensis |
| All names | Cuervo | Corvus corax |
| All names | Cuervo Blanco | Corvus albus |
| All names | Cuervo Casero | Corvus splendens |
| All names | Cuervo Común | Corvus corax |
| All names | Cuervo de Cuello Castaño | Corvus ruficollis |
| All names | Cuervo pío | Corvus albus |
| All names | Cuitlacoche Rojizo | Toxostoma rufum |
| All names | Culebrera Europea | Circaetus gallicus |
| All names | Curruca árabe | Sylvia leucomelaena |
| All names | Curruca Balear | Sylvia balearica |
| All names | Curruca Balear | Sylvia sarda |
| All names | Curruca cabecinegra | Sylvia melanocephala |
| All names | Curruca cabecinegra | Sylvia nana |
| All names | Curruca Capirotada | Sylvia atricapilla |
| All names | Curruca Carrasqueña | Sylvia cantillans |
| All names | Curruca de Cabeza Negra | Sylvia melanocephala |
| All names | Curruca de Cyprus | Sylvia melanothorax |
| All names | Curruca de Hume | Sylvia althaea |
| All names | Curruca de Menetries | Sylvia mystacea |
| All names | Curruca de Ruppell | Sylvia rueppelli |
| All names | Curruca de Rüppell | Sylvia rueppelli |
| All names | Curruca de Tristram | Sylvia deserti |
| All names | Curruca de Tristram | Sylvia deserticola |
| All names | Curruca Gavilana | Sylvia nisoria |
| All names | Curruca Mirlona | Sylvia hortensis |
| All names | Curruca Mosquitera | Sylvia borin |
| All names | Curruca Pequeña | Sylvia curruca |
| All names | Curruca rabilarga | Sylvia undata |
| All names | Curruca sahariana | Sylvia nana |
| All names | Curruca Sahariana | Sylvia deserti |
| All names | Curruca Sahariana | Sylvia deserticola |
| All names | Curruca Sarda | Sylvia balearica |
| All names | Curruca Sarda | Sylvia sarda |
| All names | Curruca Tomillera | Sylvia conspicillata |
| All names | Curruca ustulada | Sylvia melanothorax |
| All names | Curruca Zarcera | Sylvia communis |
| All names | Curruca zarcerilla | Sylvia curruca |
| All names | Damero del Cabo | Daption capense |
| All names | Eider | Somateria mollissima |
| All names | Eider Común | Somateria mollissima |
| All names | Eider de antejos | Somateria fischeri |
| All names | Eider de Anteojos | Somateria fischeri |
| All names | Eider de Steller | Polysticta stelleri |
| All names | Eider Menor | Polysticta stelleri |
| All names | Eider Real | Somateria spectabilis |
| All names | Elanio azul | Elanus caeruleus |
| All names | Elanio Común | Elanus caeruleus |
| All names | Elanio Tijereta | Elanoides forficatus |
| All names | Escribano aureolado | Emberiza aureola |
| All names | Escribano cabecigris | Emberiza buchanani |
| All names | Escribano cabeiciblanco | Emberiza melanocephala |
| All names | Escribano carirrojo | Emberiza bruniceps |
| All names | Escribano cejigualdo | Emberiza chrysophrys |
| All names | Escribano Ceniciento | Emberiza caesia |
| All names | Escribano cerillo | Emberiza cirlus |
| All names | Escribano Cerillo | Emberiza citrinella |
| All names | Escribano Cinéreo | Emberiza cineracea |
| All names | Escribano de Cabeza Negra | Emberiza melanocephala |
| All names | Escribano de Cabeza Roja | Emberiza bruniceps |
| All names | Escribano de Capa Blanca | Emberiza stewarti |
| All names | Escribano de Capucha Gris | Emberiza fucata |
| All names | Escribano de Cara Negra | Emberiza spodocephala |
| All names | Escribano de Cejas Amarillas | Emberiza chrysophrys |
| All names | Escribano de Cuello Gris | Emberiza buchanani |
| All names | Escribano de Gmelin | Emberiza leucocephalos |
| All names | Escribano de Godlewski | Emberiza godlewskii |
| All names | Escribano de Palla | Emberiza pallasi |
| All names | Escribano de Pallas | Emberiza pallasi |
| All names | Escribano enmascarado | Emberiza spodocephala |
| All names | Escribano herrumbroso | Emberiza rutila |
| All names | Escribano Hortelano | Emberiza hortulana |
| All names | Escribano Lapón | Calcarius lapponicus |
| All names | Escribano Montesino | Emberiza cia |
| All names | Escribano Nival | Plectrophenax nivalis |
| All names | Escribano Palustre | Emberiza schoeniclus |
| All names | Escribano Pigmeo | Emberiza pusilla |
| All names | Escribano Pinero | Emberiza leucocephalos |
| All names | Escribano Rústico | Emberiza rustica |
| All names | Escribano Sahariano | Emberiza striolata |
| All names | Escribano saharino | Emberiza striolata |
| All names | Escribano Siberiano | Emberiza cioides |
| All names | Escribano Soteño | Emberiza cirlus |
| All names | Escribano Triguero | Emberiza calandra |
| All names | Esmerejón | Falco columbarius |
| All names | Espátula | Platalea leucorodia |
| All names | Espátula Africana | Platalea alba |
| All names | Espátula Común | Platalea leucorodia |
| All names | Estornino Daurio | Sturnia sturnina |
| All names | Estornino irisado | Onychognathus tristramii |
| All names | Estornino Negro | Sturnus unicolor |
| All names | Estornino Pinto | Sturnus vulgaris |
| All names | Estornino Rosado | Pastor roseus |
| All names | Faisán | Phasianus colchicus |
| All names | Faisán de Lady Amherst | Chrysolophus amherstiae |
| All names | Faisán Dorado | Chrysolophus pictus |
| All names | Faisán nival del Caspio | Tetraogallus caspius |
| All names | Faisán nival del Caucaso | Tetraogallus caucasicus |
| All names | Faisán Vulgar | Phasianus colchicus |
