|Fog Shrew range|
S. sonomae is categorized as the "largest" shrew found on the "Pacific Coast" of the United States. It is recognized by its "reddish, light-brown" fur and a tail that "is almost ly colored." Some information is available on the fog shrew's dentition; however, there is no citable reference for the dental formula. One paper has found the dental formula of the fog shrew to be 18.104.22.168 (x 2 = 32 total teeth), but there is debate in the academic community. A conservative estimate has an adult fog shrew ranging in total length from 120-158mm, but has been observed to have a wider range in total length (105-180mm). The weight range for the fog shrew has varies in different sources, but fall within the range of 5.5-18g.
Habitat and Range
The fog shrew is found in areas of "chaparral, coastal coniferous forests, and marshy areas." The areas in which individuals live tend to be moist environments. This includes being near creeks and on the forest floor under fallen trees and other debris.
The southern most range of S. sonomae is Marin County near the city of Sonoma in California and range north to the "central coast of Oregon." They tend to stay closer to the coast and not move far inland unless they are near a body of water.
- Hammerson, G. (2008). "Sorex sonomae". IUCN Red List of Threatened Species. Version 2009.2. International Union for Conservation of Nature. Retrieved 9 February 2010.
- "Fog Shrew - Sorex sonomae - Overview - Encyclopedia of Life". Encyclopedia of Life. Retrieved 2017-12-04.
- 1921-, Jameson, E. W. (Everett Williams), (2004). Mammals of California. Peeters, Hans J., Jameson, E. W. (Everett Williams), 1921- (Rev. ed.). Berkeley: University of California Press. ISBN 9780520235823. OCLC 52942735.
- Hutterer, Rainer (December 2017). "Homology of unicuspids and tooth nomenclature in shrews". Special Publication of the International Society of Shrew Biologists. 1: 397–404.
- "North American Mammals: Sorex sonomae : Species Information". naturalhistory.si.edu. Retrieved 2017-12-04.
- "Sorex sonomae (Fog Shrew)". www.iucnredlist.org. Retrieved 2017-12-04.
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