GAGLIO, D.; SHERLEY, R. B. Nasty neighborhood: kleptoparasitism and a egg predation of Swift Terns by Hartlaub’s Gulls. Biodiversity Observations, [S. l.], p. 131–134, 2014. Disponível em: https://journals.uct.ac.za/index.php/BO/article/view/229. Acesso em: 2 jul. 2022.