Bat star 
Bat volute 
Bat-Eared Fox 
Batangas Halgerda 
Bateleur 
Bates's Sunbird 
Batess paradise flycatcher 
Bath White 
Bath's Blenny 
Bathelium carolinianum 
Bathroom Moth Fly 
Bathyllus albicinctus 
Bathypterois viridensis 
Bathyra sagata 
Bathytricha aethalion 
Batik Golden Web Spider 
Batman Moth 
Batocera parryi 
Batocera rubus 
Batocera thomsonii 
Batocera tigris 
Baton Rouge Ringed Ringless Amanita 
Batracharta obliqua 
Battarrea phalloides