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25 January 2012 Nomascus leucogenys (Primates: Hylobatidae)
Lee E Harding
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Abstract

Nomascus leucogenys (Ogilby, 1840) is a crested gibbon of northern Vietnam, northern Laos, and southern China. Males are black with white cheeks and females are a rich buff color with a dark brown sagittal crest. It is among the largest of hylobatids (except siamang) and has unusually long arms for a hylobatid. Its diet includes fruits, leaves, small animals, and flowers. It is territorial and lives with stable pair-bonds in nuclear families consisting of a male and female and their offspring. It is “Critically Endangered,” possibly extirpated from China with only isolated populations remaining in Laos and Vietnam.

the American Society of Mammalogists
Lee E Harding "Nomascus leucogenys (Primates: Hylobatidae)," Mammalian Species 44(1), 1-15, (25 January 2012). https://doi.org/10.1644/890.1
Published: 25 January 2012
JOURNAL ARTICLE
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KEYWORDS
gibbons
Laos
Nomascus concolor
Nomascus gabriellae
Nomascus nasutus
Nomascus siki
Primates
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