- Bahama Mockingbird
- Bahama Woodstar
- Bald Eagle
- Balearic Shearwater
- Bali Myna
- Baltimore Oriole
- Bananaquit
- Band-rumped Storm Petrel
- Bank Cormorant
- Bar-headed Goose
- Barbados Bullfinch
- Barbary Partridge
- Bare-eyed Pigeon
- Barn Swallow
- Barnacle Goose
- Bateleur
- Bearded Woodpecker
- Beautiful Sunbird
- Belted Kingfisher
- Berthelot's Pipit
- Black-bellied Starling
- Black-bellied Whistling Duck
- Black-billed Streamertail
- Black-browed Reed Warbler
- Black-chested Jay
- Black-crowned Antshrike
- Black-crowned Night Heron
- Black-faced Grassquit
- Black-headed Gull
- Black-headed Heron
- Black-headed Ibis
- Black-legged Kittiwake
- Black-naped Oriole
- Black-necked Grebe
- Black-necked Stilt
- Black-rumped Waxbill
- Black-tailed Godwit
- Black-throated Loon
- Black-whiskered Vireo
- Black-winged Lapwing
- Black-winged Stilt
- Black Crake
- Black Drongo
- Black Guillemot
- Black Heron
- Black Kite
- Black Noddy
- Black Redstart
- Black Skimmer
- Black Swan
- Black Vulture
- Black Wheatear
- Blackcap Babbler
- Blackpoll Warbler
- Blacksmith Lapwing
- Blackstart
- Blue-and-yellow Macaw
- Blue-breasted Kingfisher
- Blue-cheeked Bee-eater
- Blue-chested Hummingbird
- Blue-chinned Sapphire
- Blue-crowned Hanging Parrot
- Blue-crowned Parakeet
- Blue-grey Tanager
- Blue-naped Mousebird
- Blue-naped Parrot
- Blue-tailed Bee-eater
- Blue-tailed Emerald
- Blue-throated Bee-eater
- Blue-winged Teal
- Blue Crane
- Blue Jay
- Blue Rock Thrush
- Boat-billed Flycatcher
- Boat-tailed Grackle
- Booted Eagle
- Brahminy Kite
- Bridled Tern
- Broad-billed Roller
- Broad-winged Hawk
- Bronze Mannikin
- Bronzed Cowbird
- Brown-headed Gull
- Brown-necked Raven
- Brown-throated Parakeet
- Brown-throated Sunbird
- Brown-throated Wattle-eye
- Brown Babbler
- Brown Booby
- Brown Creeper
- Brown Noddy
- Brown Pelican
- Brown Shrike
- Brown Skua
- Brown Trembler
- Buff-necked Ibis
- Burchell's Starling