- Abbott's Babbler
- Abdim's Stork
- Abyssinian Catbird
- Abyssinian Ground Hornbill
- Abyssinian Longclaw
- Abyssinian Owl
- Abyssinian Roller
- Abyssinian Slaty Flycatcher
- Abyssinian Thrush
- Abyssinian White-eye
- Acadian Flycatcher
- Acorn Woodpecker
- Adamawa Turtle Dove
- African Blue Tit
- African Chaffinch
- African Citril
- African Cuckoo-Hawk
- African Darter
- African Desert Warbler
- African Dusky Flycatcher
- African Emerald Cuckoo
- African Finfoot
- African Firefinch
- African Fish Eagle
- African Golden Oriole
- African Green Pigeon
- African Grey Flycatcher
- African Grey Hornbill
- African Grey Woodpecker
- African Harrier-Hawk
- African Hawk-Eagle
- African Hoopoe
- African Jacana
- African Openbill
- African Palm Swift
- African Paradise Flycatcher
- African Pied Wagtail
- African Pipit
- African Pygmy Goose
- African Pygmy Kingfisher
- African Sacred Ibis
- African Scops Owl
- African Silverbill
- African Spoonbill
- African Spotted Creeper
- African Stonechat
- African Thrush
- African Wattled Lapwing
- African Wood Owl
- African Woolly-necked Stork
- Akun Eagle-Owl
- Alexandrine Parakeet
- Alpine Accentor
- Alpine Chough
- Alpine Swift
- Altai Accentor
- Amazon Kingfisher
- Amazonian Motmot
- American Avocet
- American Black Duck
- American Bushtit
- American Coot
- American Crow
- American Golden Plover
- American Goldfinch
- American Herring Gull
- American Redstart
- American Robin
- American White Ibis
- American Wigeon
- Amur Falcon
- Amur Stonechat
- Andean Cock-of-the-rock
- Andean Duck
- Andean Guan
- Andean Motmot
- Andean Siskin
- Andean Teal
- Andean Tit-Spinetail
- Anhinga
- Anna's Hummingbird
- Anteater Chat
- Antillean Crested Hummingbird
- Apolinar's Wren
- Appert's Tetraka
- Aquatic Warbler
- Arabian Bustard
- Arabian Green Bee-eater
- Arabian Wheatear
- Archbold's Newtonia
- Arctic Redpoll
- Arctic Tern
- Arctic Warbler
- Armenian Gull
- Arrow-marked Babbler
- Ashy-crowned Sparrow-Lark
- Ashy Drongo
- Ashy Starling
- Ashy Woodswallow
- Asian Barred Owlet
- Asian Brown Flycatcher
- Asian Crimson-winged Finch
- Asian Desert Warbler
- Asian Green Bee-eater
- Asian Koel
- Asian Openbill
- Asian Short-toed Lark
- Asian Stubtail
- Asian Woolly-necked Stork
- Atlantic Canary
- Atlantic Puffin
- Audouin's Gull
- Audubon's Warbler
- Augur Buzzard
- Azara's Spinetail
- Azure-winged Magpie
- Azure Tit