Exilisciurus exilis


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Exilisciurus exilis
Species Authority: (Müller, 1838)
Common Name(s):
English Least Pygmy Squirrel

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Duckworth, J.W., Meijaard, E. & Gumal, M.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
Listed as Data Deficient in view of continuing uncertainties as to its extent of occurrence, status and ecological requirements. It is endemic to Borneo and is almost restricted to lowland forest. This is suffering heavy degradation and the effect on the species is not clear. Further studies are needed to assess its adaptability to oil palm plantations.

Geographic Range [top]

Range Description: This species is endemic to Borneo. It occurs also on Banggi island (Thorington and Hoffmann 2005).
Brunei Darussalam; Indonesia (Kalimantan); Malaysia (Sabah, Sarawak)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The abundance and population size of this species are not known.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: This species inhabits predominantly lowlands and lower hills.
Systems: Terrestrial

Threats [top]

Major Threat(s): This species is threatened by the massive habitat conversion of lowland and lower hill forest in Borneo. It is unclear whether the species can use replacement plantations (W. Duckworth et al. pers. comm.).

Conservation Actions [top]

Conservation Actions: It occurs in various protected areas but many of these may support only small populations as they may be above this species' main altitudinal range (W. Duckworth et al. pers. comm.).

Citation: Duckworth, J.W., Meijaard, E. & Gumal, M. 2008. Exilisciurus exilis. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 03 September 2015.
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