City Nature Challenge logoCity Nature Challenge 2024

Results are in from the 2024 City Nature Challenge! Thank you to the many partners and participants that helped make 2024 a success.

  • Total observations – 10,742 (17 percent up from 2023)
  • Total observers – 464 (11 percent up from 2023)
  • Total species observed – 1,618 (19 percent up from 2023)

We’ll see you next year for the 2025 St. Louis City Nature Challenge!

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.

* 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.

Find a nearby nature site to explore using this map!

Stay connected by following our St. Louis City Nature Challenge Facebook page and the 2024 Facebook Event page.

For more information visit:


Special City Nature Challenge Local Event

Deer Creek
Join us at Marshall Avenue Trailhead in Webster Groves for a live identification session to collect, document, and identify macroinvertebrates.


The 2024 St. Louis City Nature Challenge is supported by Missouri Department of Conservation.
Missouri Department of Conservation logo