Müller's Bornean gibbon

The Müller's Bornean gibbon ("Hylobates muelleri"), also known as the grey gibbon, is a primate in the Hylobatidae family. The Muller's gibbon ranks among the smallest gibbons, weighing . It is about tall. The grey gibbons can live more than 40 years in captivity. They eat primarily fruit, leaves, flowers, and invertebrates.
Range.
Muller's gibbons can only be found in the tropical rainforest of the island Borneo.