Northern white-cheeked gibbon
| Northern white-cheeked gibbon | |
|---|---|
| Adult male | |
| Adult female | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Mammalia | 
| Order: | Primates | 
| Suborder: | Haplorhini | 
| Infraorder: | Simiiformes | 
| Family: | Hylobatidae | 
| Genus: | Nomascus | 
| Species: | N. leucogenys | 
| Binomial name | |
| Nomascus leucogenys (Ogilby, 1840) | |
| Northern white-cheeked gibbon range (brown — extant, orange — probably extinct) | |
| Synonyms | |
| Hylobates leucogenys (Ogilby, 1840) | |
The northern white-cheeked gibbon (Nomascus leucogenys) is a Critically Endangered species of gibbon native to South East Asia.
It is closely related to the southern white-cheeked gibbon (Nomascus siki), with which it was previously considered conspecific. The females of the two species are virtually indistinguishable in appearance.
The genome of N. leucogenys was sequenced and published in 2011.