Primos Hunting Power Drake & Duck Whistle Game Calls. This Game Call by Primos Hunting reproduces the sounds of five species of ducks: gadwall widgeon pintail greenwing teal and mallard drake. The Primos Hunting Power Drake & Duck Whistle w/ Lanyard Loop includes lanyard loop and its larger design allows hunters with mustaches to use this call with ease. The Primos Hunting Power Drake & Duck Whistler makes for a great duck hunt companion. Specifications for Primos Hunting Power Drake & Duck Whistle Game Call: Manufacturer: Primos Hunting Species: Duck Features of Primos Hunting Power Drake & Duck Whistle Game Call Unique design for increased volume Reproduces the sounds of gadwalls widgeons pintails greenwing teals and mallard drakes Package Contents: Primos Hunting Power Drake & Duck Whistle Game Call lanyard loop Primos Hunting 839: Power Drake & Duck Whistle Game Calls