Mini, Anne E., Erin R. Harrington, Emily Rucker, Bruce D. Dugger, and Thomas B. Mowbray. 2014. “American Wigeon (Anas americana).” The Birds of North America, edited by Paul G. Rodewald. Ithaca: Cornell Lab of Ornithology. Retrieved from the Birds of North America: https://birdsna.org/Species-Account/bna/species/amewig doi: 10.2173/bna.401