Conservation works: Large Blue Butterfly

In 1979, somewhere in Dartmoor, a butterfly died. That would hardly have been an exceptional event, but this individual was a Large Blue butterfly (Maculinea arion) and it was the last of its kind in the United Kingdom. Over more than a century, the Large Blue’s population had been declining and it was finally declared nationally extinct 30 years ago.

Now, it’s back. A bold conservation effort managed to work out the factors behind the butterfly’s decline, and resurrect this vanished species. The Large Blue’s reintroduction has been one of conservation’s flagship successes and it was the first time that efforts to save a declining butterfly had actually paid off.

via How research saved the Large Blue butterfly : Not Exactly Rocket Science.

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