STRANDBERG, Anne; ASTELING, Roland. Polygyny, hybridisation, double-brooding, a case of site fidelity and time of laying of the Chiffchaff Phylloscopus collybita in southern Sweden. Ornis Svecica, Lund, Sweden, v. 8, n. 3, p. 125–128, 1998. DOI: 10.34080/os.v8.22951. Disponível em: https://journals.lub.lu.se/os/article/view/22951. Acesso em: 3 may. 2024.