A vintage butterfly summer in Britain - what's going on?

A record number peacocks and red admirals have visited my garden, possibly thanks to the unsettled weatherDire warnings that last summer's drought could be disastrous for this summer's butterflies don't appear to have come to pass.We're in the realm of anecdote, with scientific data still to be unveiled, but it's a vintage high summer in parts of Britain. My garden buddleia barometer has recorded the highest total of peacocks and red admirals (more than 20 on one bush) in the nine years I've lived here. Continue reading...