VOGRIN, Milan. Density and flock size of the Magpie Pica pica on the agricultural landscape during winter period. Ornis Svecica, Lund, Sweden, v. 8, n. 4, p. 167–170, 1998. DOI: 10.34080/os.v8.22941. Disponível em: https://journals.lub.lu.se/os/article/view/22941. Acesso em: 22 nov. 2024.