- Balearic Shearwater
- Bar-headed Goose
- Bar-tailed Godwit
- Barn Swallow
- Barnacle Goose
- Bearded Vulture
- Berthelot's Pipit
- Black-crowned Night Heron
- Black-headed Bunting
- Black-headed Gull
- Black-necked Grebe
- Black-tailed Godwit
- Black-throated Loon
- Black-winged Stilt
- Black Kite
- Black Redstart
- Black Stork
- Black Swan
- Blue Rock Thrush
- Bohemian Waxwing
- Booted Eagle
- Brant Goose