However the island has been dedicated to birds ever since 1909 when Verein Jordsand bought it from farmer J. Feddersen for 12,000 German gold mark.
•
In 2008, Norddeutscher Rundfunk broadcast a television documentary Die Vogelmutter. Videotagebuch 2008 - aufgezeichnet von Anna B. The birds' mother. 2008 video log recorded by Anna B..