‘A beaver blind date’: animals given freedom to repopulate Cornish rivers | Wildlife

A historic moment unfolded in Cornwall this week as beavers were legally released into a river system for the first time in English history. The release, occurring almost a year after the government began approving licenses, marks a significant step in the ongoing effort to restore these keystone species to the UK landscape.

A Landmark Release

The release took place at a top-secret location within the Helman Tor reserve. Two beavers, one originating from Cheshire and the other from Dorset, were introduced to a pond, described by Cheryl Marriott, director of nature and people for the Cornwall Wildlife Trust, as a “beaver blind date.” An additional two beavers were released at a nearby site.

The Importance of Genetic Diversity

Wildlife Trust experts are closely monitoring the newly released beavers to assess their compatibility. The organization maintains a “stud book” to ensure genetic diversity within the population, with the ultimate goal of establishing a self-sustaining beaver community. Beavers, according to Marriott, are generally not particular about their mates, though successful pairings aren’t guaranteed.

A Slow Path to Reintroduction

While the first legal release under the new government licensing system occurred last year in Dorset, those beavers were confined to a peninsula. This Cornwall release represents the first truly wild beaver reintroduction on the English mainland. Obtaining the necessary permissions, however, proved challenging, requiring a year and £150,000 in fees for the Cornwall Wildlife Trust to release just four animals.

Ecological Benefits and Local Impact

Beavers are considered a keystone species, capable of significantly improving the environment. Their dam-building activities can reduce flooding, store water for drought resilience, filter pollutants, and create habitats that benefit a wide range of wildlife, including bats, fish, birds, amphibians, and invertebrates. Andy Collins, reserves manager for Cornwall, noted the potential benefits for the local willow tit population, a rapidly declining bird species.

Unsanctioned Reintroductions and Future Plans

The official reintroduction process hasn’t been without complications. In February 2024, an unknown third party illegally released a pair of beavers onto the Tor, a practice referred to as “beaver bombing.” While the Wildlife Trusts do not condone such actions, Collins acknowledged the positive impact of this unsanctioned release, noting the pair created twice as many wildlife ponds in half the time it would have taken with traditional methods at a cost of £29,000.

The Wildlife Trusts plan to release 100 beavers into various reserves this year, with the National Trust also releasing a pair in Somerset. Natural England officials indicate that the licensing process is expected to become more streamlined and potentially less expensive, with plans for further releases on major river catchments like the Humber, Severn, and Thames.

Frequently Asked Questions

What is a keystone species?

According to the source, a keystone species is one that can rapidly improve the environment, such as beavers, whose dam-building activities create habitats and regulate water flow.

How long has it been since beavers were present in England?

The source states that beavers were hunted to extinction in the UK 400 years ago.

What challenges remain in reintroducing beavers?

The source indicates that obtaining licenses from Natural England can be a lengthy and costly process, raising concerns for smaller organizations and landowners.

As the released beavers adjust to their new surroundings, and with plans for further reintroductions underway, will the streamlined processes promised by Natural England translate into a more rapid and widespread restoration of this vital species?