Firefly Synchronicity

At Congaree National Park

Evan Smith
May 20, 2019 - 4:17 pm

NPS

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Well, it’s that time of year again, when the synchronized fireflies overtake Congaree National Park.

Beginning about a week ago, volunteers at the park saw what they called “intermittent fireflies activity” along the Fireflies Trail.

Normally, fireflies light at different times, randomly you might say, giving off that familiar twinkling in the dark.

But for about two weeks in the middle of May, the fireflies all light up in unison. A part of their mating ritual, the natural phenomena – which appears to bathe the night in a sudden brightness, off and on again, over and over – happens only at a few places around the country.

Of the 2,000 known species of fireflies, in fact, only 3 perform this mating ritual.

You still have a chance to check out the phenomena yourself, but hurry up – in a week or so the fireflies will begin to descend back into their own random blinking once more.

The best time to check out the fireflies is between 9-11 pm.

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