Big Butterfly Count records increase on 2022 but longer-term trends show declines for some of most common species
This year’s capricious summer weather has been an unexpected boon for Britain’s butterflies, with the biggest insect count in the world recording an increase on last year’s all-time low.
Red admirals dominated the Big Butterfly Count as citizen scientists recorded an average of 12 butterflies per 15-minute count, up from nine in 2022.
