Category: Citizen Science
Bird count 2021 – “Stunde der Gartenvögel” in Germany
The Dawn Chorus 2021
Bird count 2021 – “Stunde der Wintervögel” in Germany
Northern gannets and harbor seals on Heligoland
The Dawn Chorus citizen science project
Bird count in May – A citizen science project
Citizen Science: Counting birds in January
The City Nature Challenge in Berlin
