Exilisciurus exilis 

Scope: Global

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Sciuridae

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.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species is endemic to Borneo. It occurs also on Banggi island (Thorington and Hoffmann 2005).
Countries occurrence:
Brunei Darussalam; Indonesia (Kalimantan); Malaysia (Sabah, Sarawak)
Additional data:
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.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

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

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 2008: e.T8437A12912137. . Downloaded on 24 October 2016.
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