Science News writes “A male red howler monkey proves his vocal stamina. In howler monkeys, expanded vocal tracts make for louder males with smaller testes, researchers find.”

Science News writes “A male red howler monkey proves his vocal stamina. In howler monkeys, expanded vocal tracts make for louder males with smaller testes, researchers find.”
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Steven B
So, next time you’re at a party and one of those guys comes in with a booming voice that can be heard above everyone else…guess what that means? 😉
Stephen W
Yup.Hey everybody tiny’s here.
Janetta V
My bowels sound like that!!!
Renee S
Sounds like a combo of toads & water going down a drain! ????
Phil Y
Holy crap he got so into that…that was impressive and the in out technique wowzers imagine that sound produced from something weighing 800 900 pounds.