Duck Commander Jase Robertson Pro Series Duck CallDuck Commander Jase Robertson Pro Series Duck Call Sounds exactly like a duck. For over 40 years of building duck calls, our goal has been really simple: sound exactly like a duck. We keep manipulating parts of the calls to make the sound more "duck". From the culmination of years of practicing our craft, we bring you the Jase Robertson PRO Series Duck Call. Wide range of vocalization. Simply put, this call sounds exactly like a mallard hen. The