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Science
07 May 2025

Wild Beavers Return To Wales After 400 Years

Naturalist Iolo Williams captures historic sighting of beaver on River Dyfi

A wild beaver has been filmed on the River Dyfi in Wales, marking a significant moment in the animal's history, as it was believed to have vanished from the UK approximately 400 years ago due to excessive hunting. This sighting, described as "extremely important" by BBC, highlights the remarkable resurgence of beavers in the region over the last two decades.

The naturalist and presenter Iolo Williams captured the wild beaver near Machynlleth and noted that this clear and extended sighting was one of the "greatest" moments he had ever witnessed. Williams recorded this extraordinary encounter for the BBC series Iolo's River Valleys.

Williams shared that the last individuals known to have seen wild beavers in Wales were likely ancient princes who hunted them. The species had been absent from the area for centuries, making its recent reappearance all the more significant. "We received information that a beaver had appeared on this section of the River Dyfi and were directed to the exact location at 6 p.m.," Williams explained. "We had been there a few days earlier, but it was pouring rain, and we saw nothing. I must admit, I thought we wouldn’t see it. However, on the first dry day, right at 6 p.m., the beaver appeared."

During the encounter, Williams described the beaver as "completely oblivious to us," adding that it was very relaxed. He and others stood quietly on the opposite bank, trying not to make any sudden movements. The beaver merely glanced at them before continuing to forage and swim away.

Local residents have reported seeing beavers and other wildlife along the same stretch of the River Dyfi multiple times in recent years. However, the origin of these beavers remains a mystery. Nearby beaver enclosures have ruled out the possibility that they escaped from captivity.

In Wales, it is illegal to release beavers into rivers and streams without a permit. The Natural Resources Wales (NRW) has confirmed that they have not issued any such permits. Despite the legal restrictions, the British government recently allowed the reintroduction of beavers into the wild. Currently, it is estimated that there are about 500 beavers in Wales, with some living in the wild and others in controlled breeding areas.

Williams emphasized the importance of this event, stating, "This sighting is not only wonderful but also incredibly significant. It shows that nature can rebound if given the chance." The beaver's return is seen as a positive step for biodiversity in the region, as these animals play a crucial role in maintaining healthy ecosystems.

The presence of beavers can help improve water quality, reduce flooding, and create habitats for various other species. Their natural behaviors, such as dam building, can transform landscapes, making them more resilient to climate change.

As the conversation around wildlife conservation continues to grow, sightings like these serve as reminders of the importance of protecting and restoring natural habitats. The resurgence of beavers in Wales is not only a testament to the resilience of nature but also a call to action for conservation efforts across the UK.

Williams, who has dedicated much of his career to wildlife preservation, hopes that this sighting will inspire more people to appreciate and protect the natural world. "I have seen some incredible wildlife in Wales, and this experience was not just great; it was the best," he remarked.

As the story of the beaver's return unfolds, it will be interesting to see how local communities and conservationists respond to this development. Will the beavers thrive in their newfound habitat? Only time will tell.

In the meantime, Williams encourages everyone to be vigilant and report any beaver sightings to help track their numbers and movements. The more information gathered, the better equipped conservationists will be to ensure the beaver population continues to grow and flourish in Wales.

With this remarkable sighting, the beaver's journey back to Wales after centuries of absence is a hopeful narrative in the ongoing story of wildlife recovery. It illustrates not just the resilience of a species but also the potential for humans to coexist harmoniously with nature.