Carstens, Kate F., Johann C. Carstens, and Kirsten Wimberger. “Interactions Between Birds of Prey and the Cape Parrot in the Eastern Cape”. Biodiversity Observations 8 (September 11, 2017): 45: 1 – 5. Accessed July 5, 2022. https://journals.uct.ac.za/index.php/BO/article/view/468.