Butterfly First Sightings in 2025 (species this year: 2)

This page shows the earliest sightings of butterflies in the Upper Thames region (per UTB Sightings). The "+- days" column shows the difference from the mean first sighting date in the UTB region since 2004.
# Species Date Recorder Location +- days
2 Peacock 11th January Martin Robinson Lane End, Bucks -14 days
1 Comma 5th January Chris Carter Alvescot, Oxon -41 days