Topic summary
Sigmodon inopinatus

Extracted from the Wikipedia article Unexpected cotton rat.
The unexpected cotton rat (Sigmodon inopinatus) is a species of rodent in the family Cricetidae. It is found only in Ecuador at elevations of 3500 to 4000 m, where it has been found in association with streams and marshes. It is also known as the Ecuadorian cotton rat.