Xerospermophilus spilosoma 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Sciuridae

Scientific Name: Xerospermophilus spilosoma Bennett, 1833
Common Name(s):
English Spotted Ground Squirrel
Spermophilus spilosoma Bennett, 1833
Taxonomic Source(s): Helgen, K.M., Cole, F.R.,Helgen, L.E. and Wilson, D.E. 2009. Generic revision in the Holarctic ground squirrel genus Spermophilus. Journal of Mammalogy 90(2): 270-305.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2016
Date Assessed: 2016-09-03
Assessor(s): Lacher, T., Timm, R. & Álvarez-Castañeda, S.T.
Reviewer(s): Amori, G.
Contributor(s): Linzey, A. & Castro-Arellano, I.
This species is listed as Least Concern in view of its wide distribution, presumed large population, tolerance of a broad range of habitats, and because it does not appear to be under threat and is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species is found in the arid and semi-arid regions of southwestern United States and northern Mexico. In the United States, it occurs from southeastern Wyoming and southern South Dakota to western Arizona, New Mexico, and Texas. In Mexico, it occurs from northern Sonora, Chihuahua, and Coahuila south to northern Jalisco and northern Guanajuato, and also in Tamaulipas. This species occurs up to 2,100 m asl.
Countries occurrence:
Mexico; United States (Arizona, Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, Utah - Possibly Extinct, Wyoming)
Additional data:
Upper elevation limit (metres):2100
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Fairly common. Densities of 2 -7individuals/ha have been reported for this species.
Current Population Trend:Stable
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species is found in deep, sandy soils with sparse vegetation, including short-grass mesas, desert scrub, and heavily grazed habitats. It is also found also in grassy urban parks.
Generation Length (years):2-3

Threats [top]

Major Threat(s): No major threats are known.

Conservation Actions [top]

Conservation Actions: There are no known conservation measures specific to this species. However, there are several protected areas within its range.

Citation: Lacher, T., Timm, R. & Álvarez-Castañeda, S.T. 2016. Xerospermophilus spilosoma. The IUCN Red List of Threatened Species 2016: e.T42563A22262899. . Downloaded on 25 September 2017.
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