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BiodiverseCity St Louis

 

City Nature Challenge logoCity Nature Challenge 2025

April 25–28, 2025

Participation is easy:

  • Download the FREE iNaturalist app. Find instructions for downloading the app on the iNaturalist website or go directly to the app store.
  • Take photos of plants, animals, insects, and other life forms. You can do this anywhere across the bi-state* region.
  • Upload your images on the greater St. Louis region's iNaturalist page.

Download a flyer

* Counties representing the greater St. Louis region in the 2023 City Nature Challenge: Missouri - Crawford, Franklin, Jefferson, Lincoln, St. Charles, St. Francois, St. Louis City, St. Louis County, Warren; Illinois – Bond, Calhoun, Clinton, Jersey, Macoupin, Madison, Marion, Monroe, St. Clair.

 

Special City Nature Challenge Local Event

Forest Park
Saturday, April 26, 2025; 9–11 a.m.
Registration details to come

Join us in Forest Park near Kennedy Woods for a guided bioblitz event! Led by local biodiversity experts, you will make observations on plant, animal, and insect species to contribute to our weekend of data collection!

 
The 2025 St. Louis City Nature Challenge is supported by Missouri Department of Conservation.
Missouri Department of Conservation logo