SOLHEIM, R. Moult pattern of primaries and secondaries in Eagle Owls Bubo bubo. Ornis Norvegica, [S. l.], v. 34, p. 1–9, 2011. DOI: 10.15845/on.v34i0.123. Disponível em: https://boap.uib.no/index.php/ornis/article/view/123. Acesso em: 29 mar. 2024.