Eastern grey gibbon

The eastern grey gibbon or northern grey gibbon (Hylobates funereus) is a primate in the gibbon family, Hylobatidae.

Eastern grey gibbon
CITES Appendix I (CITES)[2]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Suborder: Haplorhini
Infraorder: Simiiformes
Family: Hylobatidae
Genus: Hylobates
Species:
H. funereus
Binomial name
Hylobates funereus
Northern grey gibbon range in yellow

Taxonomy

Formerly, the eastern grey gibbon and western grey gibbon (H. abbotti) were considered conspecific with the southern grey gibbon (H. muelleri), but more recent studies indicate that all three are distinct species, and both the IUCN Red List and the American Society of Mammalogists consider them such. However, they can still hybridize with one another where their ranges meet.[1][3][4][5]

Distribution

It is endemic to northeastern Borneo, and is found in Kalimantan, Sarawak, and Brunei. It ranges from Sabah south to the Mahakam River in East Kalimantan, and west to Baram in Sarawak.[1]

Conservation

As with the other two grey gibbons, this species is thought to be endangered due to heavy deforestation in Borneo, as well as increases in forest fires exacerbated by El Niño events. It is also threatened by illegal hunting and capture for the pet trade.[1]

References
  1. Nijman, V.; Cheyne, S.; Traeholt, C. (2020). "Hylobates funereus". IUCN Red List of Threatened Species. 2020: e.T39890A17990856. Retrieved November 8, 2021.
  2. "Appendices | CITES". cites.org. Retrieved 2022-01-14.
  3. "Explore the Database". www.mammaldiversity.org. Retrieved 2021-11-08.
  4. Evolution of Gibbons and Siamang | SpringerLink (PDF). Developments in Primatology: Progress and Prospects. 2016. doi:10.1007/978-1-4939-5614-2. ISBN 978-1-4939-5612-8. S2CID 32085956.
  5. Sonstige, Wilson, Don E. 1944- Hrsg. Cavallini, Paolo (2013). Handbook of the mammals of the world. Lynx Edicions. ISBN 978-84-96553-89-7. OCLC 1222638259.{{cite book}}: CS1 maint: multiple names: authors list (link)
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