Why do Congarees Fireflies Synchronize? | Congaree National Park Fireflies @NationalParkDiaries
Why do Congarees Fireflies Synchronize? | Congaree National Park Fireflies @NationalParkDiaries
Uploaded May 2021 | Updated September 2026, 2 days ago
Congaree National Park's synchronous fireflies are quite the spectacle. Each spring, they bathe the Congaree swamp in their bioluminescent glow. But why are Congaree's fireflies synchronous? Why do they all flash in unison?

It's a familiar tale of sex, habitat, and... protected places? Congaree National Park's large expanses of protected forest make it an ideal location for this synchronous firefly spectacle, and in this video, you'll find out exactly why it is they synchronize and why they do it at Congaree.
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Why do Congaree's Fireflies Synchronize? | Congaree National Park Fireflies

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