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Sorex milleri 

Scope: Global
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Eulipotyphla Soricidae

Scientific Name: Sorex milleri
Species Authority: Jackson, 1947
Common Name(s):
English – Carmen Mountain Shrew

Assessment Information [top]

Red List Category & Criteria: Vulnerable B1ab(iii) ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
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)
Justification:
Listed as Vulnerable because its extent of occurrence is less than 20,000 km², its range is severely fragmented, and there is ongoing decline in the extent and quality of its forest habitat.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species is restricted to the Sierra Madre Oriental of Coahuila and Nuevo León, Mexico, as well as a disjunct location in north western Coahuila. It is found from 2,400 m up to 3,700 m asl (Ceballos and Oliva, 2005; Carraway, 2007).
Countries occurrence:
Native:
Mexico
Additional data:
♦ Lower elevation limit (metres):2400
♦ Upper elevation limit (metres):2800
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:No population information is available for this species.
Current Population Trend:Decreasing
Additional data:
♦ Population severely fragmented:Yes

Habitat and Ecology [top]

Habitat and Ecology:It is usually found in moist shaded areas on logs amongst the leaf litter of high elevation Douglas-fir-pine-aspen and scrub piñon pine woodlands. It is insectivorous (Nowak, 1999).
Systems:Terrestrial

Threats [top]

Major Threat(s): Deforestation, mining, and overgrazing outside of the protected areas where it occurs are major threats.

Conservation Actions [top]

Conservation Actions: This species occurs on more than five different sierras, two of which are protected areas (Ivan Castro pers. comm.).
Citation: Matson, J., Woodman, N., Castro-Arellano, I. & de Grammont, P.C. 2008. Sorex milleri. The IUCN Red List of Threatened Species 2008: e.T20397A9195960. . Downloaded on 25 September 2016.
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