FINCHAM, J. E.; LAMBRECHTS, N. How many tortoises do a pair of Pied Crows Corvus albus need to kill to feed their chicks?. Biodiversity Observations, [S. l.], p. 135–138, 2014. Disponível em: https://journals.uct.ac.za/index.php/BO/article/view/230. Acesso em: 30 jun. 2022.