Size does matter: Group size and mating preferences drive deeper male voices

PHYSorg
Jul 13, 2023, 7:13 am150 ptsTrending
Deeper male voices in primates, including humans, offer more than sex appeal—they may have evolved as another way for males to drive off competitors in large groups that favored polygyny, or mating systems where a male has multiple mates, according to researchers. The research is the most comprehensive…

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