Birds (class Aves) are a group of endothermic vertebrates, characterised by feathers, a beak with no teeth, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a lightweight but strong skeleton. Scientific consensus is that birds are modern theropod dinosaurs. Birds have more or less developed wings; the only known groups without wings are the extinct moa and elephant birds. Wings are evolved forelimbs, and most bird species can fly. Flightless birds include ratites, penguins, and diverse endemic island species. Some species of birds, particularly penguins and members of the duck family, are adapted for swimming. Birds also have digestive and respiratory systems that are uniquely adapted for flight. Some birds, especially corvids and parrots, are among the most intelligent animals; several bird species make and use tools, and many social species pass on knowledge across generations, which is considered a form of culture.
Merops persicus
Merops apiaster
Botaurus stellaris
Ixobrychus minutus
Turdus merula
Sylvia atricapilla
Luscinia svecica
Pycnonotus cafer
Pycnonotus leucotis
Emberiza melanocephala
Emberiza calandra
Emberiza caesia
Emberiza (cineracea )semenowi
Emberiza hortulana
Emberiza rustica
Emberiza striolata
Emberiza cineracea
Chlamydotis macqueenii
Pernis apivorus
Buteo rufinus
Buteo buteo vulpinus
Fringilla coelebs
Phylloscopus collybita
Fulica atra
Phalacrocorax carbo
Phalacrocorax nigrogularis
Crex crex
Cursorius cursor
Porzana parva
Porzana porzana
Grus grus
Corvus splendens
Cuculus canorus
Clamator glandarius
Oxylophus jacobinus
Numenius arquata
Charadrius morinellus
Streptopelia decaocto
Streptopelia turtur
Spilopelia senegalensis
Oena capensis
Columba livia
Aythya nyroca
Marmaronetta angustirostris
Aythya fuligula
Calidris alpina
Aquila pennata
Aquila heliaca
Aquila clanga
Circaetus gallicus
Aquila nipalensis
Egrets and Heronsta garzetta
Bubulacus ibis
Egrets and Heronsta alba
Falco amurensis
Falco (penegrinus) pelegrinoides
Falco biarmicus
Falco peregrinus
Falco cherrug
Falco concolor
Rodospiza obsoleta
Bucanetes githagineus
Phoenicopterus roseus
Ficedula parva
Ficedula semitorquata
Muscicapa striata
Francolinus pondicerianus
Anas strepera
Anas querquedula
Limosa lapponica
Limosa limosa
Nettapus coromandelianus
Alopochen aegyptiaca
Anser albifrons
Podiceps nigricollis
Podiceps cristatus
Tachybaptus ruficollis
Tringa nebularia
Anser anser
Larus armenicus
Larus fuscus fuscus
Larus cachinnas
Chroicocephalus ridibundus
Larus ichthyaetus
Chroicocephalus genei
Larus barabensis
Larus heuglini
Larus hemprichii
Circus cyaneus
Circus pygargus
Circus macrourus
Circus aeruginosus
Nycticorax nycticorax
Ardea goliath
Ardea cinerea
Ardea purpurea
Ardeola ralloides
Butorides striata
Egrets and Heronsta gularis
Falco subbuteo
Upupa epops
Alaemon alaudipes
Hypocolius ampelinus
Falco tinnunculus
Falco naumanni
Alcedo atthis
Ceryle rudis
Halcyon smyrensis
Milvus migrans
Milvus (migrans) lineatus
Elanus caeruleus
Calidris tenuirostris
Eudynamys scolopaceus
Vanellus vanellus
Vanellus indicus
Vanellus gregarius
Vanellus spinosus
Vanellus leucurus
Ammomanes cincturus
Melanocorypha bimaculata
