Black-throated Loon
Black-throated Mango
Black-throated Saltator
Black-throated Tody-Tyrant
Black-winged Cuckooshrike
Black-winged Kite
Black-winged Stilt
Blackburnian Warbler
Blackish Cuckooshrike
Blackstart
Blossomcrown
Blue Coua
Blue Duck
Blue Malkoha
Blue Manakin
Blue Noddy
Blue Paradise Flycatcher
Blue Vanga