Oreoryzomys balneator


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Oreoryzomys balneator
Species Authority: (Thomas, 1900)
Common Name(s):
English Peruvian Rice Rat
Oryzomys balneator Thomas, 1900
Taxonomic Notes: Oryzomys is a generic synonym (Weksler et al. 2006). This is likely a species complex (M. Weksler pers. comm.).

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Tirira, D., Boada, C. & Weksler, M.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
This species is listed as Data Deficient in view of continuing taxonomic uncertainty, the absence of information on its extent of occurrence, threats, status and ecological requirements. If the western population is a unique species it could be severely threatened.

Geographic Range [top]

Range Description: This species distribution is disjunct. It occurs in east and south Ecuador, north Peru; range extent uncertain (Musser and Carleton, 2005). It has an altitudinal range of 1,500 to 1,800 m (Tirira, in prep.)
Ecuador; Peru
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The species is rare in Ecuador (Tirira, in prep.).
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: It is not well known. In Ecuadorian Andes the species occurs in cloud forest (Musser et al. 1998). Probably it is terrestrial and nocturnal.
Systems: Terrestrial

Threats [top]

Major Threat(s): In Ecuador, eastern habitat is well preserved; but western habitat has been destroyed (C. Boada and D. Tirira pers. comm.).

Conservation Actions [top]

Conservation Actions: The species has not been recorded from any protected areas (Tirira pers. comm.). Further taxonomic surveys are required.

Citation: Tirira, D., Boada, C. & Weksler, M. 2008. Oreoryzomys balneator. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 30 August 2015.
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