Fincham, J. E., R. Visagie, L. G. Underhill, M. Brooks, and M. B. Markus. “The Impacts of the Pied Crow Corvus Albus on Other Species Need to Be Determined”. Biodiversity Observations, Nov. 2015, pp. 232-9, https://journals.uct.ac.za/index.php/BO/article/view/291.