Critically Endangered. Taxonomy & Occurrence. Two groups of the species were discovered in China in 2011 and 2015, respectively. This primate exhibits a rich golden brown to golden red fur with a black and golden patch on the back. Golden snub-nosed monkey The golden snub-nosed monkey, also known as the Sichuan snub-nosed monkey is a very rare species found only in Central and Southwest China. Vietnamese Journal of Primatology (2007) 1, 75-83 75 Diet of the Tonkin snub-nosed monkey (Rhinopithecus avunculus) in the Khau Ca area, Ha Giang Province, Northeastern Vietnam Le Khac Quyet1, Nguyen Anh Duc2, Vu Anh Tai2, Barth W. Wright3 and The Tonkin snub-nosed monkey or Dollman's snub-nosed monkey (Rhinopithecus avunculus) is a slender-bodied arboreal Old World monkey, endemic to northern Vietnam. Rhinopithecus avunculus is a monotypic species (no subspecies).It is only found in northern Vietnam and nowhere else. It can be identified easily by its long golden-brown guard hairs on its back. Presumed extinct before its rediscovery in 1989, the Tonkin snub-nosed monkey is one of the world’s most endangered primates. It was formally described as a novel species of primate in 2011 based on its fur, beard and tail. The Myanmar snub-nosed monkey or black snub-nosed monkey (Rhinopithecus strykeri) is a critically threatened species of colobine monkey discovered in 2010 in northern Burma (Myanmar). It is a black and white monkey with a pink nose and lips and blue patches round the eyes. Though once … It is not strictly folivorous but typically feeds on over 60 species of plants and fruits. IUCN Conservation Status . The mean annual temperature is around 23.3oC.The lowest mean relative humidity occurs during October and December (35.5%) and the highest during Tonkin snub-nosed monkeys only occur in subtropical broad-leaf and bamboo forests that have monsoon rainfall and tropical temperatures. Total rainfall is around 2,300 mm/year. The Golden snub-nosed monkey is endemic to China, where this animal inhabits coniferous montane forests with sharp temperature fluctuations (below freezing in winter and up to 25 °C (77 °F) in summer). Tonkin snub-nosed monkeys are the only snub-nosed monkeys that occur in subtropical areas. : Diet of the Tonkin snub-nosed monkey 77 season. The Tonkin snub-nosed monkey (Rhinopithecus [Presbytiscus] avunculus), is an endemic, slender-bodied, arboreal colobine, largely restricted to forest on steep limestone mountains in northern Vietnam. With fewer than 250 individuals in the wild, the Tonkin Snub-nosed Monkey is one of the most endangered primates in the world [1,2]. It is found at altitudes of 200 to 1,200 m (700 to 3,900 ft) on fragmentary patches of forest on craggy limestone areas. It has a unique nose that has no protruding nasal bones, giving the species its name. 3. The exotic and colorful snub-nosed monkey spends its days foraging about the treetop in the mountain forests in China, Myanmar and Vietnam. Tonkin snub-nosed monkey (Rhinopithecus avunculus) Already in 1912 was the Tonkin snub-nosed monkey (Rhinopithecus avunculus) for the first time in North Vietnam described. The diet of these monkeys largely consists of leaves and fruit. Diet . Tonkin snub-nosed monkey feeds on a wide range of leaves as well as seeds and fruit. Le Khac Quyetet al. Some taxonomists group snub-nosed monkeys together with the genus Pygathrix.. Snub-nosed monkeys live in Asia, with a range covering southern China (especially Tibet, Sichuan, Yunnan, and Guizhou) extending into the northern parts of … These forests are usually found on top of limestone hills at elevations of less than 1000 m above sea level. The diet is made up of 28% leaf stems, 28% ripe fruits, 22% unripe … Primatology . 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