Fruit trees are less abundant and the gibbons face competition from many other animals for the fruit, says Fan, so it pays for them to get there earlier.

Threat assessment surveys in 12 villages were also conducted to gather critical local knowledge about the gibbons and the threats they face. An adult male Skywalker gibbon hangs from a tree branch.

Researchers compared the teeth and lower face of Yuanmoupithecus to modern-day gibbons. They appeared to be very similar, but some features were more primitive in the fossil species. The size of the ...

By age two, the little gibbon will get his adult coloration — mostly black hair but with white hair around the face. White-cheeked gibbons are dimorphic in fur color and females are a cream color.

India’s endangered Western Hoolock gibbon faces severe threats from a proposed oil exploration in Assam's Hollongapar Gibbon Sanctuary. Additional dangers stem from railway electrification and ...