Cotton rat Reference Libraries
The yellow-nosed cotton rat (Sigmodon ochrognathus) has a range that extends from eastern Sierra Madre Occidental into the central areas of Durango. Its western range includes western Coahuila, located in Mexico, and it occurs from New Mexico to Arizona. It has a fragmented range in the deserts of Mesa del Norte, located in Trans-Pecos Texas. The yellow-nosed cotton rat appears on the IUCN Red...
The Hispid Cotton Rat (Sigmodon hispidus), is a rodent species long thought to occur in parts of South America, Central America, and southern North America. However, three distinct subspecies have been recognized throughout the range. The northern species meets the central species near the Rio Grande River. The central race meets the southern species near Chiapas in South America.
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