• to the bird of the day

    Tawny Owl

    After nightfall in late winter, you often hear the eery, howling mating calls of ...
  • Participate

    The State of Birds in Switzerland

    Report 2017
  • Learn more!

    Visitor Centre

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

    Ornitho.ch

    A wealth of data for many purposes
  • Learn more!

    Autumn migration

    In late summer, birds start preparing for the winter season.
    • to the bird of the day

      Tawny Owl

      After nightfall in late winter, you often hear the eery, howling mating calls of ...
    • Participate

      The State of Birds in Switzerland

      Report 2017
    • Learn more!

      Visitor Centre

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

      Ornitho.ch

      A wealth of data for many purposes
    • Learn more!

      Autumn migration

      In late summer, birds start preparing for the winter season.