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Dr. Jacob C. Dunn and his team of researchers published the results of their study titled "Evolutionary Trade-Off between Vocal Tract and Testes Dimensions in Howler Monkeys" where they found that, when it comes to reproduction, these primates can only have either a bigger and deeper voice for mating calls or bigger balls for a more abundant supply of sperm. Another thing: the males with smaller balls tend to stay silent until they sense a female and go all out with their ruckus. Does that sound familiar to anyone?
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Seems like a reach to me, but i immediately thought of that vid of the chick walking around in NY
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