Wild chimpanzees exchange meat for sex
Wednesday, April 8, 2009 - 07:21
in Biology & Nature
Wild female chimpanzees copulate more frequently with males who share meat with them over long periods of time, according to a study led by researchers from the Max Planck Institute for Evolutionary Anthropology in Germany, published in the open-access, peer-reviewed journal PLoS ONE 8 April...
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