Mine is mapping. I am a big OpenStreetMap contributor and I have mapped many towns near me that were previously completely unmapped.

  • Peasley@lemmy.world
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    6 hours ago

    iNaturalist

    i upload photos i take of plants, birds, mammals, reptiles, fungi, and bugs. The observations (photos + location + annotation) are uploaded to a public database accessible to researchers and universities.

    I’ve been involved in multiple species range expansions, and i’ve documented both endangered and invasive species. Pretty fun!

    The Android app is very good. The iOS app is good for uploads, but lacks a lot of browsing features like search filters and phylogenetic trees. If you are on iOS i suggest using it in a browser except for observation uploads

    You can also upload audio recordings for bird and bug sounds. It’s amazing what you can learn about your local ecosystem!