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Orthogeomys thaeleri

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA RODENTIA GEOMYIDAE

Scientific Name: Orthogeomys thaeleri
Species Authority: Alberico, 1990
Common Name/s:
English Thaeler's Pocket Gopher
Taxonomic Notes: This species' taxonomy is currently being reviewed, it may be conspecific with O. dariensis (Sudman and Hafner 1992).

Assessment Information [top]

Red List Category & Criteria: Least Concern     ver 3.1
Year Assessed: 2008
Assessor/s: Anderson, R.P., Gómez-Laverde, M., Samudio, R. & McCarthy, T.
Reviewer/s: McKnight, M. (Global Mammal Assessment Team) & Amori, G. (Small Nonvolant Mammal Red List Authority)
Justification:
Listed as Least Concern since, although its extent of occurrence is probably less than 20,000 km2, it occurs in an area of extensive, suitable habitat that does not appear to be under threat, has a presumed large population, and is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.
History:
1996 Lower Risk/least concern

Geographic Range [top]

Range Description: This species occurs in Serranía de Baudó (extreme north-west Colombia) (Patton 2005). It has an altitudinal range of 100 to 500 m (Alberico et al. 2000).
Countries:
Native:
Colombia
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is locally abundant, but populations are patchily distributed (Emmons and Feer 1997).
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: It occupies open habitats with well-drained soils (Emmons and Feer 1997). It also occurs in tropical rainforest, mainly in lowlands. It is probably both diurnal and nocturnal, fossorial, and solitary. It is herbivorous and feeds on underground plant parts, such as tubers and stems, and on above ground parts pulled down from below. The presence of pocket gophers is shown by their shallow foraging tunnels, which appear as low humps snaking between damaged plants.
Systems: Terrestrial

Threats [top]

Major Threat(s): There are no known major threats to this species; it occurs in a remote area (R. P. Anderson pers. comm.).

Conservation Actions [top]

Conservation Actions: This species is probably found in one protected area in Colombia, Cuena Quebrada Mutata Forest Reserve. It is not known from any other protected areas (R. P. Anderson pers. comm.).

Bibliography [top]

Alberico, M., Cadena, A., Hernández-Camacho, J. and Muñoz-Saba, Y. 2000. Mamíferos (Synapsida: Theria) de Colombia. Biota Colombiana 1(1): 43-75.

Emmons, L. H. and Feer, F. 1997. Neotropical Rainforest Mammals: A Field Guide, Second edition. University of Chicago Press, Chicago, IL, USA.

Patton, J. L. 2005. Family Geomyidae. In: D.E. Wilson and D.M. Reeder (eds), Mammal Species of the World, pp. 859-871. The Johns Hopkins University Press, Baltimore, USA.

Sudman, P. D. and Hafner, M. S. 1992. Phylogenetic relationships among Middle American pocket gophers (genus Orthogeomys) based on mitochondrial DNA sequences. Molecular Phylogenetics and Evolution 1: 17-25.

Citation: Anderson, R.P., Gómez-Laverde, M., Samudio, R. & McCarthy, T. 2008. Orthogeomys thaeleri. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 10 February 2012.
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