Bluish-slate antshrike 
Blunt-headed Snail-eating Snake 
Blunt-headed wrasse 
Blyth's hawk-eagle 
Blyth's river frog 
Blyths horseshoe bat 
Blyths paradise flycatcher 
Blyth’s Hornbill 
Boa constrictor 
Boa constrictor imperator 
Boa dumerili 
Boaedon mentalis 
Boana courtoisae 
Boat-billed flycatcher 
Boat-billed Heron 
Boat-tailed Grackle 
Bobcat 
Bobiri Reed Frog 
Bobolink 
Bobtail Skink 
Bocage's sunbird 
Bocages akalat 
Bocages wall lizard 
Bocourt's Agama