Akodon affinis


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Akodon affinis
Species Authority: (J.A. Allen, 1912)
Common Name(s):
English Colombian Grass Mouse
Akodon tolimae J.A. Allen, 1913
Taxonomic Notes: Generic synonyms Abrothrix, Chroeomys, Hypsimys, Thaptomys. This species has a synonym A. tolimae (type locality Cordillera Central), also present in 'Cordillera Central y Occidental'). A species complex with taxonomic changes expected (Anderson and Gómez-Laverde pers. comm.).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Anderson, R.P. & Gómez-Laverde, M.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
This species is listed as Least Concern in view of its wide distribution, presumed large population, 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 Cordillera Occidental of western Colombia (Musser and Carleton, 2005); it also occurs in the Cordillera Central, Colombia (Gómez-Laverde pers. comm.). It has an altitudinal range of 1,300 to 3,000 m (Alberico et al., 2000).
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is common, in special in secondary and alterated areas (R. Anderson and M. Gómez-Laverde pers. comm.). Voss et al. (2002) captured 10 specimens of this species in the valley of the Rio Siato, Departamento Risaralda, Municipio Pueblo Rico, Vereda Siato, at 1,520-1,620 m, with 405 trap-nights.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: It has been found in dense forest (Voss et al., 2002). This mouse is terrestrial, and mostly diurnal and crepuscular. It probably feeds on insects, seeds, and vegetation (Quiceno, 1993).
Systems: Terrestrial

Threats [top]

Major Threat(s): There are no major threats to this species.

Conservation Actions [top]

Conservation Actions: This species occurs in Farallones de Cali, Tatamá, Las Orquideas in the Cordillera Occidental, and in Los Nevados National Parks and other protected areas.

Bibliography [top]

Alberico, M., Cadena, A., Hernández-Camacho, J. and Muñoz-Saba, Y. 2000. Mamíferos (Synapsida: Theria) de Colombia. Biota Colombiana 1(1): 43-75.

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: Anderson, R.P. & Gómez-Laverde, M. 2008. Akodon affinis. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 01 September 2015.
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