PROFILPELAJAR.COM

Robinson's squirrel
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Sciuridae
Genus:	Sundasciurus
Species:	S. robinsoni
Binomial name
	Sundasciurus robinsoni; (Bonhote, 1902)
Subspecies
	S. r. robinsoni; S. r. balae; S. r. vanakeni;

Sundasciurus robinsoni, or Robinson's squirrel, is a species of rodent in the family Sciuridae. It is found in Indonesia, Malaysia and Thailand. The species Sundasciurus robinsoni has a dorsum that ranges from medium brown with orange agouti to dark brown (S. r. vanakeni), and its venter ranges from white to pale yellow/buff white, with a reduction in the extent of this pale coloration and a lack of distinct margins in the case of S. r. vanakeni. Some populations (S. r. balae and S. r. vanakeni) have a grayish ventral coloration in limbs while others do not (S. r. robinsoni). It can be easily distinguished from other medium-sized western Sundaland Sundasciurus based on its ventral coloration and tail. All populations of S. fraterculus except Siberut, S. tahan, and S. altitudinis have a venter fur coloration homogeneously admixed with gray. The only other medium-sized squirrel found in syntopy, S. tenuis, is also usually ventrally darker (admixed with gray) and dorsally lighter, with reddish-brown coloration on the shoulders and hips, white/pallid yellow hair tips present on tail, and a relatively thinner and longer tail (85–95% of head-body length;^[2] than S. robinsoni (56–84% of head-body length). Males of S. fraterculus, S. tahan and S. tenuis have a darker orange wash in the scrotal area than S. robinsoni, which is peach colored.^[1]

References

^ ^a ^b Hinckley, A., Hawkins, M. T., Achmadi, A. S., Maldonado, J. E., & Leonard, J. A. (2020). Ancient divergence driven by geographic isolation and ecological adaptation in forest dependent sundaland tree squirrels. Frontiers in Ecology and Evolution, 8, 208. https://doi.org/10.3389/fevo.2020.00208 This article incorporates text from this source, which is available under the CC BY 4.0 license.
^ Corbet, Gordon Barclay; Hill, John Edwards (1992). The Mammals of the Indomalayan Region: A Systematic Review. Oxford, United Kingdom: Oxford University Press. ISBN 0-19-854693-9. OCLC 1123402285.