- Abyssinian Ground Thrush
- Abyssinian Thrush
- Acacia Pied Barbet
- African Barred Owlet
- African Cuckoo-Hawk
- African Darter
- African Dwarf Kingfisher
- African Emerald Cuckoo
- African Pygmy Kingfisher
- African Thrush
- Akekee
- Akohekohe
- Amazon Kingfisher
- Amazonian Motmot
- Amazonian Royal Flycatcher
- American Oystercatcher
- American Pygmy Kingfisher
- American Robin
- Amethyst Sunbird
- Anchieta's Barbet
- Andaman Hawk-Owl
- Andaman Scops Owl
- Andaman Treepie
- Andean Avocet
- Andean Ibis
- Andean Laniisoma
- Andean Motmot
- Andean Pygmy Owl
- Andean Slaty Thrush
- Anjouan Sunbird
- Apapane
- Aquatic Warbler
- Arnot's Chat
- Ash-colored Cuckoo
- Ashy Storm Petrel
- Asian Brown Flycatcher
- Asian Green Bee-eater
- Asian House Martin
- Austral Negrito
- Austral Thrush
- Australasian Figbird
- Australian Brushturkey
- Australian Golden Whistler
- Australian Magpie
- Australian Pratincole
- Aztec Thrush
- Azure-rumped Parrot
- Azure Dollarbird
- Azure Kingfisher