Northern white-cheeked crested gibbon
Nomascus leucogenys

Adult gibbons

Adult male, Kunming Zoo, China, 20 Nov. 2007.	Adult male "Kaszat", Szeged Zoo, Hungary, 7 June 2003.
Adult male "Otti", Hannover Zoo, Germany, 19 April 1999.	Adult male, Paris, Ménagerie du Jardin des Plantes, France, 18 May 1988. Notice the particularly high crest and the large white cheek patches of this subspecies.
Adult female "Connie", Mulhouse Zoo, France, 30 April 2005.	Adult female, Twycross Zoo, England, 6 Oct. 1988.
Adult female, Twycross Zoo, England, 3 Oct. 1988. Females of this species usually have a whitish face ring.	Adult female, Bronx Zoo, New York, U.S.A., 18 Aug. 1988.	Adult female "Modja", Hannover Zoo, Germany, 11 July 1987. The bright orange fur colouration may be paler in some individuals and undergo periodical changes in others (see Geissmann, 1993).

Immature gibbons

Adult female "Connie" and male infant, Mulhouse Zoo, France, 30 April 2005.	Juvenile male "Tao" (2 years 9 months old), Mulhouse Zoo, France, 30 April 2005.	Subadult male "Paco" (5 years 5 months old), Mulhouse Zoo, France, 30 April 2005. Immature males of this species may occasionally exhibit yellowish cheeks.