AMES, Iowa – Iowa State University Anthropology Professor Jill Pruetz long suspected that man-made changes influenced the aggressive behavior researchers have observed among chimpanzees. However, her ...

Add Yahoo as a preferred source to see more of our stories on Google. A recent study on chimpanzees in Taï National Park in Côte d'Ivoire, West Africa, revealed that chimpanzees are losing traditions ...

Jane Goodall, a renowned researcher who documented the behavior and social lives of chimpanzees and later became a leader of the animal conservation movement, died Wednesday. Goodall was 91. She died ...

SANTA BARBARA, Calif.—Jane Goodall was an animal advocate most famous for her work with chimpanzees. She didn’t just talk to chimps. She understood them better than most, revolutionizing the way ...

AMES, Iowa – Shocking is one word Jill Pruetz uses to describe the behavior she witnessed after a chimp was killed at her research site in Fongoli, Senegal. The fact that chimps would kill a member of ...

Jane Goodall always remembered the first time a wild chimpanzee took a banana from her outstretched hand. In that moment, she would often say, the chimp—a grizzled male she had dubbed David ...

A young chimp hangs from a branch with its mother's hand nearby at the Ngogo Chimpanzee Project at Kibale National Park in Uganda. ANN ARBOR—If you've ever spent time with a toddler, you might be ...

At some point in your life you might have seen animals groom each other. This is something very common in chimpanzees, for example. Thanks to decades of work by primatologist Dr. Richard Wrangham and ...

Chimpanzees are the closest relatives to humans sharing about 98% of their DNA composition with humans. Kibale National Park contains one of the loveliest and most varied tracts of tropical forest in ...

Chimpanzee nest-building behavior may reveal an ability to respond to weather cues before nighttime conditions fully arrive.