Key to the Chiroptera
           
 
 Forearm 35-38 mm in length; color dark brown; patagia black; tail membrane not furred; total teeth 30
   
 Forearm approximately 42 mm in length; color black, with many of the hairs tipped with white; tail membrane partly furred (Fig. 15b); total teeth 36
 
           
Artiodactyla
 - 
Carnivora
 - 
Chiroptera
 - 
Didelphimorphia
 - 
Insectivora
 - 
Lagomorpha
 - 
Rodentia
 - 
Xenarthra
Scientific Names - Common Names