. . . . . . . . . "Pachyptila vittata" . . "Stercorarius antarcticus" . . "Peter de Lange. 2015. Pachyptila vittata associated species with names lookup Stercorarius antarcticus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/1827166> 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." .