Reference citation: Nehls, G. 1989. Occurrence and food consumption of the common eider, Somateria mollissima, in the Wadden Sea of Schleswig-Holstein. Helgolander Meeresunters. 43:385-393.
Source citation: Palomares, M.L.D. and D. Pauly. Editors. 2018. SeaLifeBase. World Wide Web electronic publication. www.sealifebase.org, version (10/2018).