Galerida cristata
Ammomanes deserti
Calandrella branchdatyla
Callendrella rufescens
Oriolus oriolus
Pandion haliaetus
Struthio camelus camelus
Turdus torquatus
Tyto alba
Otus scops
Athene noctua
Asio otus
Otus brucei
Bubo ascalaphus
Asio flammeus
Haematopus ostralegus
Psittacula eupatria
Psittacula krameri
Pavo cristatus
Pelecanus onocrotalus
Phalaropus lobatus
Recurvirostra avosetta
Anas acuta
Anthus pratensis
Anthus cervinus
Anthus (novaeseelandiae) richardi
Anthus campestris
Anthus trivialis
Anthus spinoletta
Charadrius asiaticus
Charadrius hiaticula
Dromas ardeola
Pluvialis apricaria
Charadrius leschenaultii
Pluvialis squatarola
Charadrius alexandrinus
Charadrius mongolus
Charadrius dubius
Pluvialis fulva
Aythya ferina
Netta rufina
Glareola nordmanni
Glareola pratincola
Prinia gracilis
Rallus aquaticus
Tringa totanus
Tringa erythropus
Phoenicurus ochruros
Phoenicurus phoenicurus
Phoenicurus erythronotus
Acrocephalus scripaceus
Cercotrichas podobe
Erithacus rubecula
Cercotrichas galactotes
Irania gutturalis
Carpospiza brachydactyla
Coracias garrulus
Coracias benghalensis
Carpodacus erythrinus
Philomachus pugnax
Calidris alba
Pterocles exustus
Limicola falcinellus
Actitis hypoleucos
Calidris ferruginea
Tringa ochropus
Tringa stagnatilis
Xenus cinereus
Tringa glareola
Tadorna tadorna
Tadorna ferruginea
Anas clypeata
Lanius vittatus
Lanius isabellinus
Lanius minor
Lanius nubicus
Lanius collurio
Lanius meridionalis
Lanius (meridionalis)pallidirostris
Lanius (isabellinus) phoenicuroides
Lanius senator
Lanchura malabarica
Carduelis spinus
Stercorarius parasiticus
Stercorarius longicaudus
Stercorarius pomarinus
Alauda arvensis
Gallinago gallinago
Lymnocryptes minimus
Passer domesticus
Passer hispaniolensis
Gymnoris xanthocollis
Eremopterix nigriceps
Accipiter nisus
Accipiter brevipes
Platalea leucorodia
Sturnus vulgaris
Pastor roseus
Himantopous himantopus
Calidris minuta
Calidris temminckii
Saxicola rubicola
Saxicola caprata
Saxicola maurus
Ciconia nigra
Ciconia ciconia
Mycteria ibis
Hirundo rustica
Cecropis daurica
Porphyrio madagscariensis
Porphyrio porphyrio
Cygnus cygnus
Tachymarptis melba
Apus apus
Apus pallidus
Anas crecca
Onychoprion anaethetus
Hydroprogne caspia
Sterna hirundo
Gelochelidon nilotica
Sterna bengalensis
Sterna albifrons
Sterna sandvicensis
Sternula (albifrons) saudersi
Sterna bergii
Chlidonias hybrida
Sterna repressa
Orychoprion leucopterus
Turdus atrogularis
Monticola solitarius
Turdus ruficollis
Monticola saxatilis
Turdus philomelos
Remiz pendulinus
Phaethon aethereus
Arenaria interpres
Motacilla citreola
Motacilla cinerea
Motacilla alba
Motacilla flava
Sylvia nana
Sylvia nisoria
Acrocephalus stentoreus
Locustella naevia
Iduna pallida
Sylvia crassirostris
Sylvia barin
Acrocephalus arundinaceus
Phylloscopus humei
Hippolais icterina
Acrocephalus palustris
Sylvia mytacea
Acrocephalus agricola
Phylloscopus neglectus
Locustella lusciniodes
Acrocephalus schoenobaenus
Iduna rama
Hippolais languida
Phylloscopus trochilus
Phylloscopus sibilatrix
Phylloscopus inornatus
Amaurornis phoenicurus
Ploceus manyar
Oenanthe deserti
Oenanthe (hispanica) melanoleuca
Oenanthe lugens
