1. Association of Fish and Wildlife Agencies. 2015. State contributions to Canadian NAWMP/NAWCA projects. Retrieved 29 November, 2017 from
http://www.fishwildlife.org/files/StateContributions_Report_2015_final-duc2.pdf
.
2. Batt, B.D.J., M.G. Anderson, C.D. Anderson, and F.D. Caswell. 1989. The use of prairie potholes by North American ducks. In Northern prairie wetlands, ed. A. van der Valk, 204–227. Ames, IA: Iowa State University Press.
3. Bauer, S., and B.J. Hoye. 2014. Migratory animals couple biodiversity and ecosystem functioning worldwide. Science 344: 1242552.
4. Bellrose, F.C. 1979. Species distribution, habitats, and characteristics of breeding dabbling ducks in North America. In Waterfowl and wetlands: An integrated review, ed. T.A. Bookhout, 1–15. La Crosse, WI: La Crosse Printing Company.
5. Bellrose, F.C. 1980. Ducks, geese and swans of North America. Harrisburg, PA: Stackpole Books.