. . . . . . . . . "Haliaeetus vocifer" . . "Hydrocynus vittatus" . . "i_c_riddell. 1988. Haliaeetus vocifer interaction->preyed on Hydrocynus vittatus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/9976884> 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." .