Haydels DC14 Diver Duck Single Reed Duck Call - The Diver Duck Call creates the "Brrrrr" sound that Redheads, Bluebills, Scaup, Canvasbacks, etc. use to communicate. While traditional Mallard Calls have often times been used in a crutch this call has been specifically designed for the purpose of dedicated diver hunters. It features a removable plug in the exhaust barrel for added volume.Specifications and Features:Type: Duck CallSpecies: DuckSound Species: DucksElectronic: NoBattery: NoneColor: BlackStyle: Portable