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Notiosorex villai

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA EULIPOTYPHLA SORICIDAE

Scientific Name: Notiosorex villai
Species Authority: Carraway & Timm, 2000
Common Name(s):
English Villa's Grey Shrew
Taxonomic Notes: In the past there was one wide ranging species, Notiosorex crawfordi. Now four species are recognized in the genus: crawfordi, cockrumi, evotis and villai (Carraway and Timm 2000).

Assessment Information [top]

Red List Category & Criteria: Vulnerable B1ab(iii) ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Castro-Arellano, I., Timm, R., Matson, J. & Woodman, N.
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 much less than 20,000 km², it is known from only a few specimens within its small range, and the extent and quality of its habitat is declining.

Geographic Range [top]

Range Description: This species is known from southwestern Tamaulipas, and only from the west side because it is a dry area (Carraway and Timm, 2000). It may occur more widely than is currently known (Carraway, 2007).
Countries:
Native:
Mexico
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is currently known only from three locations in two isolated mountain valleys. There is no further information on population status.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: it has been found in pine-oak forest, tropical forest and riparian forest (Carraway, 2007).
Systems: Terrestrial

Threats [top]

Major Threat(s): Overgrazing and agricultural activities threaten the habitat of this species.

Conservation Actions [top]

Conservation Actions: This species probably occurs in the western side of El Cielo Biosphere Reserve in Tamaulipas, Mexico.

Citation: Castro-Arellano, I., Timm, R., Matson, J. & Woodman, N. 2008. Notiosorex villai. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 26 October 2014.
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