© Marcel Burkhardt

    Impressum

    Publishing information: Editor of www.vogelwarte.ch

    Swiss Ornithological Institute
    Seerose 1
    CH-6204 Sempach

    Tel. 041 462 97 00
    Fax 041 462 97 10
    Email

    Donations: PC 60–2316–1

    CHE-107.274.591 VAT

    Webmaster

    Philip Büttiker

    Editors

    Matthias Kestenholz, Gilberto Pasinelli, Michael Schaad, Heidi Brun

    Web-Design

    3w-publishing ag, Langenthal

    Liability

    Despite careful checking we assume no liability for the content of external links. The contents of linked webpages are the sole responsibility of their operators.

    Copyright of Photographs, Texts and Recordings

    „Swiss Ornithological Institute“ is a protected and registered name.

    The use of the Swiss Ornithological Institute’s logo requires the express consent of the Swiss Ornithological Institute in Sempach.

    The use of images, photographs, texts and recordings of any kind is not permitted without the written consent of the Swiss Ornithological Institute and is only permitted with the citation of copyright.

    The authors maintain all rights of the used pictures. The Swiss Ornithological Institute cannot confer any rights for further use.

    The authors maintain the rights of the sound documents. The Swiss Ornithological Institute cannot confer any rights for further use. The sound documents were issued by E. Arendt/H. Schweigert (4), P. Becker (1), H.-H. Bergmann (296), P. Feindt (1), M. Förschler (1), K.-H. Frommolt/G.Tembrock (5), K.-H. Gaberding (2), D. Helbig-Liebers (1), M. Koch (10), W. Krey (25), F. Nurnberger/D. Siebold (1), M. Schubert (18), A. Schulze, AMPLE-Verlag (1).