. . . . . . . . . "Charadrius semipalmatus" . . "Charadrius vociferus" . . "Paul Tavares. 2017. Charadrius semipalmatus other species in group Charadrius vociferus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/8742482> 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." .