Brachiation is possible because of its mobile wrist joints, full rotation of the upper arm, and the ability to lock elbows in suspension.

The offspring is nursed for about 18 months and lives with the family group until it is fully mature at about eight to ten years old.

[4] Habitat destruction on densely populated Java continues to reduce the natural range of the species.

[4] There are less than 2,000 silvery gibbons in the wild on eight sites that are considered to be genetically viable for the continuation of the species.

Females sing to declare their territory several times a day, and if strangers are spotted, the male screams in an attempt to scare them away.

In contrast, the male vocal bouts primarily occurred before 0500 hr was created in the style of a chorus, with a minimum of three participants.