It’s not unusual for chimpanzees to fight. Chimpanzee society is naturally aggressive and even violent. However, visitors at ...

Staff say 18-year-old chimpanzee Sile has been accepted into the zoo's troupe with an "unheard of" warm welcome in just days.

On Wednesday, officials with the Oklahoma City Zoo announced the death Mwami, a 36-year-old chimpanzee. >> Watch the video ...

World Bonobo Day highlights the urgent need to protect bonobos from habitat destruction, poaching, and deforestation.

"This finding provides evidence that human illegal activities have altered the cultural behavior of chimpanzees," says Roman Wittig of the Institute of Cognitive Sciences and the Max Planck ...

For chimpanzees, the need to pee appears to be contagious. A study published January 20 in the journal Current Biology finds that when one chimpanzee urinates, the others in a group are more likely to ...

While observing a group of captive chimpanzees (Pan troglodytes), something caught the attention of Ena Onishi, who also studies animal behavior at Kyoto University. “I noticed a tendency for ...

Our research suggests that this phenomenon may have deep evolutionary roots.” Onishi, et al decided to study the phenomenon after noticing that many chimps in the sanctuary seemed to synchronize when ...

New research seems to suggest bonobos could possess some form of theory of mind. But there's a bit more to it than that.