Duck Calls is very simple and easy to use to call ducks. Use an external speaker for best sound quality. If you have never used duck calls before, it is recommended that you do some research on calling ducks before trying it out. Be sure to rate this app. Thanks for downloading! ** NEW FEATURE ** Repeat Calls - You can now set the calls to repeat. Favorite Calls - You can now set calls as your favorites. Ad free version available! https://play.google.com/store/apps/details?id=com.johneyboy.duckcallsadfree Current Calls: Quack Comeback Feeding Greeting Hail Lonesome Hen Pleading Hen Mallard Whistle