. . . . . . . . . "Anser rossii" . . "Branta canadensis" . . "Marie Cerda. 2014. Anser rossii other species in group Branta canadensis. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/561659> 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." .