North America has beavers. Europe and Asia have beavers. Britain should have them too, but we killed the last one a few centuries ago. But now they have turned up on a river in southern England, happily doing what beavers do, including having baby beavers.
No one knows how they got there. The official reaction is that they must be captured and put in a zoo, because "[o]ur landscape and habitats have changed since then and we need to assess the impact they could have." In fact, we know beavers are, on balance, a Good Thing, increasing biodiversity and ...
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