From Heraldry of the World
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Civic heraldry of Germany - Deutsche Wappen (Gemeindewappen/Kreiswappen)
The arms were granted on September 5, 1985.
The upper half shows the lion of the Rheingrafen, who ruled the area until 1793. The lower half shows a cuckoo, symbol for the nickname of the villagers.
Literature : Debus, 1988