- Bananaquit
- Bare-cheeked Babbler
- Bateleur
- Black-and-white Shrike-flycatcher
- Black-backed Grosbeak
- Black-bellied Seedcracker
- Black-chested Prinia
- Black-collared Barbet
- Black-headed Waxbill
- Black-necked Weaver
- Black-tailed Godwit
- Black-winged Stilt
- Black Crake
- Black Heron
- Black Phoebe
- Black Vulture
- Blacksmith Lapwing
- Blue-and-yellow Tanager
- Blue-black Grassquit
- Blue-breasted Bee-eater
- Blue-footed Booby
- Blue-grey Tanager
- Blue-headed Coucal
- Blue-necked Tanager
- Blue-spotted Wood Dove
- Blue Waxbill
- Broad-billed Roller
- Bronze Mannikin
- Brown-hooded Gull
- Brown-hooded Kingfisher
- Brown-throated Wattle-eye
- Brown Noddy
- Brown Violetear
- Buff-throated Saltator
- Burchell's Starling