- Asian Pied Hornbill
- Asian Pied Myna
- Asian Pied Starling
- Asian Red-eyed Bulbul
- Asian Rosy-Finch
- Asian Rosy Finch
- Asian Short-toed Lark
- Asian Stubtail
- Asian White-backed Vulture
- Asio
- Asio abyssinicus
- Asio capensis
- Asio capensis tingitanus
- Asio clamator
- Asio flammeus
- Asio flammeus galapogoensis
- Asio flammeus palidicaudus
- Asio flammeus sandwichensis
- Asio madagascariensis
- Asio otus
- Asio stygius
- Asir Magpie
- Askania-Nova Reserve
- Askania-Nova Reserve Ukraine
- Aspatha
- Aspatha gularis
- Asprokremmos Dam
- Asprokremmos Dam Cyprus
- Assabet River National Wildlife Refuge
- Assam
- Assam Grey Drongo
- Assam Hornbill
- Assam Laughingthrush
- Asthenes
- Asthenes anthoides
- Asthenes arequipae
- Asthenes ayacuchensis
- Asthenes baeri
- Asthenes berlepschi
- Asthenes cactorum
- Asthenes coryi
- Asthenes dorbignyi
- Asthenes flammulata
- Asthenes fuliginosa
- Asthenes griseomurina
- Asthenes harterti
- Asthenes helleri
- Asthenes heterura
- Asthenes huancavelicae
- Asthenes hudsoni
- Asthenes humicola
- Asthenes humilis
- Asthenes luizae
- Asthenes maculicauda
- Asthenes modesta
- Asthenes moreirae
- Asthenes ottonis
- Asthenes palpebralis
- Asthenes patagonica
- Asthenes perijana
- Asthenes pudibunda
- Asthenes pyrrholeuca
- Asthenes sclateri
- Asthenes steinbachi
- Asthenes urubambensis
- Asthenes vilcabambae
- Asthenes virgata
- Asthenes wyatti
- Astrapia
- Astrapia mayeri
- Astrapia nigra
- Astrapia rothschildi
- Astrapia splendidissima
- Astrapia stephaniae
- Asturina
- Asturina nitida
- Asturina plagiata
- Aswan
- Aswan Egypt
- Atalotriccus pilaris
- Atanasovo Lake(Burgas)
- Atchafalaya National Wildlife Refuge
- Atelornis
- Atelornis crossleyi
- Atelornis pittoides
- Atewa
- Athene
- Athene blewitti
- Athene brama
- Athene cunicularia
- Athene cunicularia carrikeri
- Athene cunicularia grallaria
- Athene cunicularia hypugaea
- Athene lilith
- Athene noctua
- Athene noctua lilith
- Athene superciliaris
- Atherton Scrubwren
- Atherton Tablelands
- Athi Short-toed Lark
- Atimastillas
- Atimastillas flavicollis
- Atitlan Grebe
- Atiu Swiftlet
- Atlantic Canary
- Atlantic Petrel
- Atlantic Puffin
- Atlantic Royal Flycatcher
- Atlantisia
- Atlantisia rogersi
- Atlapetes
- Atlapetes albiceps
- Atlapetes albinucha
- Atlapetes albofrenatus
- Atlapetes blancae
- Atlapetes brunneinucha
- Atlapetes brunneinucha elsae
- Atlapetes canigenis
- Atlapetes citrinellus
- Atlapetes crassus
- Atlapetes flaviceps
- Atlapetes forbesi
- Atlapetes fulviceps
- Atlapetes fuscoolivaceus
- Atlapetes gutturalis
- Atlapetes gutturalis brunnescens
- Atlapetes latinuchus
- Atlapetes leucopis
- Atlapetes leucopterus
- Atlapetes melanocephalus
- Atlapetes melanolaemus
- Atlapetes melanopsis
- Atlapetes meridae
- Atlapetes nationi
- Atlapetes nigrifrons
- Atlapetes pallidiceps
- Atlapetes pallidinucha
- Atlapetes personatus
- Atlapetes pileatus
- Atlapetes rufigenis
- Atlapetes rufinucha
- Atlapetes schistaceus
- Atlapetes schistaceus taczanowskii
- Atlapetes seebohmi
- Atlapetes semirufus
- Atlapetes terborghi
- Atlapetes torquatus
- Atlapetes tricolor
- Atlapetes virenticeps
- Atlas Flycatcher
- Atlas Pied Flycatcher
- Atoll Fruit-Dove
- Atoll Fruit Dove
- Atoll Starling
- Atrichornis
- Atrichornis clamosus
- Atrichornis rufescens
- Atrichornithidae
- Atronanus fuliginosus
- Attagis
- Attagis gayi
- Attagis malouinus
- Attenborough Nature Reserve
- Atthis
- Atthis ellioti
- Atthis heloisa
- Atticora
- Atticora fasciata
- Atticora melanoleuca
- Atticora pileata
- Atticora tibialis
- Attila
- Attila bolivianus
- Attila cinnamomeus
- Attila citriniventris
- Attila phoenicurus
- Attila rufus
- Attila spadiceus
- Attila torridus
- Attwater's Prairie-Chicken
- Attwater's Prairie Chicken
- Attwater NWR
- Attwater Prairie Chicken NWR
