
In 2017, scientists described a new species of great apes – the Tapanuli orangutan. The species, found in the Batang Toru ecosystem of North Sumatara, Indonesia was listed as critically endangered soon after.
The population of the species has declined by 83% over the past 75 years, largely due to hunting and habitat loss. Just 800 Tapanuli orangutans remain – and their last known habitat is threatened by a slew of infrastructure projects.