Chantek, a 39-year-old male orangutan known around the world for his ability to use American Sign Language to communicate, has died at Zoo Atlanta. The zoo announced it was treating Chantek for ...

New research from The University of Warwick has revealed that orangutans, the most arboreal of the great apes, produce consonant-like calls more often and of greater variety than their African ...

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 ...

Editor's Note: The original version of this story misstated the journal that Lameira's team's findings were published in; they were published in Nature Ecology ...

Orangutan calls have a complex structure that was thought to be unique to human language. Short sequences are nested inside longer sequences, much like the way we assemble long sentences from shorter ...

Wendy Erb has spent countless hours studying orangutans in Borneo's tropical peatland forests in order to learn how male Bornean orangutans (Pongo pygmaeus wurmbii) communicate. While doing so, she ...

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. Those ...