Chiara De Gregorio does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Orangutans, humans’ close evolutionary relatives, have developed remarkable strategies to survive in the unpredictable rainforests of Borneo. A Rutgers-led study reveals that these apes balance ...

When a wild orangutan leaves its mother after spending many years by her side, it has a mental catalog of almost 250 edible plants and animals, and the knowledge of how to acquire and process them. A ...

Researchers have confirmed that the critically endangered Tapanuli orangutan, previously thought to live only in Sumatra’s Batang Toru forest, also inhabits a peat swamp forest 32 kilometers (20 miles ...

In the dense forests of Indonesia, you can hear strange and haunting sounds. At first, these calls may seem like a random collection of noises – but my rhythmic analyses reveal a different story.