| All names | Falaropa de Wilson | Phalaropus tricolor |
| All names | Falaropa picogrueso | Phalaropus fulicarius |
| All names | Falaropa pocofino | Phalaropus lobatus |
| All names | Falaropo Picofino | Phalaropus lobatus |
| All names | Falaropo Picogrueso | Phalaropus fulicarius |
| All names | Falaropo Tricolor | Phalaropus tricolor |
| All names | Flamenco | Phoenicopterus roseus |
| All names | Flamenco Común | Phoenicopterus roseus |
| All names | Flamenco Enano | Phoenicopterus minor |
| All names | Focha Americana | Fulica americana |
| All names | Focha cenicienta | Fulica americana |
| All names | Focha Común | Fulica atra |
| All names | Focha cornuda | Fulica cristata |
| All names | Focha Moruna | Fulica cristata |
| All names | Frailecillo | Fratercula arctica |
| All names | Frailecillo Atlántico | Fratercula arctica |
| All names | Frailecillo Coletudo | Fratercula cirrhata |
| All names | Francolín | Francolinus francolinus |
| All names | Francolín de Erckel | Francolinus erckelii |
| All names | Francolín espolonado | Francolinus bicalcaratus |
| All names | Francolín Ventrinegro | Francolinus francolinus |
| All names | Fulmar | Fulmarus glacialis |
| All names | Fulmar Boreal | Fulmarus glacialis |
| All names | Fumarel Aliblanco | Chlidonias leucopterus |
| All names | Fumarel Cariblanco | Chlidonias hybrida |
| All names | Fumarel Común | Chlidonias niger |
| All names | Gallereta Común | Gallinula chloropus |
| All names | Gallo caucásico | Tetrao mlokosiewiczi |
| All names | Gallo lira | Tetrao tetrix |
| All names | Gallo-lira Caucasiano | Tetrao mlokosiewiczi |
| All names | Gallo-lira Común | Tetrao tetrix |
| All names | Gando del Nilo | Alopochen aegyptiaca |
| All names | Ganga | Pterocles alchata |
| All names | Ganga coronada | Pterocles coronatus |
| All names | Ganga Cuadricinta | Pterocles quadricinctus |
| All names | Ganga de Lichtenstein | Pterocles lichtensteinii |
| All names | Ganga de Pallas | Syrrhaptes paradoxus |
| All names | Ganga Ibérica | Pterocles alchata |
| All names | Ganga Moruna | Pterocles exustus |
| All names | Ganga Moteada | Pterocles senegallus |
| All names | Ganga Ortega | Pterocles orientalis |
| All names | Ganga unibande | Prunella atrogularis |
| All names | Ganso del Gambia | Plectropterus gambensis |
| All names | Ganso del Nilo | Alopochen aegyptiaca |
| All names | Garceta Azul | Egretta caerulea |
| All names | Garceta Común | Egretta garzetta |
| All names | Garceta Dimorfa | Egretta gularis |
| All names | Garceta Grande | Ardea alba |
| All names | Garceta negra | Egretta ardesiaca |
| All names | Garceta Nívea | Egretta thula |
| All names | Garceta piquigualda | Egretta intermedia |
| All names | Garceta Tricolor | Egretta tricolor |
| All names | Garcilla Bueyera | Bubulcus ibis |
| All names | Garcilla Cangrejera | Ardeola ralloides |
| All names | Garcilla China | Ardeola bacchus |
| All names | Garcilla de baco | Ardeola bacchus |
| All names | Garcilla de Mangalar | Ardeola grayii |
| All names | Garcilla India | Ardeola grayii |
| All names | Garcilla verde | Butorides striata |
| All names | Garcita Azulada | Butorides striata |
| All names | Garcita verdosau | Butorides virescens |
| All names | Garza Azulada | Ardea herodias |
| All names | Garza Cabecinegra | Ardea melanocephala |
| All names | Garza goliat | Ardea goliath |
| All names | Garza Imperial | Ardea purpurea |
| All names | Garza Real | Ardea cinerea |
| All names | Gavilán | Accipiter nisus |
| All names | Gavilán chicra | Accipiter badius |
| All names | Gavilán Chikra | Accipiter badius |
| All names | Gavilán Común | Accipiter nisus |
| All names | Gavilán Griego | Accipiter brevipes |
| All names | Gavilancito Japonés | Accipiter gularis |
| All names | Gavión | Larus marinus |
| All names | Gavión Atlántico | Larus marinus |
| All names | Gavión Cabecinegro | Larus ichthyaetus |
| All names | Gavión Hiperbóreo | Larus hyperboreus |
| All names | Gaviota | Larus |
| All names | Gaviota Argéntea | Larus argentatus |
| All names | Gaviota Argéntea Americana | Larus smithsonianus |
| All names | Gaviota Armenia | Larus armenicus |
| All names | Gaviota Cabecigrís | Larus cirrocephalus |
| All names | Gaviota Cabecinegra | Larus melanocephalus |
| All names | Gaviota cabecinegro | Larus ichthyaetus |
| All names | Gaviota Cana | Larus canus |
| All names | Gaviota de Audouin | Larus audouinii |
| All names | Gaviota de Bonaparte | Larus philadelphia |
| All names | Gaviota de Delaware | Larus delawarensis |
| All names | Gaviota de Franklin | Larus pipixcan |
| All names | Gaviota de Patas Amarillas | Larus cachinnans |
| All names | Gaviota de Patas Amarillas | Larus michahellis |
| All names | Gaviota de Sabine | Xema sabini |
| All names | Gaviota Enana | Larus minutus |
| All names | Gaviota Encapuchada | Larus heuglini |
| All names | Gaviota Esquimal | Larus thayeri |
| All names | Gaviota fuliginosa | Larus hemprichii |
| All names | Gaviota Groenlandesa | Larus glaucoides |
| All names | Gaviota Guanaguanare | Larus atricilla |
| All names | Gaviota hiperbórea | Larus hyperboreus |
| All names | Gaviota marfila | Pagophila eburnea |
| All names | Gaviota Marfileña | Pagophila eburnea |
| All names | Gaviota Ojiblanca | Larus leucophthalmus |
