Yellow-cheeked Gibbon

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Yellow-cheeked Gibbon[1]
(left: male right: female)
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Superfamily: Hominoidea
Family: Hylobatidae
Genus: Nomascus
Species: N. gabriellae
Binomial name
Nomascus gabriellae
(Thomas, 1909)

The Yellow-cheeked Gibbon (Nomascus gabriellae), also called the Yellow-cheeked Crested Gibbon, the Golden-cheeked Crested Gibbon or the Buffed-cheeked Gibbon, is a species of gibbon native to Vietnam, Laos and Cambodia.[1]

The Yellow-cheeked Gibbon is born blond and later turns black, and males carry this colouring through their lifespan and have the distinguishing golden cheeks; females are born blonde to blend into their mother's fur but they later turn black and turn back to blond at sexual maturity and only have a black cap on the top of their heads.[citation needed]

This diurnal and arboreal gibbon lives in primary tropical rainforest, foraging for fruits, using brachiation to move through the trees.

The Yellow-cheeked Gibbon, like all gibbon species, has a unique song which is usually initiated by the male.[citation needed] The female will then join in and sing with the male to reinforce their bond and announce to other gibbons that they are a pair in a specific territory.[citation needed] The male usually finishes the song after the female has stopped singing.[citation needed]

Little is known about this species in the wild, but it is thought that it has a life span of approximately 46 years.[citation needed]

A recent report by the Wildlife Conservation Society counted 2,500 yellow-cheeked crested gibbons in Cambodia’s Seima Biodiversity Conservation Area, an estimate that represents the largest known population of the species in the world.[3]

[edit] References

  1. ^ a b Groves, C. (2005). Wilson, D. E., & Reeder, D. M.. ed. Mammal Species of the World (3rd ed.). Johns Hopkins University Press. pp. 180. ISBN 0-801-88221-4. http://www.bucknell.edu/msw3/browse.asp?id=12100773. 
  2. ^ Geissmann, T., Manh Ha, N., Rawson, B., Timmins, R., Traeholt, C. & Walston, J. (2008). Nomascus gabriellae. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 4 January 2009.
  3. ^ Unexpected Large Monkey Population Discovered Newswise, Retrieved on August 28, 2008.