Chimpanzee co-operation linked to ‘social bond’ hormone

by Rebecca on May 20, 2013

in Animals in the News

By Michelle Warwicker

BBC Nature


Scientists have provided insight into why unrelated chimpanzees co-operate with each other outside a sexual relationship.

The team of international researchers found that increased levels of the hormone oxytocin played an intrinsic role in non-kin co-operation.

Wild chimps that had taken part in a grooming session with a “bond partner” had higher levels of the hormone in their urine than after grooming with a “non-bond partner”, irrespective of whether the individuals were related.

Results of the study are published in the journal Proceedings of the Royal Society B.

Read more at: BBC Nature


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