- Attwater Prairie Chicken National Wildlife Refuge
- Auchengate Camp
- Auchengate Camp(South Ayrshire)
- Auckland Island Shag
- Auckland Islands Merganser
- Auckland Islands Rail
- Auckland Islands Shag
- Auckland Islands Teal
- Auckland Rail
- Auckland Shag
- Auckland Teal
- Audouin's Gull
- Audubon's Caracara
- Audubon's Oriole
- Audubon's Shearwater
- Audubon's Warbler
- Audubon\'s Shearwater
- Audubon 8.5x44mm ED
- Audubon 828 HHS
- Augastes
- Augastes geoffroyi
- Augastes lumachella
- Augastes lumachellus
- Augastes scutatus
- Augur Buzzard
- Aukstaitija National Park
- Aukstaitijos National Park
- Aulachoryhychus haematopygus
- Aulacorhynchus
- Aulacorhynchus albivitta
- Aulacorhynchus atrogularis
- Aulacorhynchus caeruleogularis
- Aulacorhynchus calorhynchus
- Aulacorhynchus coeruleicinctis
- Aulacorhynchus cognatus
- Aulacorhynchus derbianus
- Aulacorhynchus haematopygus
- Aulacorhynchus huallagae
- Aulacorhynchus lautus
- Aulacorhynchus prasinus
- Aulacorhynchus prasinus albivitta
- Aulacorhynchus prasinus caeruleogularis
- Aulacorhynchus prasinus cyanolaemus
- Aulacorhynchus prasinus griseigularis
- Aulacorhynchus sulcatus
- Aulacorhynchus wagleri
- Aulacorhynchus whitelianus
- Auriparus
- Auriparus flaviceps
- Auripasser
- Auripasser euchlorus
- Auripasser luteus
- Austen's Babbler
- Austen's Barwing
- Austen's Brown Hornbill
- Austen's Laughingthrush
- Austen's Small Wren-Babbler
- Austen's Small Wren Babbler
- Austen's Spotted Babbler
- Austral Blackbird
- Austral Canastero
- Austral Negrito
- Austral Parakeet
- Austral Pygmy-Owl
- Austral Pygmy Owl
- Austral Rail
- Austral Screech Owl
- Austral Thrush
- Australasia
- Australasian Bittern
- Australasian Bushlark
- Australasian Darter
- Australasian Figbird
- Australasian Gannet
- Australasian Grass-Owl
- Australasian Grass Owl
- Australasian Grebe
- Australasian Lark
- Australasian Little Grebe
- Australasian Magpie
- Australasian Pipit
- Australasian Shoveler
- Australasian Swamphen
- Australia
- Australian Barn Owl
- Australian Bittern
- Australian Black-shouldered Kite
- Australian Bronze-Cuckoo
- Australian Bronze Cuckoo
- Australian Brush-Turkey
- Australian Brush Turkey
- Australian Brushturkey
- Australian Bustard
- Australian Butcherbird
- Australian Cassowary
- Australian Collared Sparrowhawk
- Australian Crake
- Australian Crow
- Australian Darter
- Australian Dotterel
- Australian Fairy Tern
- Australian Figbird
- Australian Gannet
- Australian Golden Whistler
- Australian Grass-Owl
- Australian Grass Owl
- Australian Harrier
- Australian Hobby
- Australian Ibis
- Australian Kestrel
- Australian King-Parrot
- Australian King Parrot
- Australian Kite
- Australian Koel
- Australian Logrunner
- Australian Magpie
- Australian Magpie-lark
- Australian Magpie Lark
- Australian Masked-Owl
- Australian Masked Owl
- Australian Owlet-Nightjar
- Australian Owlet-nightjar
- Australian Owlet Nightjar
- Australian Painted-snipe
- Australian Painted Snipe
- Australian Pale White-eye
- Australian Pelican
- Australian Pied Cormorant
- Australian Pipit
- Australian Pratincole
- Australian Raven
- Australian Reed-Warbler
- Australian Reed Warbler
- Australian Regent Bowerbird
- Australian Regentbird
- Australian Ringneck
- Australian Shelduck
- Australian Shoveler
- Australian Spotted Crake
- Australian Stilt
- Australian Swiftlet
- Australian Trumpetbird
- Australian White-eyed Duck
- Australian White-eyed Pochard
- Australian White Ibis
- Australian Wood Duck
- Australian Yellow Oriole
- Australian Yellow White-eye
- Australian white ibis
- Austria
- Automolus
- Automolus dorsalis
- Automolus infuscatus
- Automolus lammi
- Automolus leucophthalmus
- Automolus melanopezus
- Automolus ochrolaemus
- Automolus ochrolaemus hypophaeus
- Automolus paraensis
- Automolus roraimae
- Automolus rubiginosus
- Automolus rufipectus


