Sorex milleri

Scope: Global

Language: English

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Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
Animalia	Chordata	Mammalia	Eulipotyphla	Soricidae

Scientific Name:

Sorex milleri 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:	1996 – Vulnerable (VU) Download assessment

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:

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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.

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.).

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 23 June 2018.
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