Why Chimpanzees Have Big Testes, and Mandrills Have Small Ones
Why Chimpanzees Have Big Testes, and Mandrills Have Small Ones
For primates, males’ fancier ornaments are linked with smaller testes, according to a new comparative study.
Why Chimpanzees Have Big Testes, and Mandrills Have Small Ones
Why Chimpanzees Have Big Testes, and Mandrills Have Small Ones

For primates, males’ fancier ornaments are linked with smaller testes, according to a new comparative study.

For primates, males’ fancier ornaments are linked with smaller testes, according to a new comparative study.

mandrill

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