Conservation status of Vietnamese primates

Abstract

Summary In Vietnam 6 primate genera and 24 primate taxa are recognized. Six taxa are endemic to the country: Con Dao long-tailed macaque (Macaca fascicularis condorensis), Delacour’s langur (Trachypithecus delacouri), Cat Ba langur (T. poliocephalus poliocephalus), grey-shanked douc langur (Pygathrix cinerea), Tonkin snub-nosed monkey (Rhinopithecus avunculus) and eastern black gibbon (Nomascus nasutus). The IUCN Red List classified 6 taxa as “Critically Endangered”, 9 taxa as “Endangered”, 6 taxa as “Vulnerable”, 1 taxon as “Near Threatened” and only 2 taxa as “Least Concern”. Five endemic species to Vietnam are listed as “Critically Endangered” and face a very high risk of extinction. All primates are protected under the wildlife protection law, but the main threat for the primates is poaching, mostly for the use in traditional medicine but also for food and for the pet trade. Habitat destruction through fuel-wood collection, logging, agriculture encroachment, and often in connection with poaching, has also an increasing impact to the population decrease. Most, if not all populations are already highly fragmented. Despite an increasing knowledge during the last years about the systematic classification, distribution, threats and also about biology and ecology of the primates in Vietnam more detailed studies are necessary to improve the protection and to save the survival of several species.

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