Help us take nature's pulse by joining the big butterfly count. Find out more about this project
Choose a place and spot butterflies and moths for 15 minutes. Good places include your garden, a park, or in a wood. Use our ID chart to make a note of which species you see. Click to watch a video of Mike Dilger introduce the big butterfly count.
This year we're asking you to share your love of butterflies and help us get more people involved in the big butterfly count. We've got some great ideas about ways to involve your friends and family and have fun at the same time. Plus new free resources to download.
See which butterflies and moths other people have spotted near you and across the UK on our big butterfly count 2015 results map.
All these sightings have now been analysed and you can see the 2015 results.