My son and I found this guy partially submerged in the marsh area of the center. When we first walked up to the water we heard a splash and something dove into the water. We weren’t sure what it was, but a little while later we see this head peaking out of the water. I think it is a bullfrog (not that familiar with frogs). In any case, he made some interesting images and I added a few to my FWNC wildlife gallery. link