- Banded Prinia
- Bar-tailed Trogon
- Barn Swallow
- Barrow's Goldeneye
- Beijing Babbler
- Black-and-white Mannikin
- Black-and-white Shrike-flycatcher
- Black-bellied Seedcracker
- Black-casqued Hornbill
- Black-faced Bunting
- Black-faced Canary
- Black-headed Bee-eater
- Black-headed Gull
- Black-headed Waxbill
- Black-legged Kittiwake
- Black-necked Weaver
- Black-necklaced Scimitar Babbler
- Black-winged Kite
- Black-winged Pratincole
- Black-winged Stilt
- Black Bee-eater
- Black Bulbul
- Black Coucal
- Black Crake
- Black Drongo
- Black Guillemot
- Black Sparrowhawk
- Blackpoll Warbler
- Blue-billed Malimbe
- Blue-breasted Bee-eater
- Blue-breasted Kingfisher
- Blue-spotted Wood Dove
- Blue Malkoha
- Blue Rock Thrush
- Bluethroat
- Bobolink
- Bonaparte's Gull
- Bronze Mannikin
- Brown-eared Woodpecker
- Brown-headed Thrush
- Brown-throated Wattle-eye
- Brown Shrike