Buff-necked Ibis
Buff-rumped Thornbill
Buff-spotted Woodpecker
Buff-streaked Chat
Buff-tailed Coronet
Buff-throated Sunbird
Bufflehead
Buffy Helmetcrest
Bukidnon Woodcock
Buller's Albatross
Buller's Shearwater
Burchell's Coucal
Burchell's Starling
Burnished-buff Tanager
Burnt-necked Eremomela
Burrowing Owl
Bush Blackcap
Bush Stone-curlew
Buzzing Flowerpecker
Cabot's Tern
California Quail