By Will Dunham WASHINGTON, March 13 (Reuters) - Bonobos for years have had the reputation of being the cool hippies of the ...

A new study of chimpanzee and bonobo groups at zoos reveals similar levels of aggression. However, scientists found stark sex-based differences between the species.

Asharq Al Awsat Historically considered a more peaceful species than their chimpanzee cousins, bonobos are actually just as aggressive -- but target their ire most often at males, according to a study ...

Chimpanzees have a reputation for being aggressive, while bonobos are often seen as their peaceful counterparts. This ...

The stereotype of violent chimpanzees and peaceful bonobos may be wrong, according to new research comparing aggression in both apes.

Learn how comparing aggression in chimpanzees and bonobos challenges the long-held belief that chimpanzees are the more violent of our closest ape relatives.

Human encroachment has not turned chimpanzees and bonobos into warmongers bent on violence and infanticide as many people have theorized. The behavior comes naturally, report 30 international ...

Within-group cooperation (i.e., among closely related individuals), is to varying degrees observed among a significant number of animal species. However, peaceful encounters and cooperation between ...

Zeke also hangs upside down from man-made vines, grasping them with his feet. And that’s typical, too — for a bonobo. Findley, a zoology major at Miami, is spending her summer studying bonobo behavior ...

Among our two closest phylogenetic relatives, chimpanzees remain by far the more thoroughly-studied and widely-recognized species, known for their high levels of cooperation especially among males, ...

A new study of bonobos has observed a previously unrecognized trait among these apes: They are kind to strangers. The reputation of bonobos as friendly and warmhearted creatures (plus enthusiastic ...