Barestem biscuitroot 
Bargibant's seahorse 
Barisania honeyi 
Bark bug 
Bark cockroach 
Bark Dragonfly 
Bark-dwelling Euryopis 
Bark-Mimicking Grasshopper 
Barkeria spectabilis 
Barking frog 
Barking imperial pigeon 
Barking owl 
Barking tree frog 
Barleria decaryi 
Barleria involucrata 
Barleria prionitis 
Barley 
Barley flea beetle 
Barn owl 
Barn Swallow 
Barnacle Goose 
Barnacle-eating Dorid 
Barnanola sumatra 
Barnes' Cat Snake