Public urged to join butterfly count as species spread north with climate change
![Public urged to join butterfly count as species spread north with climate change](https://www.expressandstar.com/resizer/7CZa9UaZOJorJXodIYnN80Iy1k8=/cloudfront-us-east-1.images.arcpublishing.com/mna/2LZN5JGR2FCGRLKX2DGGJ7SMKA.jpg)
Experts say the Big Butterfly Count citizen science project can help them learn more about how rising temperatures are affecting butterflies.
Members of the public are being asked to help scientists track the impacts of climate change on butterflies, as data shows the insects are on the move north.