- Bare-cheeked Babbler
- Barn Swallow
- Barnacle Goose
- Bateleur
- Bearded Reedling
- Bearded Scrub Robin
- Bennett's Woodpecker
- Berthelot's Pipit
- Black-chested Prinia
- Black-collared Barbet
- Black-crowned Night Heron
- Black-crowned Tchagra
- Black-faced Waxbill
- Black-headed Heron
- Black-headed Oriole
- Black-legged Kittiwake
- Black-winged Kite
- Black Crake
- Black Stork
- Black Tern
- Black Woodpecker
- Blacksmith Lapwing
- Blue Rock Thrush
- Blue Waxbill
- Bluethroat
- Bokmakierie
- Booted Eagle
- Boreal Owl
- Brown-crowned Tchagra
- Brown-headed Parrot
- Brown-hooded Kingfisher
- Brown Snake Eagle
- Brubru
- Burchell's Coucal
- Burchell's Sandgrouse
- Burchell's Starling