Thomasomys notatus


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Thomasomys notatus
Species Authority: Thomas, 1917
Common Name(s):
English Distinguished Oldfield Mouse

Assessment Information [top]

Red List Category & Criteria: Least Concern 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 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 occurs in the southeast of Peru (Musser and Carleton, 2005). It has an altitudinal range of 2,440 to 2,900 m (Emmons, 2001). It has been found in Yanachaga Chemillen, Manu, Machu Picchu and Vilcamba localities (Solari et al., 2001).
Range Map: Click here to open the map viewer and explore range.

Population [top]

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

Habitat and Ecology [top]

Habitat and Ecology: This species is probably arboreal and terrestrial (V. Pacheco pers. comm.).
Systems: Terrestrial

Threats [top]

Major Threat(s): Some populations are effected by deforestation, fragmentation, and agriculture.

Conservation Actions [top]

Conservation Actions: This rodent occurs in several protected areas (V. Pacheco pers. comm.).

Citation: Pacheco, V. & Vargas, J. 2008. Thomasomys notatus. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 03 September 2015.
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