. . . . . . . . . "Podilymbus podiceps" . . "Astacoidea" . . "edward_rooks. 2014. Podilymbus podiceps eating Astacoidea. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/521253> 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." .