iNaturalist
Photograph any wild thing near you and a community of naturalists identifies it. Verified records become real biodiversity data used by scientists.
- Natural Sciences
- Who can enter
- Ages 13+ for an account worldwide (the Seek app has no minimum), free
- What it costs
- A joint initiative of the California Academy of Sciences and National Geographic. No paid tier.
- When it closes
- We could not confirm this year's date against the organiser's own page, so we are not showing a countdown for it. Last published: Open all year: photograph something living, free.
Sending this to someone sends the four facts above, not just a name. They will see who can enter and what it costs before they decide.