Sciurus aberti

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	MAMMALIA	RODENTIA	SCIURIDAE

Scientific Name:

Sciurus aberti

Species Authority

Infra-specific Authority:

Woodhouse, 1853

Common Name/s:

English

–

Abert's Squirrel

Assessment Information [top]

Red List Category & Criteria:

Least Concern ver 3.1

Year Assessed:

2008

Assessor/s

Linzey, A.V.

Evaluator/s:

McKnight, M. (Global Mammal Assessment Team), Amori, G., Koprowski, J. & Roth, L. (Small Nonvolant Mammal Red List Authority)

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.

History:

1996

–

Lower Risk/least concern (Baillie and Groombridge 1996)

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; United States

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.

Citation:	IUCN 2008. 2008 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 12 October 2008.
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