Below you can see the leaderboard for the current week. At the bottom you can select the leaderboard for the month, for the year or the overall leaderboard. Thanks a lot for your great commitment!

Twice a year we send certificates to our most active citizen scientists: Those who achieved 50 uploads and more in the last six months and did not get a certificate before, receive a certificate from the Citizen Science Center and the University of Zurich.