Sorex stizodon


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Sorex stizodon
Species Authority: Merriam, 1895
Common Name(s):
English San Cristobal Shrew

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(iii) ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Cuarón, A.D., de Grammont, P.C., Matson, J. & Woodman, N.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Chanson, J. (Global Mammal Assessment Team)
Listed as Critically Endangered because its extent of occurrence is less than 100 km², all individuals are in a single location, and there is continuing decline in the extent and quality of its habitat.
1996 Endangered

Geographic Range [top]

Range Description: This species is endemic to Mexico, and is known only from the type locality and the Reserva Ecológica Huitepec in Chiapas (Carraway, 2007). It is known from 2,743 m asl at the type locality (Merriam, 1895).
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is apparently rare (Reid, 1997).
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: It is known from wet and montane forest (Reid, 1997). Its biology is unknown.
Systems: Terrestrial

Threats [top]

Major Threat(s): Habitat loss, is estimated to be 26% in the last 10 years (Cuaron and Carton de Grammont pers. comm.). Agriculture and deforestation are major threats to the species' habitat.

Conservation Actions [top]

Conservation Actions: It is found in the Private Reserva Ecológica Huitepec in Chiapas (Naranjo and Espinoza Medinilla, 2001).

Citation: Cuarón, A.D., de Grammont, P.C., Matson, J. & Woodman, N. 2008. Sorex stizodon. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 31 August 2015.
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