- Bali Myna
- Bar-tailed Godwit
- Barn Swallow
- Barnacle Goose
- Black-crowned Night Heron
- Black-headed Gull
- Black-legged Kittiwake
- Black-necked Grebe
- Black-tailed Godwit
- Black-winged Kite
- Black-winged Stilt
- Black Drongo
- Black Kite
- Black Redstart
- Black Swan
- Black Woodpecker
- Blue Duck
- Blue Rock Thrush
- Bluethroat
- Booted Eagle
- Brambling
- Brant Goose
- Brown-throated Sunbird
- Buller's Shearwater
- Burmese Shrike