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Weekly BioBlitz Challenge

BioBlitz Challenge

A friendly weekly race to record nature. Photograph any living thing — a plant, bird, bug, or fungus — add it to GainForest, and climb the board. New round, new prizes, every week.

Live nowRound 1 · Pilot•Jun 26 → Jul 3, 2026
Register to take partRegister so we can track your entries and send your prize if you win.
Questions?Join office hoursAsk in the group chat

Part of the Klarna AI for Climate Resilience program, with GainForest.

Prizes every round

$40

Most observations

For the collector with the most valid sightings in the round.

$10

Best picture

For the most striking nature photo of the week, picked by the team.

Plus a permanent winner badge on your profile.

How it works

  1. 1

    Head outside

    Forest, field, or your backyard — any living thing counts.

  2. 2

    Upload your photos

    Add them on your My Observations page, or with Tainá — also on GainForest.

  3. 3

    Check the species name

    Confirm or correct the suggested name — your knowledge matters.

This round's board

Live

Who is leading the most-observations prize right now.

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Observations this round

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Collectors

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Time left

Add your observations