KILPI, M. Responses of Herring Gulls Larus argentatus and Common Gulls L. canus to warm years: early migration and early breeding. Ornis Fennica, [S. l.], v. 69, n. 2, p. 82–87, 1992. Disponível em: https://ornisfennica.journal.fi/article/view/133342. Acesso em: 22 nov. 2024.