BENGTSSON, Kenneth; BLOMQUIST, Lennarth. Origin, migration, and site fidelity of Black-headed Gulls Larus ridibundus ringed at Malmö. Ornis Svecica, Lund, Sweden, v. 11, n. 1–2, p. 59–77, 2001. DOI: 10.34080/os.v11.22860. Disponível em: https://journals.lub.lu.se/os/article/view/22860. Acesso em: 3 may. 2024.