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What is the City Nature Challenge?
The City Nature Challenge (CNC) is an international competition in which citizens from all over the world collect photos of wild animals and plants during a bioblitz. Take part and upload your finds to the iNaturalist app!
How can we get involved?
Date
Friday, 25 April to Sunday, 28 April 2025
Location
Throughout Hamburg
Kind
Bioblitz, excursions, guided tours
Price
free of charge
A special incentive...
Particularly keen explorers can look forward to great prizes! Those who find a particularly large number of species can win an exclusive guided tour of the butterfly collection, jute bags and mugs from the Museum der Natur Hamburg!
Supporting programme
26.04.2025, 2 pm: Bioblitz in the Botanical Garden
Butterfly and moth expert Karina Lucas da Silva-Brandão takes us to the Botanical Garden in Hamburg. Here we will be looking specifically for species - plants, fungi and, of course, animals - that will help us draw a better picture of the biodiversity of our Hanseatic city.
Places are limited, which is why we ask you to register briefly at: veranstaltungen.hamburg@leibniz-lib.de
Participation is free of charge. The event will be held in English only.