Big Butterfly Count
Butterfly Conservation's summer survey asking people to spend 15 minutes counting butterflies, set for 9 July to 1 August in 2027.
- UK
- USA (not marked)
- Ireland (not marked)
- Canada (not marked)
- Australia (not marked)
- New Zealand (not marked)
- International (not marked)
OrganiserButterfly Conservation
ListingAdded by us from official sources
Last checked19 October 2026
First heldNot known
About the day
Butterfly Conservation runs the Big Butterfly Count as a UK-wide citizen science project. The results help show how butterflies and the wider environment are faring, with trend data going back to 2011.
Dates for the next three years
| Year | Date | Where | Status |
|---|---|---|---|
| 2027 | 9 July to 1 August 2027 | UK | Confirmed by the organiser |
Where this information comes from
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