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Chimpanzees exchange meat for sex
| quote: | Chimpanzees enter into "deals" whereby they exchange meat for sex, according to researchers.
Male chimps that are willing to share the proceeds of their hunting expeditions mate twice as often as their more selfish counterparts.
This is a long-term exchange, so males continue to share their catch with females when they are not fertile, copulating with them when they are.
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"What's amazing is that if a male shares with a particular female, he doubles the number of times he copulates with her, which is likely to increase the probability of fertilising that female."
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>BBC News<
Not 'that' amazing.
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