BYRKJEDAL, I. Interspecific aggression by wintering Great Northern Divers Gavia immer. Ornis Norvegica, [S. l.], v. 40, p. 49–54, 2017. DOI: 10.15845/on.v40i0.1379. Disponível em: https://boap.uib.no/index.php/ornis/article/view/1379. Acesso em: 29 mar. 2024.