Download the app (the easiest way to participate): Android | iOS, or use iNaturalist online.
New to iNaturalist? Check out the Getting Started Guide.
Take a photo of a wild plant, animal, fungus, or other organism, then upload it to iNaturalist.
Join the City Nature Challenge 2027: Boston Area project.
Making observations around your home but don't want to share your exact location? Learn how to obscure the public location of your observation.
Explore the Boston Area Biodiversity project to see the latest observations, including yours!
The iNaturalist community reviews observations and suggests or confirms identifications. As others contribute identifications, you can follow the discussion and see what your observation turns out to be!