- Abyssinian White-eye
- Acorn Woodpecker
- African Blue Tit
- African Crimson-winged Finch
- African Paradise Flycatcher
- African Silverbill
- Allen's Hummingbird
- Alpine Accentor
- Alpine Chough
- Amazon Kingfisher
- Amazonian Royal Flycatcher
- American Avocet
- American Bittern
- American Bushtit
- American Coot
- American Crow
- American Dipper
- American Golden Plover
- American Goldfinch
- American Herring Gull
- American Pygmy Kingfisher
- American Redstart
- American Robin
- American White Ibis
- American White Pelican
- American Wigeon
- Amur Stonechat
- Anhinga
- Anna's Hummingbird
- Arabian Warbler
- Arabian Wheatear
- Arctic Warbler
- Ash-throated Flycatcher
- Ashy Drongo
- Ashy Minivet
- Ashy Tailorbird
- Ashy Woodswallow
- Asian Brown Flycatcher
- Asian Dowitcher
- Asian Glossy Starling
- Asian Golden Weaver
- Asian Green Bee-eater
- Asian Koel
- Asian Openbill
- Atlantic Puffin
- Audouin's Gull
- Audubon's Warbler