SOLHEIM, Roar. Moult pattern of primaries and secondaries during first and second flight feather molt in Great Grey Owls Strix nebulosa. Ornis Svecica, Lund, Sweden, v. 21, n. 1, p. 11–19, 2011. DOI: 10.34080/os.v21.22610. Disponível em: https://journals.lub.lu.se/os/article/view/22610. Acesso em: 30 apr. 2024.