Oligoryzomys griseolus

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

Bibliography

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	MAMMALIA	RODENTIA	CRICETIDAE

Scientific Name:

Oligoryzomys griseolus

Species Authority:

(Osgood, 1912)

Common Name/s:

English

–

Grayish Pygmy Rice Rat

Assessment Information [top]

Red List Category & Criteria:	Least Concern ver 3.1
Year Published:	2008
Assessor/s:	Gómez-Laverde, M. & Weksler, M.
Reviewer/s:	Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
Contributor/s:
Justification: This species is listed as Least Concern in view of its wide distribution, presumed large population, it occurs in a number of protected areas, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.

Geographic Range [top]

Range Description:	This species occurs in Táchira, Andes of extreme west Venezuela, and Cordillera Oriental of east Colombia (Musser and Carleton, 2005).
Countries:	Native: Colombia; Venezuela
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	It is locally common (M. Gómez-Laverde pers. comm.).
Population Trend:	Decreasing

Habitat and Ecology [top]

Habitat and Ecology:	This species is terrestrial and occurs in high montane forest and paramo (Linares 1998).
Systems:	Terrestrial

Threats [top]

Major Threat(s):	There does not appear to be any major threats to this species; however, deforestation and habitat loss affect its area of occupancy.

Major Threat(s):

There does not appear to be any major threats to this species; however, deforestation and habitat loss affect its area of occupancy.

Conservation Actions [top]

Conservation Actions:	It occurs in several protected areas. No conservation measures are needed for this species.

Conservation Actions:

It occurs in several protected areas. No conservation measures are needed for this species.

Bibliography [top]

	Linares, O. J. 1998. Mamíferos de Venezuela. Sociedad Conservacionista Audubon de Venezuela, Caracas, Venezuela. Musser, G. G. and Carleton, M. D. 2005. Superfamily Muroidea. In: D. E. Wilson and D. A. Reeder (eds), Mammal Species of the World: a geographic and taxonomic reference, pp. 894-1531. The John Hopkins University Press, Baltimore, USA.

Linares, O. J. 1998. Mamíferos de Venezuela. Sociedad Conservacionista Audubon de Venezuela, Caracas, Venezuela.

Musser, G. G. and Carleton, M. D. 2005. Superfamily Muroidea. In: D. E. Wilson and D. A. Reeder (eds), Mammal Species of the World: a geographic and taxonomic reference, pp. 894-1531. The John Hopkins University Press, Baltimore, USA.

Citation:	Gómez-Laverde, M. & Weksler, M. 2008. Oligoryzomys griseolus. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 20 May 2013.
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