WALLER, L. J.; BOERSMA, P. D.; LEIDEN, T.; UNDERHILL, L. G. Close escape: Cape Cormorant entangled by sack. Biodiversity Observations, [S. l.], p. 195–200, 2012. Disponível em: https://journals.uct.ac.za/index.php/BO/article/view/159. Acesso em: 4 jul. 2022.