|Scientific Name:||Sorex monticolus|
|Species Authority:||Merriam, 1890|
|Taxonomic Notes:||There has been disagreement over whether S. monticolus is distinct from S. vagrans at the species level; most recent studies recognize S. monticolus as a distinct species (e.g., Jones et al. 1992, Hutterer in Wilson and Reeder 1993 and 2005, Smith and Belk 1996).|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Assessor(s):||Matson, J., Woodman, N., Castro-Arellano, I. & de Grammont, P.C.|
|Reviewer(s):||Amori, G. (Small Nonvolant Mammal Red List Authority) & Chanson, J. (Global Mammal Assessment Team)|
This species is listed as Least Concern in view of its wide distribution, its local abundance, 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 widespread species occurs from Alaska and western Canada, south through the western United States (although patchily distributed) and the highlands of the Sierra Madre Occidental in Mexico (Baker and Greer, 1962). The highest altitudinal records in Mexico are around 2,600 m asl in Durango (Baker and Greer, 1962).|
Native:Canada (Alberta, British Columbia, Northwest Territories, Saskatchewan, Yukon); Mexico; United States (Alaska, Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, Washington, Wyoming)
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||It can be a locally abundant species.|
|Current Population Trend:||Stable|
|Habitat and Ecology:||It is found in a variety of habitat types: montane boreal and coastal coniferous forest and alpine areas; damp meadows surrounded by coniferous forest, in grass among spruce-fir, mid-elevation fir-larch, along streams and rivers in high prairie, mossy banks of small streams, alpine tundra, sphagnum bogs.|
|Major Threat(s):||There are no major threats to this species, although habitat loss may be occurring in some parts of its range.|
|Conservation Actions:||In Mexico it is included in legislation protection under the NOM 059 SEMARNAT 2001, under the name of Sorex vagrans monticola. In the State of California the species is listed as a "Species of Special Concern". It presumably occurs in protected areas throughout its range.|
Baker, R. H. and Greer, J. K. 1962. Mammals of the Mexican state of Durango. Publications of the Museum, Michigan State University, Biological Series 2: 25-154.
Carraway, L. N. 2007. Shrews (Eulypotyphla: Soricidae) of Mexico. Western North American Naturalist 3.
Hutterer, R. 1993. Order Insectivora. In: D.E. Wilson and D.M. Reeder (eds), Mammal Species of the World: A Taxonomic and Geographic Reference, pp. 69-130. Smithsonian Institution Press, Washington, D.C., USA.
Hutterer, R. 2005. Order Soricomorpha. In: D. E. Wilson and D. M. Reeder (eds), Mammal Species of the World, pp. 220-311. Johns Hopkins University Press, Baltimore, Maryland, USA.
Jones Jr., J. K., Hoffman, R. S., Rice, D. W., Jones, C., Baker, R. J. and Engstrom, M. D. 1992. Revised checklist of North American mammals north of Mexico, 1991. Occasional Papers, Museum of Texas Tech University 146: 1-23.
Smith, M. E. and Belk, M. C. 1996. Sorx monticolus. Mammalian Species 528: 1-5.
|Citation:||Matson, J., Woodman, N., Castro-Arellano, I. & de Grammont, P.C. 2008. Sorex monticolus. The IUCN Red List of Threatened Species 2008: e.T41405A10458580. . Downloaded on 01 December 2015.|
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