Hainan gibbon
A Hainan gibbon spotted in the Bawangling area of Hainan Tropical Rainforest National Park, south China. The Hainan gibbon is the world’s rarest ape and one of the rarest mammal species on Earth – there are only about 37 of them alive today. In the 1950s their population stood at about 2,000 individuals, but it underwent a severe decline in the late 20th century due to habitat loss and hunting
Photograph: Xinhua/Shutterstock
