How Cambridge University DNA analysis is helping eradicate mink

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How Cambridge University DNA analysis is helping eradicate mink
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Water vole numbers are bouncing back after the prolific predator was eradicated from East Anglia.

“Britain’s water voles used to be everywhere but numbers have plummeted by 97% since the 1970s – mink are eliminating them left, right and centre," said Bill Amos.

Waterlife Recovery Trust has laid hundreds of traps across the East of England since 2020. Earlier this year, it announced itA key tool is DNA analysis, which helps identify how far the animals have travelled and pinpoint their routes to help cut off re-entry to cleared areas.

American mink began to spread through the UK after they escaped or were released from mink farms, which became illegal in 2000. They will also eat fish and seabirds, but the most susceptible species include kingfishers and water voles.Previous attempts at mink eradication were incomplete and their numbers bounced back swiftly, said Prof Bill AmosVolunteers from Waterlife Recovery Trust bait floating smart traps with an extract from mink anal glands to lure in the mink.

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