The Louder the Monkey, the Smaller Its Balls
Howler monkeys are the loudest land animals on Earth, capable of bellowing atvolumes of 140 decibels, which is on the level of gunshots or firecrackers. Not surprisingly, male howlers frequently use this power to advertise their sexual fitness, catcalling females with their ear-splitting roars. But in a beautiful twist of expectations, scientists have now found…
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