Federal duck stamps, required for all waterfowl hunters age 16 and older, are available through the Minnesota DNR electronic licensing system, in person or online and cost $30 per stamp. ADVERTISEMENTWaterfowl hunters in Minnesota also must possess a small game license, a $7.50 state waterfowl stamp and federal Harvest Information Program (HIP) certification. The state waterfowl stamp requirement is for residents age 18 to 64 and nonresidents age 16 and older. Contributed / Minnesota DNRNorth Dakota nuggetsNorth Dakota’s waterfowl season opens for residents Sept. 27, while nonresidents may begin hunting waterfowl Oct. 4. New this year, the Game and Fish Department is requiring all waterfowl hunters, regardless of age, to purchase a $5 electronic state waterfowl stamp.