Monkeys in Indonesia engage in tool-assisted masturbation by t | Google Facts™ [ ️@googlefactss🌎]

Monkeys in Indonesia engage in tool-assisted masturbation by tapping and rubbing stones against their genitals. Researchers in the study of 173 long-tailed macaques observed and hypothesized the stones were used as "sex toys" @googlefactss #funfact #animals
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