The Borneo black-banded squirrel (Callosciurus orestes) is a species of rodent in the family Sciuridae. It is endemic to northern Borneo.[1]
| Borneo black-banded squirrel | |
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| C. orestes at Kinabalu Park, Malaysia | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Sciuridae |
| Genus: | Callosciurus |
| Species: | C. orestes
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| Binomial name | |
| Callosciurus orestes (Thomas, 1895)
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Distribution
editThis species is found in northern Borneo at middle elevations (Payne et al. 1985). It was known from G. Dulit (above 1,000 metres (3,300 ft)) and reported from similar altitude on Usun Apau, the Kelabit Highlands and the upper S. Terusan, all montane localities in northern Sarawak. It was also known from Mount Kinabalu (1,000–1,700 metres (3,300–5,600 ft)) and Mount Trusmadi (about 1,500 metres (4,900 ft)) in Sabah. It appears to be restricted to lower montane forest and to upper dipterocarp forest.
Behaviour and ecology
editThe upper part is finely speckled brown. A pale buffy spot behind each ears. The underside is grey, sometimes with a reddish tinge. It also has a black and buffy-white side stripe. Callosciurus orestes is diurnal. They are active in small to medium-sized trees. Recently, fruit and black ants were found out in the two species of Mount Kinabalu.
Conservation status
editBased on The IUCN Red List Threatened Species, Callosciurus orestes is of Least Concern. It is listed as Least Concern as it is a middle montane species with a wide range. Some forest loss is occurring but not enough to list as Near Threatened.
References
edit- ^ a b Lee, B.P.Y-H.; Tizard, R.J. (2016). "Callosciurus orestes". IUCN Red List of Threatened Species. 2016: e.T3601A22253873. doi:10.2305/IUCN.UK.2016-2.RLTS.T3601A22253873.en. Retrieved 12 November 2021.
- Thorington, R. W. Jr. and R. S. Hoffman. 2005. Family Sciuridae. pp. 754–818 in Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore.
- Payne, J., C. M. Francis, and K. Phillipps 1985. A field guide to the mammals of Borneo. Kota Kinabalu: The Sabah Society