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 ...

Male Bornean Orangutan - Big Cheeks. Image by Eric Kilby from Somerville, MA, USA, CC BY-SA 2.0, Male Bornean Orangutan - Big Cheeks. Image by Eric Kilby from Somerville, MA, USA, CC BY-SA 2.0, ...

In groundbreaking work from The University of Warwick, researchers have found that wild orangutans vocalise with a layered complexity previously thought to be unique to human communication, suggesting ...

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 ...

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.