. . . . . . . . . "Mareca penelope" . . "Mareca americana" . . "Patricia Teague. 2017. Mareca penelope associated species with names lookup Mareca americana. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/5226070> 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." .