Gibbon is a small-to-medium arboreal primate of the family Hylobatidae, notable for long arms and agile brachiation. The term also applies to any member of genera such as Hylobates, Nomascus, and Symphalangus. In common usage, gibbon denotes a living ape species found in tropical forests of Asia, valued for its distinctive vocalizations and brachiating locomotion.
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