Rastrum
⚠️ Classic form will be removed on 2026-06-30. Use the new /observe instead.
New observation
We restored your in-progress observation. Pick up where you left off.
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Take a photo
Starting camera…
We use analytics to improve Rastrum. No personal data is sold.
We restored your in-progress observation. Pick up where you left off.
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Starting camera…
Tap Share, then Add to Home Screen.
A new version is available.
Adjust the frame to focus the subject. Better framing helps the AI identifier.
Drag the corners to resize. Drag inside to move.
Last 30 days for activity-based sorts (7-day option also available)
All public observations, paginated 20 at a time
All-time pool, but the order key is the latest observation date
Snapshot of the current region pool — refreshed when the page loads
Wild public observations within the same geohash-5 cell, in the current month, all years
Last 90 days for the cohort; metrics are recomputed on each page visit
Today (UTC) — resets at 00:00 UTC each day
Top 3 most recent synced public observations
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