Gay sex – some humans do it, some penguins do it, and as it turns out, many monkeys do it. It’s only natural, according to a study published Monday in the journal Nature Ecology and Evolution.
By watching a group of rhesus macaques over a three-year period in Puerto Rico, scientists from the Imperial College of London found it was more common for the males to engage in sex with the same gender than with the opposite.
The researchers reported 72% of the 236 male monkeys either mounted, or were mounted, by other males, whereas only 46% participated in heterosexual sex.
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