Sierra del Carmen chipmunk

The Coahuila chipmunk (Neotamias solivagus) is a species of chipmunk native to the Gran Sierra Plegada of the Sierra Madre Oriental, in the central area of eastern Coahuila and western Nuevo León, in northern Mexico. It was formerly considered a subspecies of both Neotamias bulleri and Neotamias durangae. Those two species are found in the Sierra Madre Occidental, while this species is native to the Sierra Madre Oriental.