- Bald Eagle
- Bar-headed Goose
- Barnacle Goose
- Barred Antshrike
- Baya Weaver
- Belted Kingfisher
- Besra
- Black-capped Chickadee
- Black-cheeked Woodpecker
- Black-collared Starling
- Black-collared Swallow
- Black-headed Heron
- Black-headed Weaver
- Black-naped Oriole
- Black-necked Grebe
- Black-winged Stilt
- Black Guillemot
- Black Kite
- Black Vulture
- Blue-black Grassquit
- Blue-grey Tanager
- Blue-tailed Bee-eater
- Blue Jay
- Boat-billed Heron
- Brown Booby
- Brown Jay
- Brown Pelican
- Buff-throated Saltator