A good many ducks quack, but not all ducks quack. However, a good old-fashioned quack will attract most ducks—mallards and non-mallards alike. But the ability to sound like different types or species ...

These are the various ways French, Chinese, Greek, Hindi, Arabian, Hungarian, Russian, and Thai might imitate the call of a mallard (Anas platyrhynchos), probably the most common duck in the world.