Affiliation: | 1. Long Point Waterfowl and Wetlands Research Program/Bird Studies Canada, Port Rowan, ON, N0E 1M0 Canada;2. School of Renewable Natural Resources, Louisiana State University, Baton Rouge, LA, 70803 USA;3. Environment and Climate Change Canada, Canadian Wildlife Service, Ottawa, ON, K1A 0H3 Canada;4. Delta Waterfowl Foundation, Bismarck, ND, 58504 USA;5. U.S Geological Survey, Patuxent Wildlife Research Center, Laurel, MD, 20708 USA |