Rubrisciurus rubriventer


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Rubrisciurus rubriventer
Species Authority: (Müller & Schlegel, 1844)
Common Name(s):
English Sulawesi Giant Squirrel

Assessment Information [top]

Red List Category & Criteria: Vulnerable A4cd ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Helgen, K. & Aplin, K.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
This species is assessed as Vulnerable because of ongoing population decline of at least 30%, inferred from the rapid rate and extent of deforestation on Sulawesi, especially in the lowland areas, as well as levels of direct exploitation from small-scale hunting.

Geographic Range [top]

Range Description: This species is widespread on Sulawesi, even in the highland areas. These squirrels have recently been found at up to 900 m on Sangihe island just north of Sulawesi (Riley 2002).
Indonesia (Sulawesi)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is a widespread species, but no real information on abundance is available. It is probably rare on Sangihe (Riley 2002).
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: This species occurs in lowland and highland forest. On Sangihe, this species was sighted in primary forest or gardens adjacent to forest (Riley 2002).
Systems: Terrestrial

Threats [top]

Major Threat(s): It is threatened by hunting and deforestation due to logging and agricultural conversion. Sangihe island is heavily cultivated at low elevations, and there are no strictly protected areas. Also, it is reported as being a target of hunting by local farmers (Riley 2002).

Conservation Actions [top]

Conservation Actions: It occurs in at least two protected areas across its range.

Bibliography [top]

Corbet, G.B. and Hill, J.E. 1992. Mammals of the Indo-Malayan Region: a Systematic Review. Oxford University Press, Oxford, UK.

Riley, J. 2002. Mammals on the Sangihe and Talaud Islands, Indonesia, and the impact of hunting and habitat loss. Oryx 36(3): 288–296.

Citation: Helgen, K. & Aplin, K. 2008. Rubrisciurus rubriventer. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 04 September 2015.
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