Butterfly First Sightings in 2025 (species this year: 8)

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
8 Large White 19th March Andy Hainge Reading, Berks -14 days
7 Small Tortoiseshell 2nd March Geoff Dymott Letcombe Regis, Oxon +23 days
6 Painted Lady 28th February Maggie Simons Flackwell Heath,Bucks -54 days
5 Red Admiral 2nd February Mark Dodd and Jo Pile Crowthorne, Berks +11 days
4 Brimstone 30th January Fiona Tchen Hampden Bottom, Bucks +5 days
3 Small White 15th January Fiona Tchen Coombe, Bucks -59 days
2 Comma 5th January Chris Carter Alvescot, Oxon -41 days
1 Peacock 2nd January Emily Stott Oxford, Oxon -23 days