BERG, Charlotte; LERNER, Henrik. A Second brood in Canada Geese Branta canadensis?. Ornis Svecica, Lund, Sweden, v. 24, n. 1–2, p. 51–55, 2014. DOI: 10.34080/os.v24.22565. Disponível em: https://journals.lub.lu.se/os/article/view/22565. Acesso em: 6 may. 2024.