Oenanthe finschii
Oenanthe monacha
Oenanthe albonigra
Oenanthe isabellina
Oenanthe xanthoprymna
Oenanthe oenanthe
Oenanthe pleschanka
Oenanthe chrysopygia
Oenanthe picata
Oenanthe leucopyga
Numenius phaeopus
Saxicola rubetra
Sylvia communis
Sylvia minula
Sylvia althaea
Sylvia curruca
Anas penelope
Jynx torquilla
Emberiza melanocephala
Emberiza calandra
Emberiza caesia
Emberiza (cineracea )semenowi
Emberiza hortulana
Emberiza rustica
Emberiza striolata
Emberiza cineracea
Pernis apivorus
Buteo rufinus
Buteo buteo vulpinus
Falco amurensis
Falco (penegrinus) pelegrinoides
Falco biarmicus
Falco peregrinus
Falco cherrug
Falco concolor
Falco subbuteo
Falco columbarius
Aythya nyroca
Marmaronetta angustirostris
Aythya fuligula
Anas strepera
Anas querquedula
Anas platyrhynchos
Anas acuta
Aythya ferina
Netta rufina
Anas clypeata
Anas crecca
Anas penelope
Egrets and Heronsta garzetta
Bubulacus ibis
Egrets and Heronsta alba
Nycticorax nycticorax
Ardea goliath
Ardea cinerea
Ardea purpurea
Ardeola ralloides
Butorides striata
Egrets and Heronsta gularis
Fringilla coelebs
Rodospiza obsoleta
Bucanetes githagineus
Carpospiza brachydactyla
Carpodacus erythrinus
Lanchura malabarica
Carduelis spinus
Passer domesticus
Passer hispaniolensis
Gymnoris xanthocollis
Larus armenicus
Larus fuscus fuscus
Larus cachinnas
Chroicocephalus ridibundus
Larus ichthyaetus
Chroicocephalus genei
Larus barabensis
Larus heuglini
Larus hemprichii
Charadrius morinellus
Vanellus vanellus
Vanellus indicus
Vanellus gregarius
Vanellus spinosus
Vanellus leucurus
Charadrius asiaticus
Charadrius hiaticula
Dromas ardeola
Pluvialis apricaria
Charadrius leschenaultii
Pluvialis squatarola
Charadrius alexandrinus
Charadrius mongolus
Charadrius dubius
Pluvialis fulva
Alaemon alaudipes
Ammomanes cincturus
Melanocorypha bimaculata
Galerida cristata
Ammomanes deserti
Calandrella branchdatyla
Callendrella rufescens
Alauda arvensis
Eremopterix nigriceps
Calidris alpina
Tringa nebularia
Calidris tenuirostris
Phalaropus lobatus
Tringa totanus
Tringa erythropus
Philomachus pugnax
Calidris alba
Limicola falcinellus
Actitis hypoleucos
Calidris ferruginea
Tringa ochropus
Tringa stagnatilis
Xenus cinereus
Tringa glareola
Calidris minuta
Calidris temminckii
Lanius vittatus
Lanius isabellinus
Lanius minor
Lanius nubicus
Lanius collurio
Lanius meridionalis
Lanius (meridionalis)pallidirostris
Lanius (isabellinus) phoenicuroides
Lanius senator
Onychoprion anaethetus
Hydroprogne caspia
Sterna hirundo
Gelochelidon nilotica
Sterna bengalensis
Sterna albifrons
Sterna sandvicensis
Sternula (albifrons) saudersi
Sterna bergii
Chlidonias hybrida
Sterna repressa
Sylvia atricapilla
Phylloscopus collybita
Prinia gracilis
Acrocephalus scripaceus
Sylvia nana
Sylvia nisoria
Acrocephalus stentoreus
Locustella naevia
Iduna pallida
Sylvia crassirostris
Sylvia barin
Acrocephalus arundinaceus
Phylloscopus humei
Hippolais icterina
Acrocephalus palustris
Sylvia mytacea
Acrocephalus agricola
Phylloscopus neglectus
Locustella lusciniodes
Acrocephalus schoenobaenus
Iduna rama
Hippolais languida
Phylloscopus trochilus
Phylloscopus sibilatrix
Phylloscopus inornatus
Oenanthe deserti
