PHILADELPHIA (CBS) — Get ready for a biological phenomenon! And a very loud one.
Massive swarms of cicadas are set to return to the East Coast this spring following a 17-year hibernation.READ MORE: Thieves Steal ATM From West Philadelphia Laundromat
They’ll start to appear in May, and chances are you’ll hear them.
Their courting and mating sounds can reach 100 decibels, which is as loud as a lawnmower.
They live up to four weeks, then their offspring go back underground for 17 years.READ MORE: A Behind-The-Scenes Look At Longwood Gardens' $250 Million Expansion Project That Gets Underway Today
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