Gibbons not only include the most endangered apes but also the most endangered primate species of the world. The main reasons for this are habitat loss and degradation, hunting and illegal trade. ... In addition, they are hunted for food and for use in local medicine.

How many gibbons are left in the world 2020?

The gibbon is the most critically endangered primate on Earth, with only about 30 left.

When did gibbons become endangered?

Once numbering around 2,000 individuals in the 1950s, the Hainan gibbon underwent a severe decline in the late twentieth century due to habitat loss and hunting, and is now one of the most threatened species in the world, with only an estimated 28 individuals remaining.