- Balearic Shearwater
- Bar-shouldered Dove
- Barn Swallow
- Barrow's Goldeneye
- Bearded Reedling
- Beautiful Sheartail
- Berylline Hummingbird
- Black-browed Albatross
- Black-chested Buzzard-Eagle
- Black-faced Woodswallow
- Black-headed Gull
- Black-legged Kittiwake
- Black-necked Grebe
- Black-shouldered Kite
- Black-tailed Godwit
- Black-tailed Gull
- Black-throated Loon
- Black-winged Kite
- Black-winged Stilt
- Black Guillemot
- Black Kite (lineatus)
- Black Noddy
- Black Redstart
- Black Scoter
- Blakiston's Fish Owl
- Bridled Honeyeater
- Brown-eared Bulbul
- Brown Cuckoo-Dove
- Brown Dipper
- Brown Falcon
- Brown Goshawk
- Brown Thornbill
- Buff-banded Rail
- Buff-winged Cinclodes
- Bull-headed Shrike
- Bush Stone-curlew