- Baillon's Crake
- Bar-tailed Godwit
- Barbary Partridge
- Barn Swallow
- Barnacle Goose
- Barred Warbler
- Bearded Reedling
- Belted Kingfisher
- Black-capped Petrel
- Black-crowned Night Heron
- Black-headed Bunting
- Black-headed Gull
- Black-legged Kittiwake
- Black-necked Grebe
- Black-tailed Godwit
- Black-throated Loon
- Black-throated Thrush
- Black-winged Stilt
- Black Grouse
- Black Guillemot
- Black Kite
- Black Stork
- Black Tern
- Black Woodpecker
- Blackstart
- Blue-winged Teal
- Bluethroat
- Bohemian Waxwing
- Bonaparte's Gull
- Boreal Owl
- Brambling
- Brant Goose
- Broad-billed Sandpiper
- Brown-headed Gull
- Brown Noddy
- Buff-breasted Sandpiper
- Bufflehead
- Bulwer's Petrel