Synchronous fireflies, known as Photuris frontalis, blink in the woods near the Congaree River on Wednesday, May 15, 2024, in Columbia, S.C. Congaree National Park holds an annual event for ...

Synchronous fireflies. Congaree National Park has for years hosted the fireflies event, in which visitors can witness an amazing display of thousands of the insects flash in synchronization in ...

Synchronous fireflies, known as Photuris frontalis, blink in the woods near the Congaree River on Wednesday, May 15, 2024, in Columbia, S.C. Congaree National Park holds an annual event for ...

Every year, Congaree National Park hosts synchronous fireflies for approximately two weeks between mid-May and mid-June. Skip to content NOWCAST WYFF News 4 at 5 ...

A crowd gathers along the Fireflies Trail inside Congaree National Park to watch synchronous fireflies Sunday May 20, 2018, in Columbia, SC. The rare phenomenon of synchronization lasts been two ...

Fireflies at Congaree National Park flash in unision in this file photo from 2016. Only a few lucky winners get a chance to see the natural light show each year, which is currently protected by ...

Now that tripods are banned on the firefly trails at Congaree National Park, it’s nearly impossible to capture these twinkling beauties through the lens of a camera.

For a few weeks in late spring, thousands of fireflies emerge at the Congaree National Park in South Carolina to blink in synchrony. Scientists are trying to learn their secrets and to protect them.