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By becoming a member of Butterfly Conservation today you can do something important not just for Britain's butterflies and moths but for the planet as whole.
Members will receive a fantastic pack including a set of collectible postcards, access to our nature reserves, a subscription to our exclusive magazine 3 times a year, plus more!
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What did you see
An endangered butterfly, once found along much of the general river basin of the Danube from Germany to Romania, but now essentially confined to the latter country. It does however occur in some of the former Soviet Republics as well.
Photograph © Neil Thompson