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However, sitting waiting for me was a perfect male. His lack of agility and mint appearance suggested a very recent emergence. He was sitting within a metre of where the two or three (at best) males used to lek at Heyshott when the species was teetering on the brink of local extinction, before operations began to save the Duke in 2007. On the best days 100+ now fly here.
Bearing in mind the effort I put into conserving this species on my own patch, it is hardly surprising that this sighting meant much more to me than the half dozen Dukes I saw at Noar Hill on 15th April (pictured). With this degree of involvement it all becomes much more personal, and that's how it should be with butterflies.