- Bananaquit
- Band-rumped Swift
- Barn Swallow
- Barnacle Goose
- Barred Antshrike
- Bat Falcon
- Black-banded Woodcreeper
- Black-bellied Cuckoo
- Black-bellied Whistling Duck
- Black-capped Donacobius
- Black-collared Hawk
- Black-crested Antshrike
- Black-crowned Night Heron
- Black-eared Fairy
- Black-faced Dacnis
- Black-faced Hawk
- Black-faced Tanager
- Black-headed Antbird
- Black-headed Gull
- Black-headed Parrot
- Black-necked Aracari
- Black-necked Stilt
- Black-spotted Barbet
- Black-tailed Tityra
- Black-tailed Trogon
- Black-throated Mango
- Black-whiskered Vireo
- Black Curassow
- Black Hawk-Eagle
- Black Nunbird
- Black Redstart
- Black Skimmer
- Black Vulture
- Blackish Nightjar
- Blue-and-yellow Macaw
- Blue-backed Manakin
- Blue-backed Tanager
- Blue-black Grassquit
- Blue-black Grosbeak
- Blue-cheeked Amazon
- Blue-chinned Sapphire
- Blue-grey Tanager
- Blue-headed Parrot
- Blue-tailed Emerald
- Blue Dacnis
- Boat-billed Flycatcher
- Boat-billed Heron
- Broad-winged Hawk
- Brown-chested Martin
- Brown-throated Parakeet
- Brown Noddy
- Brown Pelican
- Buff-throated Saltator
- Burnished-buff Tanager