Begonia semperflorens 
Begonia semperflorens-cultorum 
Begonia silverstonei 
Begonia sinuata 
Begonia truncatifolia 
Beharus cylindripes 
Beige Beetle Jumper 
Beisa Oryx 
Bejaria aestuans 
Belah 
Belchers gull 
Belciana biformis 
Belciana prasina 
Belding's ground squirrel 
Belenois gidica 
Belenois grandidieri 
Belford's Melidectes 
Belfrage's Plume Moth 
Belid Weevil 
Belippa horrida 
Bell heather 
Bell Miner 
Bell morel 
Bell's Angle-headed Dragon