Flight Times

Three flight time data sets are available as described in the sections below.

Typical Flight Times, sorted by earliest date

Click on the graphic to see the typical flight times of all UK Butterflies, with the exception of rare migrants and extinct species, sorted by earliest date.

Typical Flight Times, sorted by species

Click on the graphic to see the typical flight times of all UK Butterflies, with the exception of rare migrants and extinct species, sorted by species and subspecies.

Earliest Sightings

Click on the graphic to see a summary of the earliest sightings of all UK Butterflies in recent years, with the exception of rare migrants and extinct species.