Nobody likes a cheater but in the natural world it's the cheaters that get ahead of the game. Animals use camouflage and false signals to lure prey close so they can move in for the kill. Snapping turtles wiggle a little appendage that looks just like a tasty worm but when a fish tries to have a taste — SLAM! The turtles mouth snaps shut and dinner is served. The cuckoo lays its egg in another bird's nest. When the baby is born, it works at expelling all the other babies, and duping the parents into thinking it is their own. Who's got the best poker face? Find out in this top ten countdown of the Most Extreme Cheaters.