| All names | Gaviota Patiamarilla | Larus cachinnans |
| All names | Gaviota Patiamarilla | Larus michahellis |
| All names | Gaviota Picofina | Larus genei |
| All names | Gaviota Pipizcan | Larus pipixcan |
| All names | Gaviota polar | Larus glaucoides |
| All names | Gaviota Reidora | Larus ridibundus |
| All names | Gaviota reidora americana | Larus atricilla |
| All names | Gaviota Relicta | Larus relictus |
| All names | Gaviota Rosada | Rhodostethia rosea |
| All names | Gaviota Sombría | Larus fuscus |
| All names | Gaviota Tridáctila | Rissa tridactyla |
| All names | Golondrina Bicolor | Tachycineta bicolor |
| All names | Golondrina Común | Hirundo rustica |
| All names | Golondrina daúrica | Cecropis daurica |
| All names | Golondrina Dáurica | Cecropis daurica |
| All names | Golondrina Risquera | Petrochelidon pyrrhonota |
| All names | Gorrión alpino | Montifringilla nivalis |
| All names | Gorrión Alpino de Alas Blancas | Montifringilla nivalis |
| All names | Gorrión Alpino de Pere David | Montifringilla davidiana |
| All names | Gorrión aureo | Passer luteus |
| All names | Gorrión chillón | Petronia petronia |
| All names | Gorrión Chillón Castaño | Petronia xanthocollis |
| All names | Gorrión Chillón Pálido | Carpospiza brachydactyla |
| All names | Gorrión Chillón Rayado | Petronia petronia |
| All names | Gorrión común | Passer domesticus |
| All names | Gorrión del Mar Muerto | Passer moabiticus |
| All names | Gorrión Doméstico | Passer domesticus |
| All names | Gorrión grande | Passer iagoensis |
| All names | Gorrión Molinero | Passer montanus |
| All names | Gorrión Moruno | Passer hispaniolensis |
| All names | Gorrión nival | Montifringilla nivalis |
| All names | Gorrión pálido | Carpospiza brachydactyla |
| All names | Gorrión pintado | Petronia xanthocollis |
| All names | Gorrión sabanero | Passer simplex |
| All names | Gorrión Saxual | Passer ammodendri |
| All names | Graja | Corvus frugilegus |
| All names | Graja Común | Corvus frugilegus |
| All names | Grajilla | Corvus monedula |
| All names | Grajilla Común | Corvus monedula |
| All names | Grajilla daurica | Corvus dauuricus |
| All names | Grajilla Dáurica | Corvus dauuricus |
| All names | Grévol | Bonasa bonasia |
| All names | Grévol Común | Bonasa bonasia |
| All names | Grulla Canadiense | Grus canadensis |
| All names | Grulla Común | Grus grus |
| All names | Grulla Damisela | Anthropoides virgo |
| All names | Grulla Monje | Grus monacha |
| All names | Grulla Siberiana | Grus leucogeranus |
| All names | Guión (de Codornices) | Crex crex |
| All names | Guión de Codornices | Crex crex |
| All names | Guión negro | Amaurornis flavirostra |
| All names | Halcón abejero | Pernis apivorus |
| All names | Halcón borni | Falco biarmicus |
| All names | Halcón Borní | Falco biarmicus |
| All names | Halcón ceniciento | Falco cherrug |
| All names | Halcón común | Falco peregrinus |
| All names | Halcón de Eleanor | Falco eleonorae |
| All names | Halcón de Eleonora | Falco eleonorae |
| All names | Halcón Gerifalte | Falco rusticolus |
| All names | Halcón patirrojo | Falco amurensis |
| All names | Halcón patirrojo | Falco vespertinus |
| All names | Halcón Peregrino | Falco peregrinus |
| All names | Halcón Pizarroso | Falco concolor |
| All names | Halcón Sacre | Falco cherrug |
| All names | Halcón Tagarote | Falco pelegrinoides |
| All names | Havelda | Clangula hyemalis |
| All names | Herrerillo Africano | Cyanistes teneriffae |
| All names | Herrerillo Capuchino | Lophophanes cristatus |
| All names | Herrerillo Ciáneo | Cyanistes cyanus |
| All names | Herrerillo Común | Cyanistes caeruleus |
| All names | Hipocolino Gris | Hypocolius ampelinus |
| All names | Hubara | Chlamydotis undulata |
| All names | Ibis Eremita | Geronticus eremita |
| All names | Ibis pelucón | Geronticus eremita |
| All names | Ibis sacrado | Threskiornis aethiopicus |
| All names | Ibis Sagrado | Threskiornis aethiopicus |
| All names | Ictérido anaranjado | Icterus galbula |
| All names | Inseparable Cabecinegro | Agapornis personatus |
| All names | Jilguero | Carduelis carduelis |
| All names | Jilguero Europeo | Carduelis carduelis |
| All names | Joyuyo | Aix sponsa |
| All names | Junco Pizarroso | Junco hyemalis |
| All names | Laborioso | Quelea quelea |
| All names | Lagópodo | Lagopus lagopus |
| All names | Lagópodo Alpino | Lagopus muta |
| All names | Lagópodo Común | Lagopus lagopus |
| All names | Lavandera Blanca | Motacilla alba |
| All names | Lavandera Boyera | Motacilla flava |
| All names | Lavandera Cascadeña | Motacilla cinerea |
| All names | Lavandera Cetrina | Motacilla citreola |
| All names | Lavandera Forestal | Dendronanthus indicus |
| All names | Lavandera pía | Motacilla aguimp |
| All names | Lechuza | Tyto alba |
| All names | Lechuza Común | Tyto alba |
| All names | Lúgano | Carduelis spinus |
| All names | Malvasía | Oxyura leucocephala |
| All names | Malvasía Cabeciblanca | Oxyura leucocephala |
| All names | Malvasia canela | Oxyura jamaicensis |
| All names | Malvasía rojiza | Oxyura jamaicensis |
| All names | Marabú Africano | Leptoptilos crumeniferus |
| All names | Marbella | Anhinga melanogaster |
| All names | Martín Gigante Norteamericano | Ceryle alcyon |
