Monkeys in Indonesia use rocks as ‘sex toys’


Monkeys in Indonesia get their rocks off with real rocks, supporting the so-called sex toy hypothesis, a new study finds.

Researchers studying long-tailed macaques (Macaca fascicularis) found that the monkeys repeatedly tapped and rubbed rocks on their genitals to please themselves, according to the study first reported by new scientist (opens in new tab). This finding provides further evidence for the sex toy hypothesis, proposed by the same researchers in a previous study, which presents the activity as a form of tool-assisted masturbation.

The Valley Voice
The Valley Voice
Christopher Brito is a social media producer and trending writer for The Valley Voice, with a focus on sports and stories related to race and culture.


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