Aves
Ovum
Gallus
Ala
Aquila
Passeriformes
Penna
Insula_Norfolcia
Ornithologia
Psittaciformes
Columbidae
Rostrum_(beccus)
Cygnus
Strigiformes
Insula_Wake
Anas_(avis)
Donaldus_Anas
Nidus
Insula_Baker
Latitudo_alarum
Corvus
Siphonaptera
Struthio
Anatidae
Columba_(avis)
Falco
Corvidae
Piciformes
Passeri
Aquila_chrysaetos
Upupa_epops
Pelecanidae
Accipitridae
Pavo_(genus)
Meleagris_gallopavo
Passer_domesticus
Spheniscidae
Corvus_corax
Anseriformes
Strigidae
Fulvus
Anas_platyrhynchos
Galliformes
Turdus_merula
Vultur
Raphus_cucullatus
Olivarius_Messiaen
Insula_Bouvet
Falco_peregrinus
Luscinia_megarhynchos
Athene_noctua
Conradus_Lorenz
Bubo
Erithacus
Accipiter
Phasianidae
Platalea_leucorodia
Diomedeidae
Carolus_Lucianus_Bonaparte
Gruiformes
Ioannes_Gould
Trochilidae
Passer
Gyps_fulvus
Archosauria
Corvus_cornix
Turdidae
Ciconia_(avis)
Phalacrocorax_carbo
Streptopelia_turtur
Nicolaus_Tinbergen
Falconiformes
Sturnus_vulgaris
Rallidae
Falconaria
Cloaca_(anatomia)
Cyanistes_caeruleus
Muscicapidae
Melopsittacus_undulatus
Archaeopteryx
Gruidae
Guanum
Ardea_(avis)
Milvus_migrans
Ectopistes
Phoenicopterus
Ardea_cinerea
Motacilla_alba
Pelecaniformes
Nymphicus_hollandicus
Anser_anser
Gypaetus_barbatus
Apus_apus
Luscinia
Eduardus_Lear
Threskiornithinae
Turdus
Hirundo
Cygnus_cygnus
Ciconia_nigra
Meropidae
Threskiornithidae
Pyrrhocorax_graculus
Avis_civitatis
Columbarium_(aedificium)
Struthioniformes
Tachybaptus_ruficollis
Anas_(genus)
Tytonidae
Cacatuidae
Otididae
Spheniscus_demersus
Sturnus
Asio_otus
Hermannus_Schlegel
Maturinus_Iacobus_Brisson
Neognathae
Plegadis_falcinellus
Ioannes_Antonius_Scopoli
Kumimanu
Conradus_Iacobus_Temminck
Sitta_europaea
Passer_montanus
Georgius_A._Forster
Bucerotidae
Meliphagidae
Ciconiidae
Pelecanus_onocrotalus
Otus_scops
Buteo_lagopus
Hirundinidae
Hephaestia
Bucephala_clangula
Phoenicopteriformes
Motacilla_flava
Strix_(genus)
Botaurus_stellaris
Podicipedidae
Carolus_Wallace_Richmond
Oriolus_oriolus
Geronticus_eremita
Ninox_meeki
Turdus_migratorius
Georgius_Robertus_Gray
Picus_(genus)
Capus
Nycticorax_nycticorax
Branta_leucopsis
Avis_aquatica
Picus_canus
Buteo_jamaicensis
Asio
Didunculus_strigirostris
Rhea_americana
Agapornis
Ardeola_ralloides
Taeniopygia_guttata
Coliidae
Platalea
Leptoptilos_crumeniferus
Procne
Cardinalis_cardinalis
Strix_varia
Casuarius_casuarius
Anous_stolidus
Meleagris_ocellata
Brianus_Houghton_Hodgson
Balearica_pavonina
Furcula
Blasius_Merrem
Os_iugale
Alpes_Australianae
Balearica_regulorum
Ixobrychus_minutus
Agamia_agami
Cuculus
Porphyrio_(genus_avium)
Estrildidae
Thamnophilidae
Struthio_molybdophanes
Fulica
Avialae
Pelecanus_occidentalis
Iohannes_Matthaeus_Bechstein
Nystalus_obamai
Aptenodytes
Anas_superciliosa
Spinus_tristis
Fringillidae
Daniel_Gerardus_Elliot
Geopelia_cuneata
Nucifraga_columbiana
March_of_the_Penguins
Aphelocoma_coerulescens
Lonchura_oryzivora
Passeridae
Anas_erythrorhyncha
Ardeotis_arabs
Sialia
Apteryx_australis
Cracidae
Zosteropidae
Mino_dumontii
Charadriiformes
Laridae
Melanerpes_formicivorus
Melamprosops
Callonetta
Sturnidae
Bucerotiformes
Milvus
Ioel_Asaph_Allen
Columba_livia
Gulielmus_Bartram
Erythrura_cyaneovirens
Merops_revoilii
Cyanochen_cyanoptera
Lonchura_striata
Cuculidae
Picidae
Todiramphus_recurvirostris
Bostrychia_hagedash
Macropygia_ruficeps
