Brush Bronzewing 
Brush cuckoo 
Brush-tailed rock-wallaby 
Brygoo's Girdled Lizard 
Brygoo's Leaf Chameleon 
Bubbling cisticola 
Bucchich's goby 
Buchanan's Snake-eyed Skink 
Buckley's slender-legged treefrog 
Budgerigar 
Buff striped keelback 
Buff-banded Rail 
Buff-bellied hummingbird 
Buff-bellied tanager 
Buff-bellied warbler 
Buff-breasted Babbler 
Buff-breasted earthcreeper 
Buff-breasted mountain tanager 
Buff-breasted sandpiper 
Buff-breasted wren 
Buff-bridled Inca finch 
Buff-crested bustard 
Buff-faced Pygmy-Parrot 
Buff-fronted Foliage-gleaner