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Quick Facts
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primata
Family: Hylobatidae
Genus: Hylobates
Species: lar

Length: 17 - 25 inches
Weight: 11 - 13.2 lbs
Gestation: 210 days
Offspring: 1
Life Span: 30 years

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White-handed Gibbon

Hylobates lar

Also Called: Common Lar or Malaysian Lar

Swinging with Baby (362 KB)
Baby (343 KB)

White-handed gibbons are small, tailless apes with dense, shaggy fur ranging from black to pale gray. Their face is bare and surrounded by a white fringe. White-handed gibbons have long, slender arms and the upper part of their hands and feet is always white. They possess an opposable thumb that is used for climbing or grooming but not for swinging from branch to branch. White-handed gibbons usually move in this manner and can cover horizontalWhat does horizontal mean? distances of 40 feet and verticalWhat does vertical mean? of 50 feet in one swing. They launch themselves and freefall until they catch another branch. They can move bipedally along branches or on the ground. When doing so, white-handed gibbons raise their arms above their heads for balance. White-handed gibbons are diurnal and usually take a rest break during the hottest part of the day.

White-handed gibbons eat fruits, leaves and some insects. They will also eat birds and can catch them out of the air while swinging.

Gibbons are forest dwellers, usually found in the canopyWhat does canopy mean?. They are found in semideciduous monsoon forests and tropical evergreen forests. Gibbons range from Asia from southern China through eastern Burma, Thailand, Malaysia, and Indonesia.

The primary predatorsWhat does predators mean? of the white-handed gibbon are leopards, clouded leopards, and man.

White-handed gibbons live in small groups that are centered on the mated pair. Young gibbons leave these groups in adolescence. These family groups defend their territories by song and threat display. These songs are usually initiated by the female and are a duet with specific parts. It seems that these songs are innate and not learned. They are specific to the species. At night, white-handed gibbons sleep sitting up in groups in "sleeping" trees. These trees are usually off limits for other groups.

Young white-handed gibbons are born hairless and must rely on their mothers for warmth. They usually have light hair at first and darker hair develops as they grow older. Young gibbons will stay with their parents until they are past adolescence and are chased off by their parents.

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