Sightings summary: 2026

Annual overview of butterflies reported to the Dorset branch website*

8 adult butterflies of 3 species reported to the website this year.

Recording activity

Number of species records by date seen. Scroll right for key.

Top butterflies

Tip: Click chart segments to display details.

Species count

Total adult butterflies reported by species.

Tip: Hover over or click truncated bars to display totals.

First sightings

Earliest dates on which adult butterflies were reported to the website.

Tip: Click column headers to sort table data.
Species Date
Brimstone 2026-01-04
Peacock 2026-01-16
Red Admiral 2026-01-16

Flight times

Duration between earliest and latest reported sightings of adult butterflies.

Seen a butterfly? Report a sighting

*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.

Explore the sightings archive.