This tool enables you to depict the breeding distribution based on the casual observations from ornitho.de and ornitho.lu per grid of the topographical map 1:25.000 (TK25; c. 120 km2) as well as the seasonal occurrence. We are grateful to the Ernst Commentz foundation for a generous donation, which enabled the introduction of this tool.

[Download the mesh for GoogleEarth]

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Number of records and max. breeding code per decade. Yellow: possible breeding; orange: likely breeding; red: confirmed breeding. For the year: 2016