| All names | Martín pescador | Alcedo atthis |
| All names | Martín pescador alción | Ceryle alcyon |
| All names | Martín Pescador Común | Alcedo atthis |
| All names | Martín pescador pió | Ceryle rudis |
| All names | Martín Pescador Pío | Ceryle rudis |
| All names | Martinete | Nycticorax nycticorax |
| All names | Martinete Común | Nycticorax nycticorax |
| All names | Mérgulo Antiguo | Synthliboramphus antiquus |
| All names | Mérgulo Atlántico | Alle alle |
| All names | Mérgulo Empenachado | Aethia cristatella |
| All names | Mérgulo Lorito | Aethia psittacula |
| All names | Mérgulo marino | Alle alle |
| All names | Milano Negro | Milvus migrans |
| All names | Milano Real | Milvus milvus |
| All names | Mirlo acuático | Cinclus cinclus |
| All names | Mirlo Acuático de Garganta Blanca | Cinclus cinclus |
| All names | Mirlo capiblanco | Turdus torquatus |
| All names | Mirlo Común | Turdus merula |
| All names | Mirlo de Capa Blanca | Turdus torquatus |
| All names | Mito | Aegithalos caudatus |
| All names | Mochuelo Alpino | Glaucidium passerinum |
| All names | Mochuelo Boreal | Aegolius funereus |
| All names | Mochuelo chico | Glaucidium passerinum |
| All names | Mochuelo común | Athene noctua |
| All names | Mochuelo Europeo | Athene noctua |
| All names | Morito | Plegadis falcinellus |
| All names | Morito Común | Plegadis falcinellus |
| All names | Mosquero Fibí | Sayornis phoebe |
| All names | Mosquero Ventriamarillo | Empidonax flaviventris |
| All names | Mosquero Verdoso | Empidonax virescens |
| All names | Mosquitero artico | Phylloscopus borealis |
| All names | Mosquitero Bilistado | Phylloscopus humei |
| All names | Mosquitero Bilistado | Phylloscopus inornatus |
| All names | Mosquitero Boreal | Phylloscopus borealis |
| All names | Mosquitero boréal | Phylloscopus borealis |
| All names | Mosquitero Canario | Phylloscopus canariensis |
| All names | Mosquitero Común | Phylloscopus collybita |
| All names | Mosquitero de Hume | Phylloscopus humei |
| All names | Mosquitero de Hume | Phylloscopus inornatus |
| All names | Mosquitero de los Sauces | Phylloscopus trochilus |
| All names | Mosquitero de Pallas | Phylloscopus proregulus |
| All names | Mosquitero de Schwarz | Phylloscopus schwarzi |
| All names | Mosquitero de Temminck | Phylloscopus coronatus |
| All names | Mosquitero de Vientre Amarillo | Phylloscopus griseolus |
| All names | Mosquitero Ibérico | Phylloscopus ibericus |
| All names | Mosquitero irani | Phylloscopus neglectus |
| All names | Mosquitero montano | Phylloscopus collybita sindianus |
| All names | Mosquitero musical | Phylloscopus trochilus |
| All names | Mosquitero Occidental | Phylloscopus sindianus |
| All names | Mosquitero Pálido de los Sauces | Phylloscopus neglectus |
| All names | Mosquitero papialbo | Phylloscopus bonelli |
| All names | Mosquitero Silbador | Phylloscopus sibilatrix |
| All names | Mosquitero sombrío | Phylloscopus bonelli |
| All names | Mosquitero sombrio | Phylloscopus fuscatus |
| All names | Mosquitero Sombrío | Phylloscopus fuscatus |
| All names | Mosquitero Troquiloide | Phylloscopus trochiloides |
| All names | Mosquitero verde | Phylloscopus trochiloides nitidus |
| All names | Negrón Careto | Melanitta perspicillata |
| All names | Negrón Común | Melanitta nigra |
| All names | Negrón Especulado | Melanitta fusca |
| All names | Oropéndola | Oriolus oriolus |
| All names | Oropéndola Dorada Europea | Oriolus oriolus |
| All names | Ostrero común | Haematopus ostralegus |
| All names | Ostrero Euroasiático | Haematopus ostralegus |
| All names | Ostrero Negro Africano | Haematopus moquini |
| All names | Ostrero unicolor | Haematopus moquini |
| All names | Págalo antártico | Stercorarius maccormicki |
| All names | Págalo Grande | Stercorarius skua |
| All names | Págalo Parásito | Stercorarius parasiticus |
| All names | Págalo Polar | Stercorarius maccormicki |
| All names | Págalo Pomarino | Stercorarius pomarinus |
| All names | Págalo Rabero | Stercorarius longicaudus |
| All names | Pagaza Piconegra | Gelochelidon nilotica |
| All names | Pagaza Piquirroja | Hydroprogne caspia |
| All names | Paíño Boreal | Oceanodroma leucorhoa |
| All names | Paíño común | Hydrobates pelagicus |
| All names | Paíño de Leach | Oceanodroma leucorhoa |
| All names | Paíño de Madeira | Oceanodroma castro |
| All names | Paiño de Swinhoe | Oceanodroma monorhis |
| All names | Paíño de Swinhoe | Oceanodroma monorhis |
| All names | Paíño de Wilson | Oceanites oceanicus |
| All names | Paíño Europeo | Hydrobates pelagicus |
| All names | Paiño pechialbo | Pelagodroma marina |
| All names | Paíño Pechialbo | Pelagodroma marina |
| All names | Pájaro gato | Dumetella carolinensis |
| All names | Pájaro moscón | Remiz pendulinus |
| All names | Paloma Bravía | Columba livia |
| All names | Paloma de Bolle | Columba bollii |
| All names | Paloma de Madeira | Columba trocaz |
| All names | Paloma del Turquestán | Columba eversmanni |
| All names | Paloma oriental | Columba eversmanni |
| All names | Paloma Rabiche | Columba junoniae |
| All names | Paloma Rupestre | Columba rupestris |
| All names | Paloma Torcaz | Columba palumbus |
| All names | Paloma Turqué | Columba bollii |
| All names | Paloma turqué | Columba trocaz |
