Javan Gibbon

Javan Gibbons Lionel the Javan Gibbon

Animal Profile

Scientific Name Hylobates moloch
Class Mammal
Length 1.4 to 2 feet (45-64 cm)
Weight 11-20 pounds (5-9 kg)
Life span 35 years in wild; up to 50 years in captivity
Gestation 7 months
Number of young 1 at a time
Age of maturity 6 to 7 years
Conservation status Endangered

Swingin in the rain
Javan gibbons live in the rain forest regions of Java, which is an island in Indonesia. At the Fort Wayne Children’s Zoo, you’ll find the Javan Gibbon in the Indonesia Rainforest. Makes sense, huh?

What helps them get around?
Like all gibbons, Javan gibbons have very long forelimbs, long fingers and shorter thumbs which make them great brachiators. That means they swing between branches in trees.

They’re so fluffy!!!
Javan Gibbons have a fluffy appearance because of their very dense and long silvery-grey fur.

It’s a family thing
Family groups are made up of a male and female and up to three juvenile offspring.

Controlling their turf
Like other gibbons, their territory is maintained by patrols, physical conflict and loud calling. Often, the male and female pair will sing together, creating a sort of musical duet in the forest.

Note: The Fort Wayne Children’s Zoo is one of only two zoos in North America to exhibit this rare species.  The other is the Greensboro Science Center in North Carolina.

Gibbon Diet

  • Fruits
  • Some leaves
  • Nectar
  • Grubs