LARSSON, Rolf. Occasional influx of lean and aggressive Great Tits Parus major during autumn migration at Utklippan. Ornis Svecica, Lund, Sweden, v. 25, n. 3–4, p. 109–118, 2015. DOI: 10.34080/os.v25.22539. Disponível em: https://journals.lub.lu.se/os/article/view/22539. Acesso em: 18 jul. 2024.