Mount Lyell shrew

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Mount Lyell shrew
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Eulipotyphla
Family: Soricidae
Genus: Sorex
S. lyelli
Binomial name
Sorex lyelli
Merriam, 1902
Mount Lyell Shrew area.png
Mount Lyell shrew range

The Mount Lyell shrew (Sorex lyelli) is a species of mammal in the family Soricidae. It is named for Mount Lyell in Yosemite National Park, the area where the shrew has been most commonly found.


It is endemic to a small area of the Sierra Nevada in California, United States.[1] The range is located in Fresno, Mariposa, Mono, and Tuolumne counties between an elevation of 2,100–3,630 metres (6,890–11,910 ft). It is typically found in sub-alpine riparian areas near fast-running streams.[2]


The shrew is between 8.9–10 centimetres (3.5–3.9 in) long[3] and weighs 4–5 grams (0.14–0.18 oz).[4] The skull contains 32 teeth.[3]


  1. ^ a b Hammerson, G. & Williams, D.F. (2008). "Sorex lyelli". IUCN Red List of Threatened Species. Version 2009.2. International Union for Conservation of Nature. Retrieved 8 February 2010.
  2. ^ Epanchin, Peter N.; Engilis, Andrew Jr. (September 2009). "Mount Lyell Shrew (Sorex lyelli) in the Sierra Nevada, California, with Comments on Alpine Records of Sorex". The Southwestern Naturalist. 54 (3): 354–357. doi:10.1894/CLG-17.1.
  3. ^ a b Burt, William H. (1976). A Field Guide to Mammals: North America north of Mexico. New York, NY: Houghton Mifflin Company. p. 3. ISBN 0-395-24082-4.
  4. ^ Kays, Roland W.; Wilson, Don E. (2009). Mammals of North America (Second ed.). Princeton, NJ: Princeton University Press. p. 26. ISBN 978-0-691-14278-4.