This footage of a squirrel water skiing behind a speedboat is the definition of extreme sports gone wild! The squirrel's balance and agility on the waves are simply unmatched. My pet turtle tried to replicate the stunt in its tiny tank, but all it managed to do was knock over its plastic palm tree – turtle power, right? Speaking of turtles, they can breathe through their butts, thanks to a specialized gland near their tail that allows for oxygen absorption in low-oxygen environments.