Key to the Lagomorpha
           
 
 Color reddish brown; nape patch bright rusty reddish; many individuals with white blaze on forehead; ears relatively shorter, 65-75 mm; auditory bullae of skull relatively small and very smooth (Fig. 26a)
   
 Color gray, washed with yellowish; nape patch pale reddish sandy, no white blaze on forehead; ears relatively longer, 75-100 mm; auditory bullae relatively larger, irregular, and rough-surfaced (Fig. 26b)
 
           
Artiodactyla
 - 
Carnivora
 - 
Chiroptera
 - 
Didelphimorphia
 - 
Insectivora
 - 
Lagomorpha
 - 
Rodentia
 - 
Xenarthra
Scientific Names - Common Names