Species › Mammals › Yellow-nosed Cotton Rat

Yellow-nosed Cotton Rat

Sigmodon ochrognathus

UncommonMammal
Illustration of Yellow-nosed Cotton Rat (Sigmodon ochrognathus)

The Yellow-nosed Cotton Rat is a high-altitude cotton rat of the Madrean sky island mountains of Arizona, New Mexico, and adjacent Mexico, distinguished from other cotton rats by the yellowish fur around its muzzle. It inhabits dense grassy areas at elevations above 5,000 feet, typically in montane meadows near coniferous forests. This rat has a much more restricted range than the hispid cotton rat.

Habitat
Montane meadows and grassy openings in sky island forests
Diet
Grasses, forbs, and insects
How common
Uncommon

Best time to see a Yellow-nosed Cotton Rat

The best time to see a Yellow-nosed Cotton Rat is May–August, when about 71% of U.S. sightings happen, based on 77 research-grade iNaturalist observations.

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