21 perfect duck calls for Australian duck hunting season. Included species: Grey teal Pacific black duck Mountain duck Wood duck Mallard Duck Features: * 21 Perfect duck calls * Weekly moon phase data and animal activity rating based on Solunar theory. * Set loop interval for calls. * Powerful Mixer: You can play a single call and you can also mix the calls with individual volume control to simulate the real world. If you intend to use the calls for hunting, check first your local game laws for legal use.