Take a walk in the woods in late March and early April, and you'll notice that melting snow and spring rain have left some pretty big puddles on the forest floor. These puddles are called "vernal pools." And from the time they form, to the time they dry up, they're the scene of some pretty wild action . . as you'll hear on this Pennsylvania Radio Expedition.
Stories: Vernal Ponds
December 4, 2005