Bank cormorant 
Bank myna 
Bank vole 
Bannerman's Sunbird 
Baños Morales Smooth-throated Lizard 
Bar jack 
Bar tailed trogon 
Bar-bellied Pitta 
Bar-bellied woodpecker 
Bar-breasted piculet 
Bar-crested antshrike 
Bar-headed Goose 
Bar-shouldered dove 
Bar-sided Skink 
Bar-tailed cuckoo-dove 
Bar-tailed Godwit 
Bar-tailed lark 
Bar-throated apalis 
Bar-throated minla 
Bar-winged Flycatcher-shrike 
Bar-winged wood wren 
Baram River frog 
Barasingha 
Barbados anole