Sciurus aberti

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

Bibliography

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	MAMMALIA	RODENTIA	SCIURIDAE

Scientific Name:

Sciurus aberti

Species Authority:

Woodhouse, 1853

Common Name/s:

English

–

Abert's Squirrel

Assessment Information [top]

Red List Category & Criteria:	Least Concern ver 3.1
Year Published:	2008
Assessor/s:	Linzey, A.V.
Reviewer/s:	McKnight, M. (Global Mammal Assessment Team), Amori, G., Koprowski, J. & Roth, L. (Small Nonvolant Mammal Red List Authority)
Contributor/s:
Justification: 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.

Geographic Range [top]

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.
Countries:	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 [top]

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.
Population Trend:	Stable

Habitat and Ecology [top]

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.
Systems:	Terrestrial

Threats [top]

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.

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 [top]

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.

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.

Bibliography [top]

	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.

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. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 22 May 2013.
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