SOLHEIM, R. Wing feather moult and age determination of Snowy Owls Bubo scandiacus. Ornis Norvegica, [S. l.], v. 35, p. 48–67, 2012. DOI: 10.15845/on.v35i0.289. Disponível em: https://boap.uib.no/index.php/ornis/article/view/289. Acesso em: 19 apr. 2024.