ENGELBRECHT, G. D.; ENGELBRECHT, D. Unusual prey of a Southern White-crowned Shrike. Biodiversity Observations, [S. l.], v. 8, p. 38: 1 – 2, 2017. Disponível em: https://journals.uct.ac.za/index.php/BO/article/view/461. Acesso em: 28 may. 2022.