- Bar-tailed Godwit
- Barn Swallow
- Black-browed Reed Warbler
- Black-crowned Night Heron
- Black-faced Spoonbill
- Black-headed Gull
- Black-legged Kittiwake
- Black-necked Grebe
- Black-tailed Gull
- Black-winged Stilt
- Black Kite (lineatus)
- Black Paradise Flycatcher
- Black Redstart
- Black Scoter
- Black Woodpecker
- Blakiston's Fish Owl
- Blue-and-white Flycatcher
- Blue Rock Thrush
- Bohemian Waxwing
- Brambling
- Brant Goose (nigricans)
- Broad-billed Sandpiper
- Brown-eared Bulbul
- Brown Dipper
- Brown Shrike
- Buff-bellied Pipit
- Bull-headed Shrike