. . . . . . . . . "Pterodroma nigripennis" . . "Circus approximans" . . "Peter de Lange. 2011. Pterodroma nigripennis interaction->carcass scavenged by Circus approximans. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/1902244> 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." .