-University of Notre Dame-
An egg mass laid by a female wood frog (Lithobates sylvaticus). Every spring, temporary, closed-canopy ponds are filled with wood frogs. The egg jelly is usually clear, but the tannins in the water released by decomposing leaf litter had stained the water, which was taken up by the egg mass.
Collection of wood frog egg masses in Staab Pond. There were over 50 egg masses in this one location.
An American alligator (Alligator mississippiensis) at Lettuce Lake Regional Park in Tampa, FL.