Observations of a wild colony of macaques over three years show same-sex sexual behaviour among males is widespread and may be beneficial. The results, published today in Nature Ecology and Evolution , suggest same-sex sexual behaviour (SSB) has evolved and may be a common feature of primate reproduction. Conducted by researchers at Imperial College London, the observations and genetic data form the first long-term study of SSB in males within one species. Their study challenges the beliefs of some that SSB is a rare behaviour in non-human animals or solely the product of unusual environmental conditions.

https://www.miragenews.com/same-sex-sexual-behavior-widespread-and-1043907/

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