Big Butterfly Count aims to help understand climate change
Last year's count revealed that some species of butterflies had almost halved in Northern Ireland.
Last year's count revealed that some species of butterflies had almost halved in Northern Ireland.
The silver-studded blue is a rare species of butterfly which naturalists are reintroducing to a country park in Norfolk
The Big Butterfly Count is a ‘valuable snapshot’ of how the insects are faring, Butterfly Conservation said.