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What Is a Gibbon?

A gibbon is a small, arboreal ape known for its melodious calls and incredible agility in the treetops. Native to the forests of Asia, these primates are social creatures with a fascinating family structure. With their long arms, they swing gracefully through the canopy, a mesmerizing dance of nature. Discover how gibbons live and why their survival is crucial to our planet.
Angie Pollock
Angie Pollock

A gibbon is a small primate native to expansive areas of Southeast Asia. Inhabiting tropical forests, various types of species are included in the gibbon family — Hylobatidae. The family was once separated into four separate groups, but is now part of four recognized genera that include Hylobates, Hoolock, Nomascus , and Symphalangus.

Due to their unique characteristics including the lack of a tail, the gibbon is part of the ape group known as lesser apes. Unlike the great apes, gibbons have more monkey-like features. Lesser apes have dense hair growth and are smaller in size than great apes such as gorillas. Their small size make gibbons the smallest group of the ape family.

A gibbon is a small primate native to expansive tropical areas of Southeast Asia.
A gibbon is a small primate native to expansive tropical areas of Southeast Asia.

The long arms, legs, hands, and feet of the gibbon contributes to its agile acrobatics in the overhead treetops. Their small stature, and ball and socket joints, afford gibbons masterful air locomotion, known as brachiation. Bounding from one branch to the other, gibbons can swing spans exceeding 40 feet (12 m). The gibbon’s size and agility also give it the ability to maneuver the forest’s canopies at speeds reaching 35 miles per hour (56 km/h).

Gibbons will vary in weight and height depending on the species. Small species, such as the white-handed gibbon, average 7 to 15 pounds (3 to 7 kg). The largest species, the siamang, can reach weights in excess of 20 pounds (9 kg). Gibbons average 15 to 25 inches (6 to 10 cm) in height with the exclusion of the siamang, which can exceed 30 inches (12 cm).

A majority of the gibbon’s diet consists of fruit and vegetation. It is not uncommon, however, for a gibbon to make a meal of small insects, birds, and bird eggs. Its acute ability in the overhead trees allow the gibbon to reach a variety of food sources.

Consisting of an adult male and female, and their young offspring, gibbons live in a territorial group that generally has no more than six or seven members. They are one of the very few primates that form monogamous pairs. Once the juveniles have reached maturity, they too will find a mate and create their own group. These family units will defend their boundaries vocally with amplified songs or theatrics of loud sounds unique to the gibbon.

Common to primates, gibbons are socially active within their groups. They are often seen grooming one another or sleeping together in the trees. Unlike the great apes, gibbons do not form nests for sleeping, but, rather, use branches to sleep either alone or with group members. In the wild, gibbons can reach 30 years in age, and can live roughly 10 years longer in captivity.

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    • A gibbon is a small primate native to expansive tropical areas of Southeast Asia.
      By: wildnerdpix
      A gibbon is a small primate native to expansive tropical areas of Southeast Asia.