BioBlitz 2026

Be a scientist for a day! Join the Missouri Department of Conservation, St. Louis County Parks, Great Rivers Greenway, and community partners on Saturday, September 19, 2025, for a BioBlitz at the Mississippi Greenway: Cliff Cave Park. This event is free and open to the public. This event has options for all ages and experience levels. Come explore, discover, and make a difference!

What is a BioBlitz?

A BioBlitz is when teams of scientists, students, and community members work together to identify and record as many living species as possible (plants, trees, lichens, mosses, bugs, bees, lizards etc.) within a specific area over a specific time. It’s a fun and engaging way to learn about local biodiversity and contribute to scientific research. This not only helps community members grow their appreciation for nature in their own “backyard,” but can also help drive conservation and land management decisions, understanding of local diversity, and possibly even discover a new species!

To identify these species, you’ll use an app called iNaturalist. Never used it before? Don’t worry, we made a how to guide you can check out here!

Two Ways to Participate:

Whether you’re a seasoned naturalist or just curious about nature, your observations will contribute to valuable conservation research. You can either:

1. Participate by collecting data on iNaturalist anytime on your own on September 19 (no registration required!).
2. Sign up for expert led sessions guided by experts throughout the day. See sessions here!

Registration for expert sessions coming soon! Check back here at the beginning of August.

2025 Results

Thank you to everyone who participated in our 2025 BioBlitz! To take a look at all the data we were able to gather together, check out the results on iNaturalist here.