• to the bird of the day

      Great Reed Warbler

      In dense flooded reedbeds, the male Great Reed Warbler marks its territory by a ...
    • Participate

      The State of Birds in Switzerland

      Report 2018
    • Learn more!

      Visitor Centre

      Welcome to the Swiss Ornithological Institute in Sempach!
    • Learn more!

      Ornitho.ch

      A wealth of data for many purposes
      • to the bird of the day

        Great Reed Warbler

        In dense flooded reedbeds, the male Great Reed Warbler marks its territory by a ...
      • Participate

        The State of Birds in Switzerland

        Report 2018
      • Learn more!

        Visitor Centre

        Welcome to the Swiss Ornithological Institute in Sempach!
      • Learn more!

        Ornitho.ch

        A wealth of data for many purposes