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Adult male, Bu Gia Map National Park, Vietnam

Photo by Hoang Minh Duc

Black-shanked Douc (Pygathrix nigripes)


Three species of doucs are recognised: the black-shanked douc (P. nigripes), red-shanked douc (P. nemaeus), and grey-shanked douc (P. cinerea). The black-shanked douc is identified in the field by its black legs and arms, grey belly, blue face with yellow eye-rings, and a long white tail.


The black-shanked douc is critically endangered with a restricted range in Vietnam and Cambodia [1]. In Vietnam, it is estimated that there are between 3,300 and 4,000 individuals [2], with only a number of ecological research on the species in the wild [3,4,5].


Group of black-shanked doucs, Nui Chua National Park, Vietnam

Photo by Hoang Minh Duc


[1] Rawson B., Lippold L., Timmins R., Ngoc Thanh V. & Manh Ha N., 2008. Pygathrix nigripes. In: IUCN Red List of Threatened Species. Version 2021.3

[2] Covert H.H., Dong Thanh Hai, Ha Thang Long, Hoang Minh Duc, Le Khac Quyet & O'Brien J.A., in press. The odd-nosed monkeys of Vietnam: distribution, conservation status and ecology. In: Wright B.W., Tan C. and Grueter C. (eds.), Odd-nosed monkeys: recent advances in the study of the forgotten colobines. Springer Publishing, New York

[3] Hoang Minh Duc, Baxter G.S. & Page M., 2011. Preliminary results on food selection of the black-shanked douc (Pygathrix nigripes) in southern Vietnam. Vietnamese Journal of Primatology 1 (5), 29-39

[4] O'Brien J.A., Thanh T.V., Khanh P.H., Nguyen T.H. & Covert H.H., 2008. Habitat structure variation: implications for understanding the feeding ecology of black-shanked douc in Cat Tien National Park, Vietnam. American Journal of Physical Anthropology Supplement 16, 164

[5] Hoang Minh Duc, 2007. Ecology and conservation status of the black-shanked douc (Pygathrix nigripes) in Nui Chua and Phuoc Binh National Parks, Ninh Thuan Province, Vietnam. PhD thesis, University of Queensland 


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