- Baillon's Crake
- Bar-headed Goose
- Bar-shouldered Dove
- Bar-tailed Godwit
- Barbary Partridge
- Barn Swallow
- Basra Reed Warbler
- Bassian Thrush
- Berthelot's Pipit
- Black-and-white Warbler
- Black-billed Gull
- Black-capped Flycatcher
- Black-cheeked Woodpecker
- Black-collared Barbet
- Black-crowned Night Heron
- Black-eared Catbird
- Black-faced Cuckooshrike
- Black-fronted Tern
- Black-headed Gull
- Black-headed Heron
- Black-headed Weaver
- Black-legged Kittiwake
- Black-necked Grebe
- Black-necked Swan
- Black-tailed Godwit
- Black-winged Kite
- Black-winged Stilt
- Black Guan
- Black Guillemot
- Black Kite
- Black Phoebe
- Black Redstart
- Black Swan
- Black Vulture
- Black Woodpecker
- Blue-and-white Swallow
- Blue-cheeked Bee-eater
- Blue-faced Honeyeater
- Blue-grey Tanager
- Blue Waxbill
- Bluethroat
- Boreal Chickadee
- Brahminy Kite
- Brolga
- Brown-hooded Kingfisher
- Brown-necked Raven
- Brown Cuckoo-Dove
- Brown Falcon
- Brown Pelican
- Brown Quail
- Brown Teal
- Budgerigar
- Buff-banded Rail
- Buff-throated Saltator
- Bulwer's Petrel
- Burchell's Coucal
- Burchell's Starling
- Bush Stone-curlew
- Bushveld Pipit