Zosterops
Macropygia_tenuirostris
Macropygia_unchall
Mimidae
Apteryx
Pandion_haliaetus
Neotis_nuba
Pyrrhocorax
Enantiornithes
Reginaldus_Innes_Pocock
Aves_cohortales
Ptilinopus_perousii
Pica_pica
Hypargos_niveoguttatus
Ptilinopus
Alcidae
Columba_vitiensis
Oeno_Insula
Corvus_meeki
Chaetoptila_angustipluma
Paridae
Macropygia_emiliana
Pachycephala_flavifrons
Pachycephalidae
Phasianus_colchicus
Procellaria_Parkinsoni
Micropsitta_meeki
Macropygia_nigrirostris
Trogoniformes
Anthus_melindae
Coturnix_coturnix
Lamprotornis_caudatus
Foulehaio_carunculatus
Menura
Pachycephala
Tetrax_tetrax
Guilielmus_Turnerus
Macropygia_rufipennis
Hypargos_margaritatus
Zosterops_samoensis
Nystalus_striolatus
Porzana_cinerea
Bubo_bubo
Meleagris_(genus)
Ramphastidae
Zosterops_natalis
Lamprotornis_pulcher
Cygnus_atratus
Nectariniidae
Dromaius_novaehollandiae
Macropygia_magna
Zosterops_meeki
Troglodytidae
Cantor_montensis
Lalage_nigra
Cutis_gularis
Avis_maritima
Philemon_albitorques
Alaudidae
Procellariidae
Pyrrhula_pyrrhula
Stercorarius
Pomarea_fluxa
Thaumatibis_gigantea
Rhea_(avis)
Gymnomyza_samoensis
Ptiloprora_meekiana
Motacillidae
Rhipidura_nebulosa
Caprimulgidae
Myiagra_albiventris
Parus_major
Hydrobatidae
Lacus_Alexandrina_(Australia_Australis)
Lalage_sharpei
Pseudibis
Pachycephala_jacquinoti
Pactio_Ramsar
Ioannes_Iacobus_Audubon
Todiramphus
Macropygia
Campephaga
Paradisaeidae
Phalacrocorax
Tyto_pollens
Apodidae
Casuarius
Scolopacidae
Sulidae
Pteroclididae
Anulus_ocularis
Fregatidae
Loxia_curvirostra
Opisthocomus_hoazin
Cyanocitta_cristata
Aphelocoma
Emberiza
Cathartidae
Rallus
Tinamidae
Musophagidae
Notarium
Nystalus
Indicatoridae
Laniidae
Ducks_Unlimited
Threskiornis
Lacus_Albertus_(Australia_Australis)
Index_avium_Russiae
Sterninae
Carduelinae
Fratercula_cirrhata
Pycnonotidae
Avis_involatilis
Dinornithiformes
Pinguinus_impennis
Ptilinopus_pelewensis
Callaeas_cinereus
Loxia
Phaethontidae
Vini_vidivici
Pyrrhula
Insulae_Kermadecenses
Sagittarius_serpentarius
Nidopallium
Arachnothera
Callacanthis_burtoni
Discus_facialis
Balaeniceps_rex
Carolus_Augustus_Bolle
Mimus_polyglottos
Nidus_aerodramorum
Gastornis
Itys
Tetraoninae
Drepanidini
Turnicidae
Extinct_Birds
Balaenicipitidae
Thomas_Harnett_Harrisson
Eduardus_Pierson_Ramsay
Cyanistes
Ramphastos
Cyanocitta
Gallus_vinolentus
Erythrura
Ptilinopus_jambu
Ardeotis
Pampusana
Chalcoparia_singalensis
Confuciusornis
Trogon_surrucura
Harpactes_whiteheadi
Hemicircus
Harpactes_duvaucelii
Trogon_comptus
Arachnothera_flavigaster
Ptilinopus_chalcurus
Protodiscus_zambesiae
Arachnothera_juliae
Caprimulgus_madagascariensis
Constantinus_Gulielmus_Lambert_Gloger
Pampusana_beccarii
Certhioidea
Satrapa_icterophrys
Arachnothera_crassirostris
Mino
Lalage_(genus)
Protodiscus_regulus
Pomarea
Ptiloprora
Spizixos
Spizixos_semitorques
Knipolegus_lophotes
Knipolegus_cyanirostris
Melanorectes_nigrescens
Cinclosoma_ajax
Bucanetes
Carolus_Gualterius_De_Vis
Neocichla_gutturalis
Fredericus_de_Lafresnaye
Hyperpallium
Index_avium_Atropatenae
Societas_Ornithologica_Germaniae
Insula_Christi_Natalis_(Tasmania)
Oceanodroma_socorroensis
Todiramphus_gertrudae
Macropygia_arevarevauupa
Chroicocephalus_utunui
Coenocorypha_miratropica
Gallicolumba_nui
Gallirallus_vekamatolu
Linxiavis_inaquosus
Insula_Sancti_Pauli
Psittacus