Borneo’s orangutan population plunged by 100,000 since 1999, new study finds

The most comprehensive study of Borneo’s orangutans estimates their numbers have plummeted by more than 100,000 since 1999, as the palm oil and paper industries shrink their jungle habitat and fatal conflicts with people increase.
The finding, which is to be published in the journal Current Biology, is in line with the International Union for Conservation of Nature’s 2016 designation of Borneo’s orangutans as critically endangered.
Researchers from the Max Planck Institute for…