| All names | Paloma Zurita | Columba oenas |
| All names | Papamoscas Castaño | Muscicapa dauurica |
| All names | Papamoscas Cerrojillo | Ficedula hypoleuca |
| All names | Papamoscas Collarino | Ficedula albicollis |
| All names | Papamoscas de Mugimaki | Ficedula mugimaki |
| All names | Papamoscas gris | Ficedula parva |
| All names | Papamoscas Gris | Muscicapa striata |
| All names | Papamoscas narciso | Ficedula narcissina |
| All names | Papamoscas papirrojo | Ficedula parva |
| All names | Papamoscas pardo | Muscicapa dauurica |
| All names | Papamoscas Semicollarino | Ficedula semitorquata |
| All names | Papamoscas Siberiano | Muscicapa sibirica |
| All names | Pape arcoiris | Passerina ciris |
| All names | Pape azulejo | Passerina cyanea |
| All names | Pardela Balear | Puffinus mauretanicus |
| All names | Pardela Capirotada | Puffinus gravis |
| All names | Pardela cenicienta | Calonectris diomedea |
| All names | Pardela Chica | Puffinus assimilis |
| All names | Pardela de patos pálidas | Puffinus carneipes |
| All names | Pardela Dorsigrís | Puffinus bulleri |
| All names | Pardela Garrapatera | Puffinus lherminieri |
| All names | Pardela Mediterránea | Puffinus yelkouan |
| All names | Pardela Pichoneta | Puffinus puffinus |
| All names | Pardela Sombría | Puffinus griseus |
| All names | Pardela Yelkouan | Puffinus yelkouan |
| All names | Pardillo ártico | Carduelis hornemanni |
| All names | Pardillo Común | Carduelis cannabina |
| All names | Pardillo de Hornemann | Carduelis hornemanni |
| All names | Pardillo de Pico Amarillo | Carduelis flavirostris |
| All names | Pardillo piquigualdo | Carduelis flavirostris |
| All names | Pardillo sizerin | Carduelis flammea |
| All names | Pardillo Sizerín | Carduelis flammea |
| All names | Párula de Pecho Dorado | Parula americana |
| All names | Pato arlequin | Histrionicus histrionicus |
| All names | Pato Arlequín | Histrionicus histrionicus |
| All names | Pato Colorado | Netta rufina |
| All names | Pato cuchara | Anas clypeata |
| All names | Pato cuchara de El Cabo | Anas smithii |
| All names | Pato Havelda | Clangula hyemalis |
| All names | Pato Joyuyo | Aix sponsa |
| All names | Pato Malvasia de Cara Blanca | Oxyura jamaicensis |
| All names | Pato mandarin | Aix galericulata |
| All names | Pato Mandarín | Aix galericulata |
| All names | Pechiazul | Luscinia svecica |
| All names | Pelícano blanco | Pelecanus onocrotalus |
| All names | Pelícano Ceñudo | Pelecanus crispus |
| All names | Pelícano Ceñudo | Pelecanus philippensis |
| All names | Pelícano Común | Pelecanus onocrotalus |
| All names | Pelícano gris | Pelecanus rufescens |
| All names | Pelícano Rosado | Pelecanus rufescens |
| All names | Pepitero Común | Coccothraustes coccothraustes |
| All names | Pepitero Vespertino | Coccothraustes vespertinus |
| All names | Perdigallo Altaico | Tetraogallus altaicus |
| All names | Perdigallo Caucasiano | Tetraogallus caucasicus |
| All names | Perdigallo del Caspio | Tetraogallus caspius |
| All names | Perdiz Chucar | Alectoris chukar |
| All names | Perdiz común | Alectoris rufa |
| All names | Perdiz Dáurica | Perdix dauurica |
| All names | Perdiz Gorgigrís | Ammoperdix griseogularis |
| All names | Perdiz gorgogrís | Ammoperdix griseogularis |
| All names | Perdiz Griega | Alectoris graeca |
| All names | Perdiz Moruna | Alectoris barbara |
| All names | Perdiz nival | Lagopus muta |
| All names | Perdiz Pardilla | Perdix perdix |
| All names | Perdiz Roja | Alectoris rufa |
| All names | Perdiz rupestre | Ammoperdix heyi |
| All names | Perdiz turca | Alectoris chukar |
| All names | Periquito Común | Melopsittacus undulatus |
| All names | Petirrojo | Erithacus rubecula |
| All names | Petirrojo de Swinhoe | Luscinia sibilans |
| All names | Petirrojo Europeo | Erithacus rubecula |
| All names | Petirrojo Siberiano | Luscinia calliope |
| All names | Petirrojo Siberiano Azul | Luscinia cyane |
| All names | Petrel Antillano | Pterodroma hasitata |
| All names | Petrel antillano | Pterodroma leucoptera |
| All names | Petrel atlántico | Pterodroma mollis |
| All names | Petrel Cahow | Pterodroma cahow |
| All names | Petrel Damero | Daption capense |
| All names | Petrel de Bulwer | Bulweria bulwerii |
| All names | Petrel de Jouanin | Bulweria fallax |
| All names | Petrel de la Trindade | Pterodroma arminjoniana |
| All names | Petrel de Schlegel | Pterodroma incerta |
| All names | Petrel Freira | Pterodroma madeira |
| All names | Petrel gigante | Macronectes giganteus |
| All names | Petrel Gon-gon | Pterodroma feae |
| All names | Petrel Suave | Pterodroma mollis |
| All names | Pibí Boreal | Contopus cooperi |
| All names | Picamaderos Negro | Dryocopus martius |
| All names | Pico cano | Picus canus |
| All names | Pico de coral | Estrilda astrild |
| All names | Pico de coral | Estrilda troglodytes |
| All names | Pico de Levaillant | Picus vaillantii |
| All names | Pico Dorsiblanco | Dendrocopos leucotos |
| All names | Pico Mediano | Dendrocopos medius |
| All names | Pico Menor | Dendrocopos minor |
| All names | Pico Picapinos | Dendrocopos major |
| All names | Pico Sirio | Dendrocopos syriacus |
| All names | Pico tridáctilo | Picoides tridactylus |
