Broad-winged Hawk
Bronzed Cowbird
Brown Creeper
Brown Jay
Brown Pelican
Brown Thrasher
Brown-capped Rosy Finch
Brown-crested Flycatcher
Brown-headed Cowbird
Brown-headed Nuthatch
Buff-bellied Hummingbird
Buff-bellied Pipit
Buff-breasted Sandpiper
Buff-throated Saltator
Bufflehead