JGI Chimpanzee Blog

News and anecdotes about chimpanzees

'Big Man' fossil looks more human than chimp

A fossil discovery described in the Proceedings of the National Academy of Sciences is inconsistent with common notions that our direct evolutionary ancestors looked more like chimpanzees or gorillas than humans.

Like the famous "Lucy," this fossil, dubbed "Big Man," is Australopithecus afarensis, a bipedal primate and direct ancestor of humans. Big Man stood about 5'5," had legs that would have been good for running, and had a rib cage similar to our own. He was much taller than Lucy.

Jane on 'The Peak' and chimps in the trees

After a few weeks at Gombe, Jane found a perfect vantage point for watching the chimpanzees. It was a high ridge that gave her a good view in all directions. She could see the chimpanzees moving in the trees, and she could hear if they called.

Proud Daddies? Study shows male Barbary macaques use infants as status symbols

Check out this interesting New York Times article, which describes unusual behavior in Barbary macaque males. They use infants -- their own and others -- to facilitate bonding with other males, toting infants as status symbols. Dr.

"Retired" entertainment chimps: a very real problem

If you're a frequent visitor to our website or belong to our online community*, you may have heard us explain that entertainment chimpanzees generally can't be retired to zoos, because they haven't learned chimpanzee social skills and therefore don't fit in easily with established chimpanzee groups.

New study links chimp aggression to resource gain

A new study shows that male chimpanzee groups move into the territory of other chimpanzee groups to attack them and ultimately take over the territory or mates. But the scientists who conducted the study say they are reluctant to draw comparisons to human warfare. Instead, they are emphasizing the individual cooperation involved.

The Guardian quotes scientist John Mitani, a primate behavioral ecologist at the University of Michigan:

Gombe's biodiversity

What kind of animals would Jane have seen in her first weeks at Gombe? The forest to this day is home to an array of species. Baboons are seemingly ubiquitous, and red colobus monkeys are common as well.

Jane wrote a letter to her family describing some of the animals she encountered:

Scientists study orangutan gestures and body language

Scientists have identified more than 40 gestures used by orangutans to communicate.

To initiate play, for example, the apes used gestures including back rolls and blowing rasberries, while, quite familiarly "nudge and 'shoo' movements meant an ape wanted to be left alone."

Two scientists from the University of St Andrews in Scotland observed 28 orangutans at Twycross Zoo in the UK, Apenheul Primate Park in the Netherlands, and Durrell Wildlife Conservation Trust in Jersey.

Thanks, Nat Geo!

National Geographic posted this video of a chimp baby in Tanzania doing what "kids" do best -- playing!

Hope you enjoy it as much as we did!

 

Armed with a notebook and binoculars

Jane had come to East Africa from England in 1957, to pursue a dream she'd had since she was a child: to study and write about animals in Africa. In Kenya, legendary anthropologist Louis Leakey hired her as his assistant. He was eager to organize field studies of all the great apes in the wild, for they could teach much about human evolution.

Doctors perform ear surgery on zoo chimpanzee

New Zealand surgeons have performed what is thought to be the first ear surgery ever done on a chimpanzee.

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