Oecomys speciosus


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Oecomys speciosus
Species Authority: (J.A. Allen & Chapman, 1893)
Common Name(s):
English Arboreal Rice Rat
Taxonomic Notes: A lot of taxonomic confusion with other species.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Gómez-Laverde, M., Aguilera, M., Rivas, B., Ochoa, J., Woodman, N. & Emmons, L.
Reviewer(s): McKnight, M. (Global Mammal Assessment Team) & Amori, G. (Small Nonvolant Mammal Red List Authority)
This species is listed as Least Concern in view of its wide distribution, presumed large population, occurrence in a number of protected areas, and because it does not appear to be under threat and 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 the savannas of northeast Colombia, central and north Venezuela, and Trinidad (Musser and Carleton 2005). In Venezuela, it is found in the north from Zulia and Falcon to the peninsula Paria and Delta Amacuro, and also along the banks of the Orinoco River from Apure to Delta Amacuro (Lord 1999).
Colombia; Trinidad and Tobago; Venezuela, Bolivarian Republic of
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is locally common in Venezuela although it is difficult trap. The population status in Colombia is not known.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: This species occurs in tropical rainforest as well as dry forest; it is found mostly in secondary forest, gallery and inundated palm forest and disturbed areas (Linares 1998). In Colombia it occurs in the savannas (M. Gómez-Laverde pers. comm.).

It is semi arboreal, omnivorous and nocturnal.
Systems: Terrestrial

Threats [top]

Major Threat(s): There does not appear to be any major threats to this species.

Conservation Actions [top]

Conservation Actions: This species occurs in a number of protected areas throughout its range.

Bibliography [top]

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

Lord, R. 2000. Wild mammals of Venezuela. Armitano Editores, C. A., 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., Aguilera, M., Rivas, B., Ochoa, J., Woodman, N. & Emmons, L. 2008. Oecomys speciosus. The IUCN Red List of Threatened Species. Version 2014.3. <>. Downloaded on 29 March 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