A rare look at fireflies that blink in unison, in a forest without tourists - Forests are darker and quieter due to coronavirus, giving a photographer and researchers the chance to document a special moment

Title:
A rare look at fireflies that blink in unison, in a forest without tourists

Author:
Douglas Main

Photographer:
Mac Stone

Published:
National Geographic, 11 June 2020
https://www.nationalgeographic.com/animals/2020/06/synchronous-fireflies-rare-look-congaree-national-park/

From the article:
In Congaree National Park, South Carolina, fireflies have a seemingly magical talent: Lighting up in a synchronized display, pulsating in near-unison in the dark forest during a brief window in late spring.