Chimpanzees appear to execute Rational Evidence-Weighing in complex decision-making tasks. The experiments conducted demonstrated that chimps changed their minds when presented with stronger evidence.

Picture a baby chimp clinging to its mother's back, wide eyes taking in everything around it. Just like human babies, these little ones start life completely helpless, relying on their mom for ...

Add Yahoo as a preferred source to see more of our stories on Google. Val, an adult male chimpanzee, demonstrates the ‘grass-in-ear’ behavior. - Jake Brooker/Chimfunshi Wildlife Orphanage Trust ...

A chimpanzee mother vocalizes while her offspring looks on. Young chimpanzees learn their communication style from their mother and maternal relatives, but show little similarity to the communication ...

Chimpanzees at Uganda’s Ngamba Island Sanctuary can do what was once considered an exclusively human trait: form expectations on the basis of evidence, but revise them on learning new facts.

Famed primatologist Jane Goodall, who died this week, had a special connection to Palm Beach County. Journalist Charles McKenzie recalls shadowing Goodall in the mid-1990s and being deeply impressed ...

Zoopharmacognosy is the process by which animals select and utilise biologically active substances to treat or prevent illness. While many species exhibit basic self-medication, chimpanzees provide ...