North Dakota duck survey: Most species up from dry 2021 - Duluth News Tribune
North Dakota Outdoors - November 2022 by ndgnf - Issuu
Trend in the duck population from 1955 to 2010 and the relation between
After the spring snow, waterfowl are out in full force - InForum
North Dakota spring duck numbers, wetland conditions, improve from 2021 - Grand Forks Herald
Plenty of ducks, fewer hunters - Mitchell Republic
North American spring duck count down - Duluth News Tribune
Population survey: Mallards need more than water to rebound — California Waterfowl
2021 North Dakota Survey Indicates Ducks are in Decline - Wildfowl