Big Butterfly Count

The Big Butterfly Count runs from 17 July to 9 August 2026, inviting everyone to spend just 15 minutes in a sunny spot counting the butterflies they see. Every count feeds real conservation science and helps track the health of the UK’s nature.

When is Big Butterfly Count?

Big Butterfly Count takes place in July (July 17 - August 9). It is one of the many UK awareness days that bring people together around a shared cause — see the full calendar.

Why Big Butterfly Count matters

Butterflies respond quickly to changes in climate and habitat, so counting them reveals how nature is coping. The more people who take part, the clearer the picture scientists have, and the better we can protect our wildlife. Explore community support volunteering.

How to get involved in Big Butterfly Count

There are three simple ways to make Big Butterfly Count count:

• Volunteer — take part in a count in your garden, park or school field and submit your sightings as a citizen scientist. Browse opportunities.
• Fundraise — organise a sponsored butterfly walk or wildlife-themed event to raise money for a conservation charity.
• Raise awareness — encourage friends and family to do their own 15-minute count and share what they spot.

Big Butterfly Count volunteering opportunities

Mark Big Butterfly Count by doing something real. Find volunteering opportunities and start today.

Get involved with Big Butterfly Count

Browse live opportunities, log your hours, and earn verified badges you can add to your CV and LinkedIn. Find volunteering roles or see more awareness days.