Paleosuchus trigonatus Instead of seeking sun-baked banks like some larger kin, a dwarf caiman hides in shady rivers deep in the rainforest from anaconda,…

Terrapene coahuila Living only in an area known as the Cuatro Cienegas basin in Mexico, this species suffers from its limited range of only…

Callithrix geoffroyi A long tail provides balance while it follows army ants, feasting on the insects they disturb. Adults gnaw holes in trunks to…