The snapping turtles have an incredibly wide throat, and can gulp huge pieces of food ( almost as big as their own mouth ) at once. The diet of wild young snappers contains mainly of snails, worms, leeches, insects, larvae, small fish and water plants. Adult snappers eat larger prey as frogs, fish, newts, tadpoles, toads, crayfish, and even snakes, small turtles, small mammals and young birds happen to be passing by, such as waterfowl for example.