Oenanthe (hispanica) melanoleuca
Oenanthe lugens
Oenanthe finschii
Oenanthe monacha
Oenanthe albonigra
Oenanthe isabellina
Oenanthe xanthoprymna
Oenanthe oenanthe
Oenanthe pleschanka
Oenanthe chrysopygia
Oenanthe picata
Oenanthe leucopyga
Merops persicus
Merops apiaster
Botaurus stellaris
Ixobrychus minutus
Turdus merula
Sylvia atricapilla
Luscinia svecica
Pycnonotus cafer
Pycnonotus leucotis
Emberiza melanocephala
Emberiza calandra
Emberiza caesia
Emberiza (cineracea )semenowi
Emberiza hortulana
Emberiza rustica
Emberiza striolata
Emberiza cineracea
Chlamydotis macqueenii
Pernis apivorus
Buteo rufinus
Buteo buteo vulpinus
Fringilla coelebs
Phylloscopus collybita
Fulica atra
Phalacrocorax carbo
Phalacrocorax nigrogularis
Crex crex
Cursorius cursor
Porzana parva
Porzana porzana
Grus grus
Corvus splendens
Cuculus canorus
Clamator glandarius
Oxylophus jacobinus
Numenius arquata
Charadrius morinellus
Streptopelia decaocto
Streptopelia turtur
Spilopelia senegalensis
Oena capensis
Columba livia
Aythya nyroca
Marmaronetta angustirostris
Aythya fuligula
Calidris alpina
Aquila pennata
Aquila heliaca
Aquila clanga
Circaetus gallicus
Aquila nipalensis
Egrets and Heronsta garzetta
Bubulacus ibis
Egrets and Heronsta alba
Falco amurensis
Falco (penegrinus) pelegrinoides
Falco biarmicus
Falco peregrinus
Falco cherrug
Falco concolor
Rodospiza obsoleta
Bucanetes githagineus
Phoenicopterus roseus
Ficedula parva
Ficedula semitorquata
Muscicapa striata
Francolinus pondicerianus
Anas strepera
Anas querquedula
Limosa lapponica
Limosa limosa
Nettapus coromandelianus
Alopochen aegyptiaca
Anser albifrons
Podiceps nigricollis
Podiceps cristatus
Tachybaptus ruficollis
Tringa nebularia
Anser anser
Larus armenicus
Larus fuscus fuscus
Larus cachinnas
Chroicocephalus ridibundus
Larus ichthyaetus
Chroicocephalus genei
Larus barabensis
Larus heuglini
Larus hemprichii
Circus cyaneus
Circus pygargus
Circus macrourus
Circus aeruginosus
Nycticorax nycticorax
Ardea goliath
Ardea cinerea
Ardea purpurea
Ardeola ralloides
Butorides striata
Egrets and Heronsta gularis
Falco subbuteo
Upupa epops
Alaemon alaudipes
Hypocolius ampelinus
Threskiornis aethiopicus
Plegadis falcinellus
Hydrophasianus chirurgus
Falco tinnunculus
Falco naumanni
Alcedo atthis
Ceryle rudis
Halcyon smyrensis
Milvus migrans
Milvus (migrans) lineatus
Elanus caeruleus
Calidris tenuirostris
Eudynamys scolopaceus
Vanellus vanellus
Vanellus indicus
Vanellus gregarius
Vanellus spinosus
Vanellus leucurus
Ammomanes cincturus
Melanocorypha bimaculata
Galerida cristata
Ammomanes deserti
Calandrella branchdatyla
Callendrella rufescens
Anas platyrhynchos
Delichon urbicum
Ptyonoprogne rupestris
Ptyonoprogne (fuligula) obsolete
Riparia riparia
Falco columbarius
Gallinula chloropus
Acridotheres tristis
Luscinia megarhynchos
Lucinia (megarhynchos) golzii
Luscinia luscinia
Caprimulgus aegyptius
Caprimulgus europaeus
Oriolus oriolus
Pandion haliaetus
Struthio camelus camelus
Turdus torquatus
Tyto alba
Otus scops
Athene noctua
Asio otus
Otus brucei
Bubo ascalaphus
Asio flammeus
Haematopus ostralegus
Psittacula eupatria
Psittacula krameri
Pavo cristatus
Pelecanus onocrotalus
