JUKEMA J (1979) Short announcements: Eider Somateria mollissima as victim of Mussel Mytilus edulis. LIMOSA 52 (1): 73-74.

On the first of January 1978 in the Wadden Sea near Harlingen, Friesland, a first year female Eider Somateria mollissima has been observed with a Mussel Mytilus edu/is tightened around the under-bill. The bird was already terribly pulled down and probably would starve within a few days Common Eider Somateria mollissima

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