New Species of Orangutan Is Rarest Great Ape on Earth
Published 13 Nov 2017, 15:16 GMT, Updated 14 Nov 2017, 06:55 GMT
An adult male Tapanuli orangutan in the Batang Toru Forest.
Batang Toru apes are more closely related to their counterparts from Borneo than to other orangutans living on the same island.
Tapanuli orangutans live only in a single, isolated forest in the mountains of Sumatra.
A young female Tapanuli orangutan swings through the trees.
The newfound orangutan species is endangered—like its Sumatran and Bornean orangutan kin.
An adult male naps in a tree. There are about 800 Tapanuli orangutans on Earth, split into three fragmented populations.