|Scientific Name:||Sciurus niger|
|Species Authority:||Linnaeus, 1758|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Assessor(s):||Linzey, A.V., Timm, R., Emmons, L. & Reid, F.|
|Reviewer(s):||McKnight, M. (Global Mammal Assessment Team) & Amori, G. (Small Nonvolant Mammal Red List Authority)|
This species is 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.
|Previously published Red List assessments:||
|Range Description:||This species is native throughout much of the eastern United States and very limited areas of adjoining Canada (extreme southern prairie provinces) and Mexico (occurs along the Rio Grande and its tributaries in northeastern Coahuila y Nuevo Leon (Ceballos and Oliva 2005)). It has been introduced to several western U.S. states and two Canadian provinces (British Columbia and Ontario).|
Native:Canada (British Columbia - Introduced, Manitoba, Ontario - Introduced, Saskatchewan); Mexico (Coahuila); United States (Alabama, Arkansas, California - Introduced, Colorado, Connecticut - Regionally Extinct, Delaware, District of Columbia - Possibly Extinct, Florida, Georgia, Idaho - Introduced, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Minnesota, Mississippi, Missouri, Montana - Introduced, Nebraska, New Jersey - Regionally Extinct, New Mexico - Present - Origin Uncertain, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon - Introduced, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Virginia, Washington - Introduced, West Virginia, Wisconsin, Wyoming - Introduced)
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||Abundant. Reported densities vary from 0.04 - 0.12 individuals/ha in the southeastern U.S. to 1.0 - 12 individuals/ha in the mid-west.|
|Current Population Trend:||Stable|
|Habitat and Ecology:||This species prefers open woodland habitats, with scattered trees and open understory.|
|Major Threat(s):||No major threats known. Although not considered a major threat at this time, this species is experiencing declining habitats in eastern states, with an increasingly restricted distribution. By contrast, range expansion has occurred in the mid-west. In Mexico, it may be considered fragile, but is not officially threatened (Ceballos and Oliva 2005).|
|Conservation Actions:||Occurs in many protected areas.|
Ceballos, G. and Oliva, G. 2005. Los mamíferos silvestres de México. Comisión Nacional para el Conocimiento y Uso de la Biodiversidad and Fondo de Cultura Económica, México.
Hafner, D. J., Yensen, E. and Kirkland Jr., G. L. 1998. Status survey and conservation action plan - North American Rodents. IUCN/SSC Rodent Specialist Group, Gland, Switzerland.
Koprowski, J. L. 1994. Sciurus niger. Mammalian Species 479: 1-9.
Wilson, D. E. and Ruff, S. 1999. The Smithsonian Book of North American Mammals. Smithsonian Institution Press, Washington, DC, USA.
|Citation:||Linzey, A.V., Timm, R., Emmons, L. & Reid, F. 2008. Sciurus niger. The IUCN Red List of Threatened Species 2008: e.T20016A9134131. http://dx.doi.org/10.2305/IUCN.UK.2008.RLTS.T20016A9134131.en . Downloaded on 09 October 2015.|
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