- Abdim's Stork
- Abyssinian Ground Hornbill
- Abyssinian Roller
- Abyssinian White-eye
- Acorn Woodpecker
- Adamawa Turtle Dove
- Adelie Penguin
- African Blue Tit
- African Chaffinch
- African Collared Dove
- African Darter
- African Desert Warbler
- African Finfoot
- African Fish Eagle
- African Grey Hornbill
- African Grey Woodpecker
- African Harrier-Hawk
- African Houbara
- African Jacana
- African Openbill
- African Paradise Flycatcher
- African Pied Wagtail
- African Pygmy Goose
- African Sacred Ibis
- African Silverbill
- African Swamphen
- African Wattled Lapwing
- Allen's Gallinule
- Alpine Accentor
- Alpine Chough
- Alpine Swift
- Amazon Kingfisher
- Amazonian Motmot
- Amazonian Plain Xenops
- Amazonian Trogon
- Amazonian Umbrellabird
- American Barn Owl
- American Crow
- American Flamingo
- American Kestrel
- American Pygmy Kingfisher
- American Robin
- American White Ibis
- Andean Cock-of-the-rock
- Andean Condor
- Andean Coot
- Andean Emerald
- Andean Guan
- Andean Lapwing
- Andean Motmot
- Anhinga
- Antarctic Shag
- Aplomado Falcon
- Arabian Bustard
- Arabian Green Bee-eater
- Arabian Sunbird
- Arabian Wheatear
- Arctic Tern
- Ashy-throated Chlorospingus
- Asian Brown Flycatcher
- Asian Openbill
- Asian Woolly-necked Stork
- Atlantic Puffin
- Atlas Wheatear
- Audouin's Gull
- Austral Negrito
- Azara's Spinetail
- Azure Gallinule