Gator Update (Mystery Solved Edition)

Mystery of Alligator Movement Solved | LiveScience: "Instead of swishing fins, feet or flippers, alligators surprisingly move their lungs around inside their body to dive, surface and roll in water.

This newly discovered strategy may be one that many animals have been employing for millennia to maneuver and avoid creating ripples in the water — helping them sneak toward prey or away from predators.

Up until now, it was a mystery as to how gators 'manage to maneuver so gracefully without the fins and flippers used by fish, seals and other adept swimmers,' said researcher C.G. Farmer, a biologist at the University of Utah at Salt Lake City."