- Bald Eagle
- Band-rumped Storm Petrel
- Bar-tailed Godwit
- Barn Swallow
- Barnacle Goose
- Bearded Reedling
- Bearded Scrub Robin
- Bearded Vulture
- Black-and-red Broadbill
- Black-and-yellow Broadbill
- Black-backed Puffback
- Black-capped Kingfisher
- Black-capped Tanager
- Black-collared Starling
- Black-crowned Night Heron
- Black-faced Spoonbill
- Black-headed Bulbul
- Black-headed Bunting
- Black-headed Gull
- Black-headed Heron
- Black-hooded Oriole
- Black-legged Kittiwake
- Black-naped Monarch
- Black-naped Oriole
- Black-necked Grebe
- Black-tailed Godwit
- Black-throated Loon
- Black-winged Kite
- Black-winged Saltator
- Black-winged Stilt
- Black Bulbul
- Black Flowerpiercer
- Black Grouse
- Black Guillemot
- Black Kite
- Black Kite (lineatus)
- Black Redstart
- Black Scoter
- Black Stork
- Black Swan
- Black Tern
- Black Woodpecker
- Blakiston's Fish Owl
- Blue-bearded Bee-eater
- Blue-winged Mountain Tanager
- Blue Crane
- Blue Jay
- Blue Rock Thrush
- Bluethroat
- Bohemian Waxwing
- Bonelli's Eagle
- Booted Eagle
- Brahminy Kite
- Brambling
- Brant Goose
- Bronze-winged Jacana
- Bronzed Drongo
- Brown-eared Bulbul
- Brown-headed Gull
- Brown-headed Parrot
- Brown-headed Thrush
- Brown Boobook
- Brown Dipper
- Brown Noddy
- Brown Pelican
- Budgerigar
- Bull-headed Shrike
- Bulwer's Petrel