Snub-nosed monkey

Snub-nosed monkeys are a group of Old World monkeys and make up the entirety of the genus Rhinopithecus. The genus occurs rarely and needs much more research. Some taxonomists group snub-nosed monkeys together with the Pygathrix genus.

Snub-nosed monkeys live in Asia, with a range covering southern China (especially Tibet, Sichuan, Yunnan, and Guizhou) as well as the northern parts of Vietnam and Myanmar.

These monkeys get their name from the short stump of a nose on their round faces, with nostrils arranged forward. They have relatively multicolored and long fur, particularly at the shoulders and backs. They grow to a length of 51 to 83 cm with a tail of 55 to 97 cm.

Snub-nosed monkeys inhabit mountain forests up to a height of 4,000 m, in the winter moving into the deeply secluded regions. They spend the majority of their life in the trees. They live together in very large groups of up to 600 members, splitting up into smaller groups in times of food-scarcity, such as in the winter. Groups consist of many more males than females. They have territorial instincts, defending their territory mostly with shouts. They have a large vocal repertoire, calling sometimes solo while at other times together in choir-like fashion.

The diet of these animals consists mainly of tree needles, bamboo buds, fruits and leaves. A multi-chambered stomach helps them with digesting their food.

The impulse for mating starts with the female. She takes up eye contact with the male and runs away a short bit, then flashes her genitals. If the male shows interest (which does not always occur), he joins the female and they mate. The 200-day gestation period ends with a single birth in late spring or early summer. Young animals become fully mature in about six to seven years. Zoologists know little about their lifespan.

Species

See also

References

  1. ↑ Groves, C.P. (2005). "GENUS Rhinopithecus". In Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Baltimore: Johns Hopkins University Press. pp. 173–174. OCLC 62265494. ISBN 0-801-88221-4.
  2. ↑ Geissmann. T, Lwin. G, Aung. S, Naing Aung. T, Aung. Z M, Hla. T, Grindley. M. & Momberg. F. 2010. “A new species of Snub-nosed monkey, Genus Rhinopithecus Milne-Edwards, 1872 (Primates, Colobianae), From Northern Kachin State, Northeastern Myanmar”, American Journal of Primatology. October 2010, doi:10.1002/ajp.20894 PMID 20981682
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