Smithsonian National Museum of Natural History, North American Mammals
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Sigmodon zanjonensis

Montane Cotton Rat

Order: Rodentia
Family: Cricetidae


Conservation Status: Least Concern (as S. hispidus)

Montane Cotton Rats live in the mountains of Chiapas, Mexico, and Guatemala. They presumably inhabit grassy or shrubby areas in the mountains, use runways to travel through their home range, and make small grass nests in shallow depressions in the ground. Cotton rats are active both day and night. As with many other small mammals endemic to Central America, a great deal remains to be learned about this species.

Range: Head and Body: 125-200 mm; Tail: 75-138 mm

Range: 70-211 g


Goodwin, G.G., 1932. American Museum Novitates, 528:1.


Mammal Species of the World

Distribution of Sigmodon zanjonensis