Home > Environment > Butterfly numbers fell by a fifth in 2011, study shows | guardian.co.uk

Butterfly numbers fell by a fifth in 2011, study shows | guardian.co.uk

Butterfly numbers fell by more than a fifth across the UK countryside last year, a study has revealed.

The 22% drop in butterflies in 2011 is thought to be the result of an unusually cold summer and the deterioration of suitable habitat for the insects, wildlife charity Butterfly Conservation said.

For more on this story, visit: Butterfly numbers fell by a fifth in 2011, study shows | Environment | guardian.co.uk.

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