Take part in the Big Butterfly Count 2024

Count butterflies and become a citizen scientist!

Between 12 July and 4 August, we need people of all ages across the UK to get outside and count butterflies.

As well as being lots of fun, the information you provide helps our experts understand how some of our butterflies and day-flying moths are doing, and how we can help protect them for the future. 

You will need:

  • Our Big Butterfly Count ID guide - you can download and print your own from this page or you can download the free app
  • A pen and paper, or a way of noting down what you see
  • A sunny spot
  • Optional: other people! Encourage your class, Scout Group or family and friends to take part too.

Step 1

Print or download the Big Butterfly Count ID Guide for you and your group to see which species you need to look out for. Or if you like, you can download the free app by searching for 'Big Butterfly Count' in Google Play or the App Store.

Step 2

Find a sunny spot outdoors - it could be in your garden or outdoor area, your school grounds, or even your local park - and spend 15 minutes counting the number and type of butterflies and day-flying moths you see. 

Step 3

Submit your sightings via the Big Butterfly Count website or app. Congratulations you are now a citizen scientist! Print or download your certificate. 

Step 4

Optional: share your Count on social media. Join in using #BigButterflyCount and tag us in your pictures using @savebutterflies - we love hearing how everyone's Counts are going and what you're spotting!

Step 5

Do it again! Did you know you can do as many Big Butterfly Counts as you like between 12 July and 4 August? Choose different spots and see how they compare.


BBC ID Guide

Big Butterfly Count ID Guide - England & Wales (English)

ID Guide (Welsh language version)

Big Butterfly Count ID Guide - Welsh

ID Guide (Northern Ireland)

Big Butterfly Count ID Guide - Northern Ireland

ID Guide (Scotland)

Big Butterfly Count ID Guide - Scotland

Citizen Scientist Certificate

Citizen Scientist Certificate

Poster advertising Big Butterfly Count

Big Butterfly Count Poster