| All names | Pico Tridáctilo Euroasiático | Picoides tridactylus |
| All names | Picogordo | Coccothraustes coccothraustes |
| All names | Picogordo vespertino | Coccothraustes vespertinus |
| All names | Picoloro de Garganta Ahumada | Paradoxornis alphonsianus |
| All names | Picotero | Hypocolius ampelinus |
| All names | Pigargo Americano | Haliaeetus leucocephalus |
| All names | Pigargo cabeciblanco | Haliaeetus leucocephalus |
| All names | Pigargo coliblanco | Haliaeetus albicilla |
| All names | Pigargo común | Haliaeetus albicilla |
| All names | Pigargo de Pallas | Haliaeetus leucoryphus |
| All names | Pigargo Europeo | Haliaeetus albicilla |
| All names | Pigargo Gigante | Haliaeetus pelagicus |
| All names | Pigargo vocinglero | Haliaeetus vocifer |
| All names | Pinicola de Pico Grueso | Pinicola enucleator |
| All names | Pintada | Numida meleagris |
| All names | Pintada Común | Numida meleagris |
| All names | Pinzón azul | Fringilla teydea |
| All names | Pinzón común | Fringilla coelebs |
| All names | Pinzón de Teide | Fringilla teydea |
| All names | Pinzón Real | Fringilla montifringilla |
| All names | Pinzón Rosado | Leucosticte arctoa |
| All names | Pinzón Rosado de Brandt | Leucosticte brandti |
| All names | Pinzón Rosado de Hodgson | Leucosticte nemoricola |
| All names | Pinzón Vulgar | Fringilla coelebs |
| All names | Piquero enmascarado | Sula dactylatra |
| All names | Piquero Pardo | Sula leucogaster |
| All names | Piquero Patirrojo | Sula sula |
| All names | Piquigrueso Azul | Passerina caerulea |
| All names | Piquigrueso Degollado | Pheucticus ludovicianus |
| All names | Piquitero | Loxia |
| All names | Piquitero común | Loxia curvirostra |
| All names | Piquitero escocés | Loxia scotica |
| All names | Piquitero franjeado | Loxia leucoptera |
| All names | Piquitero lorito | Loxia pytyopsittacus |
| All names | Piquituerto | Loxia |
| All names | Piquituerto Escocés | Loxia scotica |
| All names | Piquituerto Franjeado | Loxia leucoptera |
| All names | Piquituerto Lorito | Loxia pytyopsittacus |
| All names | Piquitureto Común | Loxia curvirostra |
| All names | Pito Cano | Picus canus |
| All names | Pito negro | Dryocopus martius |
| All names | Pito Real | Picus viridis |
| All names | Playero Aliblanco | Tringa semipalmatus |
| All names | Playero Siberiano | Tringa brevipes |
| All names | Pluvial | Pluvianus aegyptius |
| All names | Polla de agua | Gallinula chloropus |
| All names | Polluela Bastarda | Porzana parva |
| All names | Polluela Chica | Porzana pusilla |
| All names | Polluela Culirroja | Aenigmatolimnas marginalis |
| All names | Polluela de Carolina | Porzana carolina |
| All names | Polluela Negra Africana | Amaurornis flavirostra |
| All names | Polluela Pintoja | Porzana porzana |
| All names | Polluela Sora | Porzana carolina |
| All names | Porrón Acollarado | Aythya collaris |
| All names | Porrón Albeola | Bucephala albeola |
| All names | Porrón Americano | Aythya americana |
| All names | Porrón Bastardo | Aythya marila |
| All names | Porrón Bola | Aythya affinis |
| All names | Porrón Coacoxtle | Aythya valisineria |
| All names | Porrón común | Aythya ferina |
| All names | Porrón de Collar | Aythya collaris |
| All names | Porrón Europeo | Aythya ferina |
| All names | Porrón Islándico | Bucephala islandica |
| All names | Porrón Moñudo | Aythya fuligula |
| All names | Porrón Osculado | Bucephala clangula |
| All names | Porrón Pardo | Aythya nyroca |
| All names | Prinia Graciosa | Prinia gracilis |
| All names | Quebrantahuesos | Gypaetus barbatus |
| All names | Quelea | Quelea quelea |
| All names | Quitrique Colorado | Piranga rubra |
| All names | Quitrique Rojo | Piranga olivacea |
| All names | Rabihorcado de Ascensión | Fregata aquila |
| All names | Rabihorcado Magnífico | Fregata magnificens |
| All names | Rabijunco Etéreo | Phaethon aethereus |
| All names | Rabijunco etéro | Phaethon aethereus |
| All names | Rabilargo | Cyanopica cyanus |
| All names | Rabitojo mongol | Hirundapus caudacutus |
| All names | Rascador nororiental | Pipilo erythrophthalmus |
| All names | Rascón | Rallus aquaticus |
| All names | Rascón de Virginia | Rallus limicola |
| All names | Rascón Europeo | Rallus aquaticus |
| All names | Ratona de los Estuarios | Cistothorus palustris |
| All names | Ratonero calzado | Buteo lagopus |
| All names | Ratonero común | Buteo buteo |
| All names | Ratonero moro | Buteo rufinus |
| All names | Rayador Africano | Rynchops flavirostris |
| All names | Reinita amarilla | Dendroica petechia |
| All names | Reinita atigrada | Dendroica tigrina |
| All names | Reinita cejiblanca | Dendroica magnolia |
| All names | Reinita charquera | Seiurus noveboracensis |
| All names | Reinita coronada | Dendroica coronata |
| All names | Reinita encapuchada | Wilsonia citrina |
| All names | Reinita gorgigualda | Geothlypis trichas |
| All names | Reinita listada | Dendroica striata |
| All names | Reinita montan | Seiurus aurocapilla |
| All names | Reinita norteña | Parula americana |
| All names | Reinita palmera | Dendroica palmarum |
| All names | Reinita papinegra | Dendroica virens |
| All names | Reinita peregrina | Vermivora peregrina |
| All names | Reinita trepadora | Mniotilta varia |
