BENGTSSON, Daniel; JONZÉN, Niclas. Autumn migration of Montagu’s Harrier Circus pygargus and Marsh Harrier C. aeruginosus at the southern tip of Öland. Ornis Svecica, Lund, Sweden, v. 11, n. 1–2, p. 1–6, 2001. DOI: 10.34080/os.v11.22857. Disponível em: https://journals.lub.lu.se/os/article/view/22857. Acesso em: 19 apr. 2024.