|Scientific Name:||Sciurus aberti|
|Species Authority:||Woodhouse, 1853|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Reviewer(s):||McKnight, M. (Global Mammal Assessment Team), Amori, G., Koprowski, J. & Roth, L. (Small Nonvolant Mammal Red List Authority)|
Listed as Least Concern in view of its wide distribution, presumed large population, occurrence in a number of protected areas, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.
|Range Description:||This species is found in the U.S. and Mexico. In the U.S. it is found in south-eastern Utah, south and west Colorado, extreme south-eastern Wyoming, west and central New Mexico, and Arizona (USA); in Mexico, it occurs in Chihuahua, Durango, and Sonora (Mexico). There are also introduced populations in many other locations in Arizona, New Mexico, and Utah.|
Native:Mexico (Chihuahua, Durango, Sonora); United States (Arizona, Colorado, New Mexico, Utah, Wyoming)
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||This species is sparse in much of its range, but is abundant at some times and/or in some localities. Recorded densities range from 2 - 114 individuals per square kilometre.|
|Habitat and Ecology:||This species is strongly dependent on ponderosa and yellow pine forest habitat, with some use of adjoining pinyon woodlands and mixed coniferous forests.|
|Major Threat(s):||This species habitat is threatened by clear-cutting over large areas. Populations are relatively isolated due to the distribution of ponderosa pine habitat.|
|Conservation Actions:||This species is present in several protected areas within its patchy range. Forest management plans that require logging in small blocks would help maintain viable populations.|
Nash, D. J. and Seaman, R. N. 1977. Sciurus aberti. Mammalian Species 80: 1-5.
Wilson, D. E. and Ruff, S. 1999. The Smithsonian Book of North American Mammals. Smithsonian Institution Press, Washington, DC, USA.
|Citation:||Linzey, A.V. 2008. Sciurus aberti. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 19 April 2015.|
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