Phalaropus lobatus
Recurvirostra avosetta
Anas acuta
Anthus pratensis
Anthus cervinus
Anthus (novaeseelandiae) richardi
Anthus campestris
Anthus trivialis
Anthus spinoletta
Charadrius asiaticus
Charadrius hiaticula
Dromas ardeola
Pluvialis apricaria
Charadrius leschenaultii
Pluvialis squatarola
Charadrius alexandrinus
Charadrius mongolus
Charadrius dubius
Pluvialis fulva
Aythya ferina
Netta rufina
Glareola nordmanni
Glareola pratincola
Prinia gracilis
Coturnix coturnix
Rallus aquaticus
Tringa totanus
Tringa erythropus
Phoenicurus ochruros
Phoenicurus phoenicurus
Phoenicurus erythronotus
Acrocephalus scripaceus
Cercotrichas podobe
Erithacus rubecula
Cercotrichas galactotes
Irania gutturalis
Carpospiza brachydactyla
Coracias garrulus
Coracias benghalensis
Carpodacus erythrinus
Philomachus pugnax
Calidris alba
Pterocles exustus
Limicola falcinellus
Actitis hypoleucos
Calidris ferruginea
Tringa ochropus
Tringa stagnatilis
Xenus cinereus
Tringa glareola
Tadorna tadorna
Tadorna ferruginea
Anas clypeata
Lanius vittatus
Lanius isabellinus
Lanius minor
Lanius nubicus
Lanius collurio
Lanius meridionalis
Lanius (meridionalis)pallidirostris
Lanius (isabellinus) phoenicuroides
Lanius senator
Lanchura malabarica
Carduelis spinus
Stercorarius parasiticus
Stercorarius longicaudus
Stercorarius pomarinus
Alauda arvensis
Gallinago gallinago
Lymnocryptes minimus
Passer domesticus
Passer hispaniolensis
Gymnoris xanthocollis
Eremopterix nigriceps
Accipiter nisus
Accipiter brevipes
Platalea leucorodia
Sturnus vulgaris
Pastor roseus
Himantopous himantopus
Calidris minuta
Calidris temminckii
Saxicola rubicola
Saxicola caprata
Saxicola maurus
Ciconia nigra
Ciconia ciconia
Mycteria ibis
Hirundo rustica
Cecropis daurica
Porphyrio madagscariensis
Porphyrio porphyrio
Cygnus cygnus
Tachymarptis melba
Apus apus
Apus pallidus
Anas crecca
Onychoprion anaethetus
Hydroprogne caspia
Sterna hirundo
Gelochelidon nilotica
Sterna bengalensis
Sterna albifrons
Sterna sandvicensis
Sternula (albifrons) saudersi
Sterna bergii
Chlidonias hybrida
Sterna repressa
Orychoprion leucopterus
Turdus atrogularis
Monticola solitarius
Turdus ruficollis
Monticola saxatilis
Turdus philomelos
Remiz pendulinus
Phaethon aethereus
Arenaria interpres
Neophron percnopterus
Motacilla citreola
Motacilla cinerea
Motacilla alba
Motacilla flava
Sylvia nana
Sylvia nisoria
Acrocephalus stentoreus
Locustella naevia
Iduna pallida
Sylvia crassirostris
Sylvia barin
Acrocephalus arundinaceus
Phylloscopus humei
Hippolais icterina
Acrocephalus palustris
Sylvia mytacea
Acrocephalus agricola
Phylloscopus neglectus
Locustella lusciniodes
Acrocephalus schoenobaenus
Iduna rama
Hippolais languida
Phylloscopus trochilus
Phylloscopus sibilatrix
Phylloscopus inornatus
Amaurornis phoenicurus
Ploceus manyar
Oenanthe deserti
Oenanthe (hispanica) melanoleuca
Oenanthe lugens
Oenanthe finschii
Oenanthe monacha
Oenanthe albonigra
Oenanthe isabellina
Oenanthe xanthoprymna
Oenanthe oenanthe
Oenanthe pleschanka
Oenanthe chrysopygia
Oenanthe picata
Oenanthe leucopyga
Numenius phaeopus
Saxicola rubetra
Sylvia communis
Sylvia minula
Sylvia althaea
Sylvia curruca
Anas penelope
Jynx torquilla