By Carolyn Cowan Gibbons are famed for their graceful agility high in the forest canopy. Swinging effortlessly from branch to branch, their bodies spilling through the trees, the small apes seem to ...

The critically endangered western black-crested gibbon, with a small, fragmented population of about 1,300 individuals, is mainly found in Yunnan, spanning the borders of China, Vietnam and Laos.