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First Beaver Dam in 400 Years

Hunted for their meat, pelts, and scent glands, beavers became extinct in the UK in the 16th century, but have been successfully reintroduced to a few sites in Britain in the past two decades.

A beaver reintroduction project in Exmoor, in South West England, has recently resulted in the first dam in the area in more than 400 years.

“It might look modest, but this beaver dam is incredibly special - it’s the first to appear on Exmoor for almost half a millennium and marks a step-change in how we manage the landscape,” said Ben Eardley, project manager at the National Trust. “As we face into the effects of climate change and more frequent extreme weather events, natural interventions like this need to be part of the solution.”

"What's amazing is that it's only been here a few weeks but has created an instant wetland.

We've already spotted kingfishers at the site, and over time, as the beavers extend their network of dams and pools, we should see increased opportunities for other wildlife, including amphibians, insects, bats and birds."

The semi-aquatic creatures were released into the wild in Exmoor earlier this year as part of an ecosystem restoration programme led by the National Trust, and monitored by Exeter University, which aims to restore streams in the area and reduce flooding.

Rangers described the beavers as “ecosystem engineers” for creating an “instant wetland” on the Somerset estate only nine months after they were introduced to slow the flow of water and improve river quality.

Their construction has allowed for deep pools of water that offer animals shelter from predators and a place to safely store their food. Beaver dams benefit human communities too, as they prevent the risk of flooding by slowing down and storing water as it flows downstream.


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