| All names | Reyezuelo de Moño Rojo | Regulus calendula |
| All names | Reyezuelo Listado | Regulus ignicapilla |
| All names | Reyezuelo Sencillo | Regulus regulus |
| All names | Reyezuelo Tinerfeño | Regulus teneriffae |
| All names | Robin | Turdus migratorius |
| All names | Robín Americano | Turdus migratorius |
| All names | Roquero Rojo | Monticola saxatilis |
| All names | Roquero Solitario | Monticola solitarius |
| All names | Ruiseñor | Luscinia megarhynchos |
| All names | Ruiseñor (común) | Luscinia megarhynchos |
| All names | Ruiseñor azul | Luscinia cyane |
| All names | Ruiseñor bastardo | Cettia cetti |
| All names | Ruiseñor Bastardo de Cetti | Cettia cetti |
| All names | Ruiseñor calíope | Luscinia calliope |
| All names | Ruiseñor coliazul | Tarsiger cyanurus |
| All names | Ruiseñor pintado | Icterus galbula |
| All names | Ruiseñor pintado | Irania gutturalis |
| All names | Ruiseñor Ruso | Luscinia luscinia |
| All names | Sabanero Arlequín | Chondestes grammacus |
| All names | Sabanero de Corona Blanca | Zonotrichia leucophrys |
| All names | Sabanero de Garganta Blanca | Zonotrichia albicollis |
| All names | Sabanero de Lincoln | Melospiza lincolnii |
| All names | Sabanero Melódico | Melospiza melodia |
| All names | Sabanero Rascador | Passerella iliaca |
| All names | Sabanero Zanjero | Passerculus sandwichensis |
| All names | Satrecito de Cola Larga | Aegithalos caudatus |
| All names | Semillerito Castaño | Emberiza rutila |
| All names | Semillerito de Pecho Amarillo | Emberiza aureola |
| All names | Serín de Frente Rojo | Serinus pusillus |
| All names | Serreta cabezona | Lophodytes cucullatus |
| All names | Serreta Capuchona | Lophodytes cucullatus |
| All names | Serreta Chica | Mergellus albellus |
| All names | Serreta Grande | Mergus merganser |
| All names | Serreta Mediana | Mergus serrator |
| All names | Silbón Americano | Anas americana |
| All names | Silbón Europeo | Anas penelope |
| All names | Sinsonte castaño | Toxostoma rufum |
| All names | Sinsonte Común | Mimus polyglottos |
| All names | Sinsonte Maullador | Dumetella carolinensis |
| All names | Sisón | Tetrax tetrax |
| All names | Sisón Común | Tetrax tetrax |
| All names | Sita Corsa | Sitta whiteheadi |
| All names | Sita de Eurasia | Sitta europaea |
| All names | Sita de Kruper | Sitta krueperi |
| All names | Sita de Pecho Rojo | Sitta canadensis |
| All names | Sita Roquera | Sitta neumayer |
| All names | Sita Roquera Oriental | Sitta tephronota |
| All names | Soldadito Arrocero | Dolichonyx oryzivorus |
| All names | Somormujo Cuellirrojo | Podiceps grisegena |
| All names | Somormujo Lavanco | Podiceps cristatus |
| All names | Suimagra rabilagra | Hedydipna metallica |
| All names | Suimanga palestrina | Cinnyris osea |
| All names | Suirirí Bicolor | Dendrocygna bicolor |
| All names | Suirirí Cariblanco | Dendrocygna viduata |
| All names | Suirirí leonado | Dendrocygna bicolor |
| All names | Tagarote | Falco pelegrinoides |
| All names | Tántalo | Mycteria ibis |
| All names | Tántalo Africano | Mycteria ibis |
| All names | Tarabilla canaria | Saxicola dacotiae |
| All names | Tarabilla común | Saxicola rubicola |
| All names | Tarabilla común siberiana | Saxicola maurus |
| All names | Tarabilla Isleña | Saxicola dacotiae |
| All names | Tarabilla Norteña | Saxicola rubetra |
| All names | Tarabilla Pálida | Saxicola caprata |
| All names | Tarabilla pía | Saxicola caprata |
| All names | Tarabilla termitera | Myrmecocichla aethiops |
| All names | Tarro Blanco | Tadorna tadorna |
| All names | Tarro Canelo | Tadorna ferruginea |
| All names | Tejedor de cabeza negra | Ploceus cucullatus |
| All names | Tejedor listado | Ploceus manyar |
| All names | Terrera Colinegra | Ammomanes cinctura |
| All names | Terrera Común | Calandrella brachydactyla |
| All names | Terrera desértica | Ammomanes deserti |
| All names | Terrera Marismeña | Calandrella rufescens |
| All names | Terrera Raytal | Calandrella raytal |
| All names | Terrera Sahariana | Ammomanes deserti |
| All names | Tiñosa Boba | Anous stolidus |
| All names | Tirano Oriental | Tyrannus tyrannus |
| All names | Torcecuello | Jynx torquilla |
| All names | Torcecuello Euroasiático | Jynx torquilla |
| All names | Tordalino arábigo | Turdoides squamiceps |
| All names | Tordalino colilargo | Turdoides caudata |
| All names | Tordalino iraqui | Turdoides altirostris |
| All names | Tordalino rojizo | Turdoides fulva |
| All names | Tordo Cachetón | Catharus fuscescens |
| All names | Tordo de Cara Gris | Catharus minimus |
| All names | Tordo Olivo | Catharus ustulatus |
| All names | Torillo | Turnix sylvaticus |
| All names | Torillo Andaluz | Turnix sylvaticus |
| All names | Tórtola común | Streptopelia turtur |
| All names | Tórtola de Hume | Strix butleri |
| All names | Tórtola Europea | Streptopelia turtur |
| All names | Tórtola lapón | Strix nebulosa |
| All names | Tórtola Oriental | Streptopelia orientalis |
| All names | Tórtola rabilarga | Oena capensis |
| All names | Tórtola reidora | Streptopelia senegalensis |
| All names | Tórtola rosigris | Streptopelia roseogrisea |
| All names | Tórtola Rosigrís | Streptopelia roseogrisea |
| All names | Tórtola Senegalesa | Streptopelia senegalensis |
