Blacktip soldierfish 
Blainville's Horned Lizard 
Blanc's leaf chameleon 
Blanchard's Cricket Frog 
Blanding's turtle 
Blanfords rock agama 
Bleating tree frog 
Bleeding Heart Tetra 
Bleeker's Parrotfish 
Blemished anole 
Blesbok 
Blicks grass rat 
Blind Spiny Eel 
Blond capuchin 
Blonde Hognose Snake 
Blood pheasant 
Blood-breasted flowerpecker 
Blotchbelly Anole 
Blotched blue-tongued lizard 
Blotched Forest Skink 
Blotched hooknose snake 
Blotched moray 
Blotched palm-pit viper 
Blotched snake