The particolored flying squirrel (Hylopetes alboniger) is a species of rodent in the family Sciuridae. It is found in Bangladesh, Bhutan, Cambodia, China, India, Laos, Myanmar, Nepal, Thailand, and Vietnam. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.
| Particolored flying squirrel | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Sciuridae |
| Genus: | Hylopetes |
| Species: | H. alboniger
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| Binomial name | |
| Hylopetes alboniger (Hodgson, 1836)
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The Himalayan large-eared flying squirrel (Priapomys leonardi) was formerly considered a subspecies of H. alboniger, but phylogenetic analysis revealed that it occupies a completely different place in the taxonomy of flying squirrels, and it as thus classified as a distinct species in its own genus.[2]
Nut Caching edit
Hylopetes alboniger is one of two squirrels (the other is Hylopetes phayrei electilis) that hang elliptical or oblate nuts securely in vegetation. They carve grooves into the nuts, using them to fix the nuts tightly between small intersecting twigs, reminiscent of the mortise-tenon joint in carpentry. Strategically, these cache sites are 10–25 m away from the nearest nut-producing tree, reducing potential theft. This behavior not only ensures secure storage but may also influence the forest's tree distribution.[3]
This storing of nuts contrasts with squirrels in temperate zones that typically do this in ground holes or under leaf litter.
References edit
- ^ Duckworth, J.W.; Tizard, R.J.; Molur, S. (2016). "Hylopetes alboniger". IUCN Red List of Threatened Species. 2016: e.T10600A22244563. doi:10.2305/IUCN.UK.2016-2.RLTS.T10600A22244563.en. Retrieved 11 November 2021.
- ^ Li, Quan; Cheng, Feng; Jackson, Stephen M.; Helgen, Kristofer M.; Song, Wen-Yu; Liu, Shao-Ying; Sanamxay, Daosavanh; Li, Song; Li, Fei; Xiong, Yun; Sun, Jun (2021-07-18). "Phylogenetic and morphological significance of an overlooked flying squirrel (Pteromyini, Rodentia) from the eastern Himalayas with the description of a new genus". Zoological Research. 42 (4): 389–400. doi:10.24272/j.issn.2095-8137.2021.039. ISSN 2095-8137. PMC 8317177. PMID 34047079.
- ^ Xu, Han; Xia, Lian; Spence, John R; Lin, Mingxian; Lu, Chunyang; Li, Yanpeng; Chen, Jie; Luo, Tushou; Li, Yide; Fang, Suqin (2023-06-13). "Flying squirrels use a mortise-tenon structure to fix nuts on understory twigs". eLife. 12: e84967. doi:10.7554/elife.84967. ISSN 2050-084X. PMC 10328505. PMID 37309191.
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