. . . . . . . . . "Buphagus erythrorhynchus" . . "Syncerus caffer" . . "Lars. 2012. Buphagus erythrorhynchus interaction->riding on Syncerus caffer. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/4743022> 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." .