Rare Synchronous Fireflies Discovered On Grandfather Mountain

GRANDFATHER MOUNTAIN, N.C. — A type of firefly that can light up the sky by flashing in unison has been found at Grandfather Mountain in North Carolina.
Dr. Clyde Sorenson, an entomologist from NC State University, said he discovered the flashing fireflies after staying in the state park’s guest cottage following a workshop on the mountain.
“As it got dark, the numbers steadily went up, and between 10 and 10:30 p.m., there were several hundred all around the guest cottage and W