. . . . . . . . . "Ardea herodias" . . "Podiceps nigricollis" . . "James Maughn. 2015. Ardea herodias associated species with names lookup Podiceps nigricollis. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/2488567> 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." .