Cratogeomys merriami 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Geomyidae

Scientific Name: Cratogeomys merriami (Thomas, 1893)
Common Name(s):
English Merriam’s Pocket Gopher, Merriam's Pocket Gopher
Pappogeomys merriami (Thomas, 1893)
Taxonomic Source(s): Hafner, M.S., Light, J.E., Hafner, D.J., Brant, S.V., Spradling, T.A. and Demastes, J.W. 2005. Cryptic species in the Mexican pocket gopher Cratogeomys merriami. Journal of Mammalogy 86: 1095-1108.
Taxonomic Notes: A recent taxonomic revision of Cratogeomys merriami based on multiple characters resulted in two species being split from C. merriami: C. fulvescens and C. perotensis (Hafner et al. 2005). C. merriami is monotypic (Hafner 2016).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2016
Date Assessed: 2016-06-10
Assessor(s): Álvarez-Castañeda, S.T., Lacher, T. & Vázquez, E.
Reviewer(s): Amori, G.
Contributor(s): Hafner, M. & Castro-Arellano, I.
Listed as Least Concern because, although its extent of occurrence is less than 20,000 km2, it is common and adaptable with a presumed large population, and it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Merriam's Pocket Gopher is endemic to Mexico, where it is found in the southern part of the Valley of Mexico, Sierra de Las Cruces, Sierra de Ajusco, the Popocatépetl-Iztaccíhutl range, and from Lerma to western Puebla in the Valley of Toluca (Hafner et al. 2005). The species ranges in elevation from 1,800 m to 4,000 m asl (Hafner et al. 2005).
Countries occurrence:
Additional data:
Lower elevation limit (metres):1800
Upper elevation limit (metres):4000
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This species is patchily distributed, but common to abundant.
Current Population Trend:Stable
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species lives in grasslands (sacatonal), and temperate forests of pine and oak. It is also known to occur in agricultural lands and rangelands (Whisson and Villa-C 1994).
Generation Length (years):1-2

Threats [top]

Major Threat(s): There are no major threats to this species. In many parts of its range, however, habitat is being degraded or lost to expanding agriculture and human settlement.

Conservation Actions [top]

Conservation Actions: There are several protected areas that overlap with this species' range.

Citation: Álvarez-Castañeda, S.T., Lacher, T. & Vázquez, E. 2016. Cratogeomys merriami. The IUCN Red List of Threatened Species 2016: e.T16028A22217011. . Downloaded on 20 January 2018.
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