Chilomys instans 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Cricetidae

Scientific Name: Chilomys instans (Thomas, 1895)
Common Name(s):
English Colombian Forest Mouse, Andean Chilomys
Taxonomic Notes: This is a species complex containing at least three species (V. Pacheco pers. comm.).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2016
Date Assessed: 2016-01-28
Assessor(s): Aguilera, M. & Tirira, D.G.
Reviewer(s): Amori, G.
Contributor(s): Gómez-Laverde, M., Pacheco, V. & Rivas, B.
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 is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species occurs in the north Andes, from central Ecuador (Musser et al. 1998), through central and north Colombia, to west Venezuela (Handley 1976, Linares 1998, Musser and Carleton 2005). It has an altitudinal range of 1,100 to 3,700 m.
Countries occurrence:
Colombia; Ecuador; Venezuela, Bolivarian Republic of
Additional data:
Lower elevation limit (metres):1100
Upper elevation limit (metres):3700
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:In Ecuador this rodent is uncommon (Tirira in prep.). In Venezuela it is rare (Linares 1998).
Current Population Trend:Stable
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This rodent is poorly known. It is restricted to moist humid cloud forest and co-occurs with the larger Thomasomys hylophilus, which it resembles (Aagaard 1982). It is terrestrial, omnivorous, and nocturnal.
Generation Length (years):1-2

Threats [top]

Major Threat(s): No major threats, although deforestation is affecting the species in some parts of its range.

Conservation Actions [top]

Conservation Actions: This species occurs in a number of protected areas throughout its range. Further research is needed to determinate its taxonomic status.

Citation: Aguilera, M. & Tirira, D.G. 2016. Chilomys instans. The IUCN Red List of Threatened Species 2016: e.T4634A22335661. . Downloaded on 24 April 2018.
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