Black Skimmer – Bushtit

Black Skimmer

Black Storm-Petrel

Black-tailed Gnatcatcher

Black Tern

Black-throated Blue Warbler

Black-throated Gray Warbler

Black-throated Green Warbler

Black-throated Magpie Jay (USA)

Black-throated Sparrow

Black Turnstone

Black-vented Shearwater

Black Vulture

Black-whiskered Vireo

Blue Blunting (USA)

Blue-footed Booby (Galapagos)

Blue-gray Gnatcatcher

Blue Grosbeak

Blue-headed Vireo

Blue Jay

Blue-throated Hummingbird

Blue-winged Teal

Blue-winged Warbler

Boat-tailed Grackle

Bobolink

Bohemian Waxwing

Bonaparte’s Gull

Boreal Chickadee

Boreal Owl

Botteri’s Sparrow

Brandt’s Cormorant

Brant

Brewer’s Blackbird

Brewer’s Sparrow

Bridled Tern

Bridled Titmouse

Bristle-thighed Curlew

Broad-billed Hummingbird

Broad-tailed Hummingbird

Broad-winged Hawk

Bronzed Cowbird

Brown Booby (USA)

Brown-capped Rosy-Finch

Brown Creeper

Brown-crested Flycatcher

Brown-headed Cowbird

Brown-headed Nuthatch

Brown Noddy

Brown Pelican

Brown Thrasher

Buff-bellied Hummingbird

Buff-breasted Flycatcher

Buff-breasted Sandpiper

Bufflehead

Buller’s Shearwater

Bullock’s Oriole

Burrowing Owl

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