IUCN threat status:

Near Threatened (NT)


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Range Description

This species occurs along the Pacific Coast of North America from southern Alaska (Wiedmer and Hodge 1996) to Baja California in Mexico, and ranges eastward through the Rocky Mountains in west-central Alberta, Montana, Wyoming, Utah (Ross et al.1995) and Colorado (Hammerson 1999), to northern New Mexico (COSEWIC 2012). It is absent from most of the desert south-west (Stebbins 2003). Its elevational range extends from sea level to at least 3,640 meters.


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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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