Rhinopithecus avunculus (Dollman, 1912)

Tonkin snub-nosed monkey



Taxonomy & Nomenclature



Conservation Status

Last record: 1912

Rediscovered in 1992 (Wirth, 1992)

IUCN RedList status: Critically Endangered



Viet Nam












Original scientific description:

Dollman, Guy. (1912). A new snub-nosed monkey. Proceedings of the Zoological Society, London 106(18): 503-504.


Other references:

Boonratana, R. and Le, X. C. 1998. Preliminary observations on the ecology and behaviour of the Tonkin snub-nosed monkey (Rhinopithecus [Presbyticus] avunculus) in Northern Vietnam. In: N. G. Jablonski (ed.), The Natural History of the Doucs and Snub-nosed Monkeys, pp. 207-215. World Scientific Publishing Co. Ltd., Singapore.

Fisher, Diana O. (2011). Trajectories from extinction: where are missing mammals rediscovered? Global Ecology & Biogeography 20: 415-425. [Appendix S1]

Groves C. 2001. Primate Taxonomy. Smithsonian Institution Press, Washington, DC, USA.

Le, X. C. and Boonratana, R. 2006. A conservation action plan for the Tonkin snub-nosed monkey in Viet Nam. Institute of Ecology and Biological Resources/Primate Conservation, Inc., Hanoi, Vietnam/New York, USA.

Long, B. and Le, K. Q. 2001. An Initial Assessment of Conservation Requirements for Cham Chu, Tuyen Quang Province, including Mammal and Bird Diversity Surveys. Fauna and Flora International, Hanoi, Vietnam.

Nadler, T., Momberg, F., Nguyen Xuan Dang and Lormée, N. 2003. Vietnam Primate Conservation Status Review 2002. Part 2: Leaf Monkeys. Fauna and Flora International- Vietnam Program and Frankfurt Zoological Society, Hanoi, Vietnam.

Nadler, T., Streicher, U. and Ha Thang Long. 2004. Conservation of primates in Vietnam. Haki Publishing, Hanoi, Vietnam.

Nguyen, N. 2000. A survey of Tonkin snub-nosed monkeys (Rhinopithecus avunculus) in northern Vietnam. Folia Primatologica 71(3): 157-160.

Ratajszczak, R., Dang, N. C. and Pham, N. 1992. A Survey for Tonkin Snub-nosed Monkey (Rhinopithecus avunculus) in the North Vietnam. FFPS/British Airways/WWF, London, UK.

Scheffers, Brett R., Yong, Ding Li, Harris, J. Berton C., Giam, Xingli and Sodhi, Navjot S. (2011). The world’s rediscovered species: back from the brink? PLoS ONE 6(7): e22531. [Supporting Information (Table S1)]

Wirth, R. 1992. Tonkin snub-nosed monkey (Rhinopithecus avunculus) rediscovered. Asian Primates 2(2): 1-2.

Xuan Canh, L., Khac Quyet, L., Thanh Hai, D. & Boonratana, R. 2008. Rhinopithecus avunculus. The IUCN Red List of Threatened Species 2008: e.T19594A8984679. Downloaded on 16 February 2017.


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