Oligoryzomys eliurus


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Oligoryzomys eliurus
Species Authority: (Wagner, 1845)
Common Name(s):
English Brazilian Pygmy Rice Rat
Oryzomys utiaritensis J.A. Allen, 1916

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Leite, Y. & Patterson, B.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
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 although is being reduced due to habitat loss - it is not declining at nearly the rate required to qualify for listing in a threatened category.
1996 Lower Risk/least concern (Baillie and Groombridge 1996)

Geographic Range [top]

Range Description: Central and Southeastern Brazil; range limits uncertain (Musser and Carleton, 2005).
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Little is known about populations of this species.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: Known from Cerrado habitats and moist forest, usually associated with gallery forests and scrub.
Systems: Terrestrial

Threats [top]

Major Threat(s): Habitat loss is a threat across the species range, however, this is not currently a major threat.

Conservation Actions [top]

Conservation Actions: This species occurs in numerous protected areas.

Bibliography [top]

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: Leite, Y. & Patterson, B. 2008. Oligoryzomys eliurus. The IUCN Red List of Threatened Species. Version 2014.3. <>. Downloaded on 27 March 2015.
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