Big Butterfly Count (July/August)
Help take nature's pulse by joining the Big Butterfly Count.
Event Details
- Start Date 18.07.25
- End Date 10.08.25
- Category Annual/Special Days/Weeks/Months
- Website Website
- Organiser Butterfly Conservation
2025: Where are all the butterflies?
Following the results of the Big Butterfly Count 2024, Butterfly Conservation have declared a butterfly emergency, and they need your help more than ever before. By taking part in Butterfly Conservation's Big Butterfly Count - a UK wide survey, you can help assess the health of our environment simply by counting butterflies.
How to take part
1. Get ready - go to the website to download a handy butterfly ID chart or the free app.
2. Join in between Friday 18th July and Sunday 10th August and choose a place to watch for 15 minutes.
3. Add your counts here and browse the interactive map.
There are many inspiring butterfly resources, ID guides and more in the Muddy Faces shop.
It's also National Moth Week on the 19-27 July.
The Big Butterfly Count is a nationwide citizen science survey aimed at helping assess the health of our environment. It was launched in 2010 and has rapidly become the world's biggest survey of butterflies. Over 64,000 citizen scientists took part in 2022, submitting 96,257 counts of butterflies and day-flying moths from across the UK.