The international Vorarlberg Rhine Delta Nature and Bird Reserve, situated where the Rhine flows into Lake Constance, and also the fenlands and reedbeds of the Bodanruck, a range of hills or low mountains lying between the Gnadensee and the uberlinger See, are priceless gems of the Lake Constance landscape. Walter Tilgner has selected some of the most remarkable and interesting among his collection of documentary recordings made largely in springtime over more than 20 years, to compose a marvellous and richly varied work, the "Wetland Wildlife Chorus".
