Agile gibbon
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The agile gibbon (Hylobates agilis), also called the black-handed gibbon, is an Old World primate, and is a part of the gibbon family. It is native to Indonesia, specifically, on the island of Sumatra. The agile gibbon can also be found in Malaysia, and southern Thailand. As appointed by the IUCN Red List, this species is endangered, and mainly due to the destruction of their habitat and pet trade.[1]
Taxonomy
The species is generally thought not to have subspecies, but some experts recognise a mountain form and a lowland form.[2]
- Mountain agile gibbon, Hylobates agilis agilis
- Lowland agile gibbon, Hylobates agilis unko
Description
The agile gibbon has fur varying in color from black to red-brown. The brow is white, and the male can be recognized by his white or light-grey cheeks. Additionally, the male is slightly larger than the female. The agile gibbon weighs from Script error: No such module "convert". with an average of Script error: No such module "convert"., though in captivity it can reach Script error: No such module "convert"..[3][4] It has a head and body length of Script error: No such module "convert"..[4] Like all gibbons, it is tailless.
Behaviour
With its long arms they swing on branches, brachiating at a fast pace. Like all gibbons, it lives in monogamous pairs in a strict enforced territory, which is defended with vigorous visual displays and songs.[3] The diet of the agile gibbon is generally frugivorous but have also been observed eating leaves, flowers, and insects.[3]
Females give birth to a single offspring after seven months' gestation. The young gibbon is weaned at barely 2 years of age. When fully mature, at about 8 years, it leaves its family group in order to look for a mate.[3]
Distribution and habitat
The agile gibbon is found on Sumatra southeast of Lake Toba and the Singkil River, in a small area on the Malay Peninsula, and south Thailand near the Malaysian border.[2] It predominantly lives arboreally in rain forests and rarely comes to the ground.
References
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External links
- Gibbon Conservation Center
- Hylobates agilisTemplate:Category handler[<span title="Script error: No such module "string".">usurped]Script error: No such module "Check for unknown parameters". at The Primata
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- Pages with script errors
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- Hylobates
- Mammals of Malaysia
- Mammals of Thailand
- Fauna of Sumatra
- Primates of Indonesia
- Species that are or were threatened by the pet trade
- Species that are or were threatened by oil palm plantations
- Species that are or were threatened by roadbuilding
- Species that are or were threatened by habitat fragmentation
- Mammals described in 1821
- Taxa named by Frédéric Cuvier