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City Nature Challenge 2021

April 30, 2021 - May 3, 2021

Join us and organizations across the Upper Willamette in the City Nature Challenge. Observe and document the natural world in our backyards, on our sidewalks, and in our homes while contributing to research around the world.

The City Nature Challenge (CNC) is a community science bioblitz with the goal of observing and identifying as many species as possible in urban communities. Participants from more than 200 cities worldwide will contribute and so can you! 

You may be wondering – what is a BioBlitz? ‘Bio’ means ‘life’ and ‘blitz’ means ‘to do something quickly and intensively’. Together they make ‘BioBlitz’, a collaborative race against the clock to discover as many species as possible, within a set location, over a defined time period. Plants, animals, fungi, it all counts! Even tracks and other evidence of a species can be recorded. 

Find out the name of that mystery plant growing nearby with iNaturalist, a free and easy-to-use app and website with a community of experts helping you identify what you found. If you are in the Eugene/Springfield area and you make an observation on iNaturalist from April 30th-May 3rd, it will automatically contribute to our total. Want to learn how to use iNaturalist? Check out our how-to video!

Please follow all travel and social distancing guidelines as we bring technology and nature together. Discover the nature around you during the City Nature Challenge!


April 30, 2021
May 3, 2021