KARLSSON, Thomas; LERNER, Henrik. Flock size and length of the arrival period of Starlings Sturnus vulgaris at a roost. Ornis Svecica, Lund, Sweden, v. 9, n. 4, p. 175–178, 1999. DOI: 10.34080/os.v9.22896. Disponível em: https://journals.lub.lu.se/os/article/view/22896. Acesso em: 5 may. 2024.