. . . . . . . . . "Aythya marila" . . "Aythya americana" . . "Jeff Skrentny. 2018. Aythya marila associated species with names lookup Aythya americana. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/9446331> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .