- Baillon's Crake
- Balearic Shearwater
- Bar-tailed Godwit
- Bar-tailed Lark
- Barn Swallow
- Bearded Reedling
- Black-crowned Night Heron
- Black-crowned Tchagra
- Black-eared Wheatear
- Black-headed Bunting
- Black-headed Gull
- Black-legged Kittiwake
- Black-necked Grebe
- Black-tailed Godwit
- Black-winged Kite
- Black-winged Stilt
- Black Grouse
- Black Kite
- Black Redstart
- Black Stork
- Black Swan
- Black Tern
- Black Wheatear
- Black Woodpecker
- Blue Rock Thrush
- Bluethroat
- Blyth's Reed Warbler
- Bonelli's Eagle
- Booted Eagle
- Booted Warbler
- Brambling
- Brant Goose
- Brant Goose (nigricans)
- Brown-necked Raven
- Buff-breasted Sandpiper