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Butterfly Conservation Launches Big Butterfly Count as Warm Spring Raises Hopes
The charity says heat and dry weather have created ideal breeding conditions, while 80% of butterfly species have declined over 50 years, it said.
Wildlife charity Butterfly Conservation launched its annual Big Butterfly Count from July 17 to August 9, following a warm, dry spring that has raised hopes for strong butterfly populations this summer.
The optimism marks a reversal from two years ago, when the charity declared a butterfly emergency after 2024 delivered the worst Big Butterfly Count results in the scheme's history; a hot, dry 2025 and record-warm spring have shifted prospects.
Early sightings show The Small Copper and Holly Blue appearing in excellent numbers, with Peacock, Red Admiral and Brimstone off to promising starts, though 80% of butterfly species have declined over the past 50 years due to habitat loss and climate change.
Kate Merry, head of engagement at Butterfly Conservation, emphasized that public participation is essential, stating "the only way to find out is for people to tell us what they're seeing" through 15-minute counts submitted via the free app.
Experts predict a possible "painted lady summer" if migrant butterflies arrive in large numbers, though Butterfly Conservation cautions that improvements remain uncertain amid long-term declines, with the annual survey helping scientists track butterfly movements due to climate change and habitat loss.