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Western gray squirrel
Conservation status
Least Concern (IUCN 3.1)[1]
Secure (NatureServe)[2]
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Chordata
Class:
Mammalia
Order:
Rodentia
Family:
Sciuridae
Genus:
Sciurus
Species:
S. griseus
Binomial name
Sciurus griseus
Ord, 1818
Subspecies[3]
S. g. griseus
S. g. anthonyi
S. g. nigripes
Western gray squirrel's range
The western gray squirrel (Sciurus griseus) is a tree squirrel found along the western coast of the United States and Mexico. In some places, this species has also been known as the silver-gray squirrel, the California gray squirrel, the Oregon gray squirrel, the Columbian gray squirrel and the banner-tail. There are three geographical subspecies: Sciurus griseus griseus (central Washington to the western Sierra Nevada in central California); S. g. nigripes (from south of San Francisco Bay to San Luis Obispo County, California); and S. g. anthonyi (which ranges from San Luis Obispo to northern Baja California).
In some landscapes, the western gray squirrel has lost habitat or experienced local extinction due to competition with other squirrel species and other pressures on their population.
^Lacher, T.; Timm, R.; Álvarez-Castañeda, S.T. (2017) [errata version of 2016 assessment]. "Sciurus griseus". IUCN Red List of Threatened Species. 2016: e.T20011A115154716. doi:10.2305/IUCN.UK.2016-3.RLTS.T20011A22247710.en. Retrieved 10 March 2022.
^"Sciurus carolinensis". Natureserve Explorer. Retrieved 12 May 2024.
^Thorington, R.W. Jr.; Hoffmann, R.S. (2005). "Family Sciuridae". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: a taxonomic and geographic reference (3rd ed.). The Johns Hopkins University Press. pp. 754–818. ISBN 978-0-8018-8221-0. OCLC 26158608.
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