. . . . . . . . . "Larus fuscus" . . "Larus argentatus smithsonianus" . . "Jeff Skrentny. 2018. Larus fuscus associated species with names lookup Larus argentatus smithsonianus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/9455863> 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." .