| All names | Tórtola Turca | Streptopelia decaocto |
| All names | Tórtola uralense | Strix uralensis |
| All names | Tortolita Rabilarga | Oena capensis |
| All names | Totovia | Lullula arborea |
| All names | Trepa Paredes | Tichodroma muraria |
| All names | Trepador argelino | Sitta ledanti |
| All names | Trepador armenio | Sitta tephronota |
| All names | Trepador azul | Sitta europaea |
| All names | Trepador canadiense | Sitta canadensis |
| All names | Trepador común | Sitta europaea |
| All names | Trepador corso | Sitta whiteheadi |
| All names | Trepador de Krúeper | Sitta krueperi |
| All names | Trepador rupestre | Sitta neumayer |
| All names | Treparriscos | Tichodroma muraria |
| All names | Triguero | Emberiza calandra |
| All names | Turpial cabecigualdo | Xanthocephalus xanthocephalus |
| All names | Turpial de Cabeza Amarilla | Xanthocephalus xanthocephalus |
| All names | Turpial Oriental | Sturnella magna |
| All names | Urogallo | Tetrao urogallus |
| All names | Urogallo Común | Tetrao urogallus |
| All names | Urogallo Piquinegro | Tetrao parvirostris |
| All names | Urraca | Pica pica |
| All names | Urraca de Pico Negro | Pica pica |
| All names | Urraca de Rabo Largo | Cyanopica cyanus |
| All names | Vaquero de Cabeza Castaña | Molothrus ater |
| All names | Vencejo Cafre | Apus caffer |
| All names | Vencejo Común | Apus apus |
| All names | Vencejo culiblanco | Apus affinis |
| All names | Vencejo de Cabo Verde | Apus alexandri |
| All names | Vencejo de Chimenea | Chaetura pelagica |
| All names | Vencejo del Pacifico | Apus pacificus |
| All names | Vencejo del Pacífico | Apus pacificus |
| All names | Vencejo espinoso | Chaetura pelagica |
| All names | Vencejo Mongol | Hirundapus caudacutus |
| All names | Vencejo Moro | Apus affinis |
| All names | Vencejo Pálido | Apus pallidus |
| All names | Vencejo palmero | Cypsiurus parvus |
| All names | Vencejo Real | Tachymarptis melba |
| All names | Vencejo Unicolor | Apus unicolor |
| All names | Verdecillo | Serinus serinus |
| All names | Verdecillo serrano | Serinus citrinella |
| All names | Verderón Común | Carduelis chloris |
| All names | Verdéron común | Carduelis chloris |
| All names | Verderón Serrano | Serinus citrinella |
| All names | Verdéron serrano | Serinus citrinella |
| All names | Verdicello frontigualdo | Serinus pusillus |
| All names | Verdicello sirio | Serinus syriacus |
| All names | Vireo Anteojillo | Vireo solitarius |
| All names | Vireo de Cuello Amarilla | Vireo flavifrons |
| All names | Vireo de Ojos Blancos | Vireo griseus |
| All names | Vireo de Ojos Rojos | Vireo olivaceus |
| All names | Vireo Gris-olivo | Vireo philadelphicus |
| All names | Vireo ojirojo | Vireo olivaceus |
| All names | Viuda de Cola Aguda | Vidua macroura |
| All names | Vuelvepiedras | Arenaria interpres |
| All names | Vuelvepiedras Común | Arenaria interpres |
| All names | Zampullín | Podiceps |
| All names | Zampullín chico | Tachybaptus ruficollis |
| All names | Zampullín Común | Tachybaptus ruficollis |
| All names | Zampullín Cuellinegro | Podiceps nigricollis |
| All names | Zampullín Cuellirrojo | Podiceps auritus |
| All names | Zampullín Picogrueso | Podilymbus podiceps |
| All names | Zarapito Chico | Numenius minutus |
| All names | Zarapito Esquimal | Numenius borealis |
| All names | Zarapito Fino | Numenius tenuirostris |
| All names | Zarapito menor | Numenius minutus |
| All names | Zarapito Real | Numenius arquata |
| All names | Zarapito Siberiano | Numenius madagascariensis |
| All names | Zarapito Trinador | Numenius phaeopus |
| All names | Zarcero Común | Hippolais polyglotta |
| All names | Zarcero de Upcher | Hippolais languida |
| All names | Zarcero Escita | Hippolais caligata |
| All names | Zarcero Grande | Hippolais olivetorum |
| All names | Zarcero Icterino | Hippolais icterina |
| All names | Zarcero Pálido | Hippolais pallida |
| All names | Zarcero Pálido Occidental | Hippolais opaca |
| All names | Zenaida Huilota | Zenaida macroura |
| All names | Zorzal alirrojo | Turdus iliacus |
| All names | Zorzal carigrís | Catharus minimus |
| All names | Zorzal cejiblanco | Zoothera sibirica |
| All names | Zorzal Charlo | Turdus viscivorus |
| All names | Zorzal cinchado | Ixoreus naevius |
| All names | Zorzal Común | Turdus philomelos |
| All names | Zorzal de Alas Rojas | Turdus iliacus |
| All names | Zorzal de Bicknell | Catharus bicknelli |
| All names | Zorzal de Cola Rojiza | Catharus guttatus |
| All names | Zorzal de Garganta Negra | Turdus ruficollis |
| All names | Zorzal de los bosques | Hylocichla mustelina |
| All names | Zorzal de Naumann | Turdus naumanni |
| All names | Zorzal de Pecho Cinchado | Ixoreus naevius |
| All names | Zorzal de Siberia | Zoothera sibirica |
| All names | Zorzal Dorado | Zoothera dauma |
| All names | Zorzal fuscescente | Catharus fuscescens |
| All names | Zorzal hermit | Catharus guttatus |
| All names | Zorzal Maculado | Hylocichla mustelina |
| All names | Zorzal papinegro | Turdus ruficollis |
| All names | Zorzal papirrojo | Turdus ruficollis |
| All names | Zorzal Real | Turdus pilaris |
| All names | Zorzal Rojigrís | Turdus obscurus |
| All names | Zorzal Unicolor | Turdus unicolor |
| All names | Zorzal ustulado | Catharus ustulatus |
