Thomasomys incanus


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Thomasomys incanus
Species Authority: (Thomas, 1894)
Common Name(s):
English Inca Oldfield Mouse
Taxonomic Notes: This species is in revision (V. Pacheco pers. comm.).

Assessment Information [top]

Red List Category & Criteria: Vulnerable B2ab(i,ii,iii) ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Pacheco, V. & Vargas, J.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
This species is listed as Vulnerable because its extent of occurrence is less than 20,000 km², its distribution is severely fragmented, and there is continuing decline in the extent and quality of its habitat.

Geographic Range [top]

Range Description: This species occurs in the Andes of central Peru (Musser and Carleton, 2005). It has an altitudinal range of 2,550 to 3,250 m (V. Pacheco pers. comm.).
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is locally common to rare (V. Pacheco pers. comm.).
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: This rodent occurs in montane forest. It is terrestrial and nocturnal (V. Pacheco pers. comm.).
Systems: Terrestrial

Threats [top]

Major Threat(s): The major threats are deforestation, fragmentation, and agriculture.

Conservation Actions [top]

Conservation Actions: This species has been recorded in Yanachala Chemillén National Park (V. Pacheco pers. comm.).

Citation: Pacheco, V. & Vargas, J. 2008. Thomasomys incanus. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 01 September 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