Chimpanzees 'Have Sex for Gifts'

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chimps who regularly gave away food were twice as successful with
females as their rivals, researchers found.

They say that
their study adds to proof that the animals can plan over the long-term.

Wild chimpanzees
are thought to be among humans’ closest living relatives.

Previous studies
have shown that male chimps often share their meat with females
who do not go out to hunt.

Although researchers
had long speculated that this generosity was used to increase their
chances of mating, there was little evidence that this was the case.

But new research,
carried out in the Ta National Park in the Ivory Coast, shows that
the males who shared meat were twice as likely to mate as those
who did not.

the rest of the article

13, 2009

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