HARIO, M.; ÖST, M. Does heavy investment in foraging implicate low food acquisition for female Common Eiders Somateria mollissima?. Ornis Fennica, [S. l.], v. 79, n. 3, p. 111–120, 2002. Disponível em: https://ornisfennica.journal.fi/article/view/133578. Acesso em: 19 may. 2024.