Class
Aves
4,773 species in this class. Browse scientific names and open each profile for distribution, taxonomy and available wildlife data.
Orders in Aves
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Families in Aves
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Species · page 51 of 80
Greenland Wheatear
Oenanthe oenanthe leucorhoa
Muscicapidae
Common Northern Wheatear
Oenanthe oenanthe oenanthe
Muscicapidae
Pied Wheatear
Oenanthe pleschanka
Muscicapidae
Lunulated Antbird
Oneillornis lunulatus
Thamnophilidae
White-throated Antbird
Oneillornis salvini
Thamnophilidae
Tristram's Starling
Onychognathus tristramii
Sturnidae
Bridled Tern
Onychoprion anaethetus
Laridae
Sooty Tern
Onychoprion fuscatus
Laridae
Amazonian Royal Flycatcher
Onychorhynchus coronatus
Tyrannidae
Western Amazonian Royal Flycatcher
Onychorhynchus coronatus castelnaui
Tyrannidae
Royal Flycatcher (Pacific)
Onychorhynchus coronatus occidentalis
TyrannidaeAmazonian Royal Flycatcher
Onychorhynchus coronatus swainsoni
Tyrannidae
Hoatzin
Opisthocomus hoazin
Opisthocomidae
Mountain Avocetbill
Opisthoprora euryptera
Trochilidae
Connecticut Warbler
Oporornis agilis
Parulidae
Brown Tanager
Orchesticus abeillei
Thraupidae
Eastern Mountaineer
Oreonympha nobilis
Trochilidae
Bearded Mountaineer (Western)
Oreonympha nobilis albolimbata
TrochilidaeBearded Mountaineer (Eastern)
Oreonympha nobilis nobilis
Trochilidae
Tawny-throated Dotterel
Oreopholus ruficollis
CharadriidaeChorlito cabezón sureño
Oreopholus ruficollis ruficollis
Charadriidae
Itatiaia spinetail
Oreophylax moreirae
Furnariidae
Andean Hillstar
Oreotrochilus estella
Trochilidae
Black-breasted Hillstar
Oreotrochilus melanogaster
TrochilidaeGreen-headed Hillstar
Oreotrochilus stolzmanni
Trochilidae
Orinoco Goose
Oressochen jubatus
Anatidae
African Golden Oriole
Oriolus auratus
Oriolidae
Indian Golden Oriole
Oriolus kundoo
Oriolidae
Eurasian Golden Oriole
Oriolus oriolus
Oriolidae
White-lored Tyrannulet
Ornithion inerme
Tyrannidae
Orochelidon andecola
Orochelidon andecola
Hirundinidae
Pale-footed Swallow
Orochelidon flavipes
Hirundinidae
Brown-bellied Swallow
Orochelidon murina
Hirundinidae
East Brazilian Chachalaca
Ortalis araucuan
Cracidae
Chaco Chachalaca
Ortalis canicollis
Cracidae
Rufous-headed Chachalaca
Ortalis erythroptera
Cracidae
Speckled Chachalaca
Ortalis guttata
CracidaeSpeckled Chachalaca
Ortalis guttata guttata
Cracidae
Little Chachalaca
Ortalis motmot
Cracidae
Chestnut-headed Chachalaca
Ortalis ruficeps
Cracidae
Scaled Chachalaca
Ortalis squamata
Cracidae
Buff-browed Chachalaca
Ortalis superciliaris
Cracidae
Olive-green Tanager
Orthogonys chloricterus
Mitrospingidae
Red-bellied Macaw
Orthopsittaca manilata
PsittacidaeRed-bellied Macaw
Orthopsittaca manilatus
Psittacidae
Green-naped Pheasant-pigeon
Otidiphaps nobilis
Columbidae
Great Bustard
Otis tarda
Otididae
Western Great Bustard
Otis tarda tarda
Otididae
Madagascar Scops-owl
Otus rutilus
Strigidae
Eurasian Scops Owl
Otus scops
Strigidae
Sharpbill
Oxyruncus cristatus
Cotingidae
Blue-billed Duck
Oxyura australis
Anatidae
Andean Duck
Oxyura ferruginea
Anatidae
Andean Duck (ferruginea)
Oxyura ferruginea ferruginea
Anatidae
Ruddy Duck
Oxyura jamaicensis
Anatidae
Ruddy Duck
Oxyura jamaicensis jamaicensis
Anatidae
White-headed Duck
Oxyura leucocephala
Anatidae
Maccoa Duck
Oxyura maccoa
Anatidae
Lake Duck
Oxyura vittata
Anatidae
Slender-billed Prion
Pachyptila belcheri
Procellariidae