JONES, P Hope; KINNEAR, P K. Moulting Eiders in Orkney and Shetland. Wildfowl, [S. l.], v. 30, p. 109–113, 1979. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154140. Acesso em: 19 apr. 2026.