Annual overview of butterflies reported to the Dorset branch website*
Number of species records by date seen. Scroll right for key.
Total adult butterflies reported by species.
Tip: Hover over or click truncated bars to display totals.Earliest dates on which adult butterflies were reported to the website.
| Species | Date |
|---|---|
| Brimstone | 2026-01-04 |
| Peacock | 2026-01-16 |
| Red Admiral | 2026-01-16 |
Duration between earliest and latest reported sightings of adult butterflies.
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*Note: The charts shown on this page are drawn only from casual sightings submitted to this website. They are therefore not statistically significant, but do serve as an indication of what’s going on in the Dorset butterfly world. The records from this website will be added to a lot more data collected throughout the year, and used to compile the five-yearly Butterfly Atlases for Dorset and the UK.