Yellow-cheeked gibbon

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Yellow-cheeked gibbon[1]
(male left; female right)
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)
Yellow-cheeked Gibbon area.png
Yellow-cheeked gibbon range
Female adults at the Cincinnati Zoo

The yellow-cheeked gibbon (Nomascus gabriellae), also called the golden-cheeked gibbon, 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.[3]

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.[4] 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.[5]

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.[6]


  1. ^ a b Groves, C. P. (2005). Wilson, D. E.; Reeder, D. M, eds. Mammal Species of the World (3rd ed.). Baltimore: Johns Hopkins University Press. p. 180. OCLC 62265494. ISBN 0-801-88221-4. 
  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. Retrieved 4 January 2009.
  3. ^ Geissman, Thomas. "Fact Sheet: Yellow-Cheeked Crested Gibbon". Retrieved 4 December 2012. 
  4. ^ Quist, Erin. "Nomascus gabriella". 
  5. ^ Quist, Erin. "Nomascus gabriella". 
  6. ^ Unexpected Large Monkey Population Discovered Newswise, Retrieved on August 28, 2008.