| Eastern Black Crested Gibbon | ||||||||||||||
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| Nomascus nasutus (Kunkel d'Herculais, 1884) |
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The Eastern Black Crested Gibbon (Nomascus nasutus) is a species of gibbon that was once widespread in China and Vietnam. There are 2 subspecies.
It became extinct on the continent in the 1950s; and now roughly only 20 gibbons of the subspecies Nomascus nasutus hainanus (Hainan Black Crested Gibbon) survive on Hainan Island and around 26 individuals of the subspecies Nomascus nasutus nasutus (Cao Vit Black Crested Gibbon) were rediscovered in 2002 in the Trung Khanh district of Cao Bang Province in northeast Vietnam, after last being seen in the 1960s.[2]
The Eastern Black Crested Gibbon is the rarest and most critically endangered primate in the world. This status has resulted from deforestation of its habitat, encroachment, and poaching.
References
- ^ Bleisch, B. & Geissmann, T. (2008). Nomascus nasutus. 2008 IUCN Red List of Threatened Species. IUCN 2008. Retrieved on 4 January 2009.
- ^ Mootnick, A. R., Rylands, A. B. and Konstant, W. R. 2005. Hainan Black-crested Gibbon, Nomascus nasutus hainanus (Thomas, 1892). In: Primates in Peril: The World's 25 Most Endangered Primates 2004-2006, R. A. Mittermeier, C. Valladares-Pádua, A. B. Rylands, A. A. Eudey, T. M. Butynski, J. U. Ganzhorn, R. Kormos, J. M. Aguiar and S. Walker (eds.), pp.30-31. Report to IUCN/SSC Primate Specialist Group (PSG), International Primatological Society (IPS) and Conservation International (CI), Washington, DC.
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