Oecomys roberti


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Oecomys roberti
Species Authority: (Thomas, 1904)
Common Name(s):
English Robert's Arboreal Rice Rat

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Costa, L., Weksler, M. & Bonvicino, C.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
This species is listed as Least Concern in because of its wide distribution, presumed large population, occurrence in a number of protected areas, tolerance to some degree of habitat modification, 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 broadly distributed in Amazonian from occurs from southern Venezuela, Guianas, and Amazonian region of western Brazil, eastern Peru, and extreme north Bolivia (Musser and Carleton, 2005).
Bolivia, Plurinational States of; Brazil; French Guiana; Guyana; Peru; Suriname; Venezuela, Bolivarian Republic of
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is apparently relatively common. Patton et al. (2000) caught 50 individuals in a survey in Jurua forest, Brazil.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: During a study along the Rio Jurua River the species was found primarily in varzea forest (88%), two specimens were found in edge of igapo forest and two in highly disturbed second growth edges to seasonally flooded forest habitats.
Systems: Terrestrial

Threats [top]

Major Threat(s): There are no major threats at this time.

Conservation Actions [top]

Conservation Actions: This rodent occurs in several 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.

Patton, J. L., da Silva, M. A. and Malcolm, J. R. 2000. Mammals of the Rio Jurua and the Evolutionary and Ecological Diversification of Amazonia. Bulletin of the American Museum of Natural History 244: 1-306.

Citation: Costa, L., Weksler, M. & Bonvicino, C. 2008. Oecomys roberti. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 31 August 2015.
Disclaimer: To make use of this information, please check the <Terms of Use>.
Feedback: If you see any errors or have any questions or suggestions on what is shown on this page, please provide us with feedback so that we can correct or extend the information provided