We took Harrison to a park near my parent's house. Mind you this park is a fresh water, man made pond the size of a football field.Harrison spied the lake and, like a magnet, was drawn to explore the water's edge. He got as close as one possibly could without falling in.With careful tracking and observation he declared the muddy pond to be teaming with crocodiles...but after further consideration he decided there were "no crocodiles in here".Then, as we were about to leave the lake, Harrison spied a large dorsal fin and started shouting, "Shark!!!!" We all encouraged his discovery with the appropriate shrieks and screams as we ran from the floating log. It's amazing what one can find in a freshwater, man-made pond in November.