- Acorn Woodpecker
- African Blue Tit
- African Penguin
- African Sacred Ibis
- African Spoonbill
- Alpine Accentor
- Alpine Chough
- Alpine Swift
- American Bittern
- American Black Duck
- American Crow
- American Flamingo
- American Goldfinch
- American Kestrel
- American Redstart
- American Robin
- American White Ibis
- American Wigeon
- American Yellow Warbler
- Andean Duck
- Andean Goose
- Anhinga
- Arctic Redpoll
- Arctic Tern
- Ashy Drongo
- Ashy Prinia
- Asian Fairy-bluebird
- Asian Green Bee-eater
- Asian Koel
- Asian Openbill
- Atlantic Canary
- Atlantic Puffin
- Audouin's Gull
- Australasian Shoveler
- Australian Shelduck
- Azores Bullfinch
- Azure Gallinule
- Azure Tit