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Join the City Nature Challenge! Open to people throughout the world and particularly in Baltimore City, Baltimore, Carroll, Harford, Howard and Queen Anne's counties. 

Ideas and resources to help you look for, find, attract, and document nature in your house or yard!
Make observations: April 24-27 | Upload & work on identifications: April 28-May 3 | Results announced May 4!

Get Started with iNaturalist

For your nature observations to count for the City Nature Challenge, you’ll need to document what you find and add it to iNaturalist or your city’s chosen platform. All observations you make April 24-27 will count for the City Nature Challenge!