Have you even witnessed a field of small insects that light up at night? How is it possible for a critter to produce light? Join a naturalist by the fire from 7 to 7:30 p.m. Thursday, August 18 to learn about the unique characteristics of fireflies. Bring along your camp chairs and s’mores for the fire. Meet at Bear Paw Campground (At the grassy area near campsite #70 and the small pump house).