KARLSSON, Thomas. Predation of the European Marsh Harrier Circus aeruginosus on a colony of Blackheaded Gull Larus ridibundus. Ornis Svecica, Lund, Sweden, v. 14, n. 1–2, p. 21–27, 2004. DOI: 10.34080/os.v14.22796. Disponível em: https://journals.lub.lu.se/os/article/view/22796. Acesso em: 18 jul. 2024.