Beavers are back in Britain, and they're not just there to play. They're helping to combat the worsening floods that have plagued the country due to climate change. The Ealing Beaver Project, named after the London borough where it's located, is one of dozens of sites across Britain where land managers are using beavers to restore wetlands and tame flooding. The project, started by local veterinarian Sean McCormack and rewilding expert Elliot Newton, involves releasing a family of five beavers into a 20-acre urban park near the Greenford Tube station in West London. Within weeks, the beavers dammed up the creek, creating a pond that holds water and stops it from spilling into the city. They also diverted the creek's flow into smaller tributaries, creating a wetland that better absorbs heavy rainfall, mitigating the risk of flooding downstream.
The beavers have not only helped to stop the flooding at the Tube station, but they have also coaxed back other species. By felling trees, they've opened up the canopy, and we've seen an abundance of biodiversity. Freshwater shrimp have appeared in the creek, plus eight new species of birds, two types of bats, and rare brown hairstreak butterflies, which lay their eggs on blackthorn branches nibbled by beavers.
The beavers have also allowed the city to scrap expensive plans to dig a reservoir and levee. Instead, they've effectively turned the site into a giant sponge that can take heavy rainfall and slowly release water back into the landscape, creating a lot more resilience for flooding. The project has become so popular that there are guided walks and beaver safaris, and joggers and teenagers stop to gawk at the beavers in action.
Beavers were hunted to extinction in Britain more than 400 years ago, but they're now making a comeback. In 2009, wildlife officials relocated two Norwegian beavers to Knapdale Forest in western Scotland, becoming the Adam and Eve of the modern-day British beaver population. The Scottish forestry department calls them the 'original beaver power couple'. Within weeks, the beavers dammed up a tiny river, creating an enormous lagoon where swans now nest.
However, not everyone is happy about the beavers' return. Farmers in Scotland have been concerned about the beavers spreading onto private land, damming up irrigation channels, flooding crops, and falling centuries-old trees and collapsing riverbanks. The Scottish government has set up a fund to rebuild riverbanks and other beaver damage, but it doesn't typically cover damage to private land. Some farmers shoot beavers, but they need a license to do so, as beavers are a protected species.
Despite the conflicts, some farmers have learned to like the new neighbors and even celebrate them. Tom Bowser, a fifth-generation farmer in central Scotland, runs beaver-watching tours on his farm near Doune, Perthshire. He finds it fascinating and has found that the benefits outweigh the costs. The beavers have diverted floodwaters from his driveway, creating a pond lined with benches that's frequented by tourists.
The beaver buzz is catching on internationally. The animals have made comebacks in Italy, Portugal, and the Ukrainian part of the Danube River delta. In the United States, the Methow Beaver Project releases them into fire-damaged areas of Washington state. In Idaho, NASA is helping to track beavers' work.
In Britain, beavers are especially popular with land managers who are short-staffed. South Norwood Country Park, a 125-acre nature reserve with only one employee, is hoping to welcome beavers in 2028 or 2029. The park's peak bird count, which goes back to 1935, is 177 species. However, birds have been in decline across Europe, and the park's countryside warden, Ian Glover, hopes beavers might help reverse that locally by damming up streams and creating wetlands that attract more birds.
Despite their usefulness, beavers have been so successful that nobody's telling them. They're free to roam and spread, and their numbers have been boosted by 'beaver bombers' - renegade wildlife enthusiasts who've released unlicensed beavers into areas where they might not be welcome. As the beaver population has expanded, so have the concerns of farmers, who are now getting worried about the beavers' impact on their land.
In conclusion, beavers are proving to be a valuable asset in Britain's fight against climate change and flooding. They're helping to restore wetlands, boost biodiversity, and provide a natural solution to a very modern problem. However, the beavers' comeback has not been without its challenges, and it remains to be seen how the relationship between beavers and humans will evolve in the future.
