Key to the Chiroptera
           
 
 Forearm 45-50 mm in length; total teeth 32; general color dark brown with black patagia; tail extends 2-3 mm beyond edge of tail membrane
   
 Forearm 35-43 mm in length; total teeth not 32
 
           
Artiodactyla
 - 
Carnivora
 - 
Chiroptera
 - 
Didelphimorphia
 - 
Insectivora
 - 
Lagomorpha
 - 
Rodentia
 - 
Xenarthra
Scientific Names - Common Names