
ABERDEEN, SCOTLAND — In a major victory for conservation, the native red squirrel has made a triumphant return to the heart of Aberdeen, marking a historic moment in the UK’s urban wildlife restoration efforts. After a 15-year-long battle against the invasive grey squirrel, conservationists are celebrating as Aberdeen becomes the first city in the United Kingdom where the red squirrel is once again the dominant species. This significant achievement showcases a successful strategy that could become a blueprint for rewilding efforts across the country, proving that dedicated action can reverse the decline of beloved native species.
A Coordinated Conservation Effort
The success story is the result of a targeted and persistent campaign led by the Saving Scotland’s Red Squirrels project, a partnership program spearheaded by the Scottish Wildlife Trust. The core of the strategy involved the systematic and humane removal of nearly all non-native grey squirrels from the city’s parks and woodlands.

Grey squirrels, introduced from North America in the 19th century, outcompete the smaller red squirrels for food and habitat and carry the squirrelpox virus, which is deadly to reds but harmless to greys. By managing the grey population, the project created a safe and viable environment for the reds to reclaim their ancestral territory.
Nature’s Own Helping Hand

A key ally in this fight has been a natural predator: the pine marten. Conservationists have noted that the rising numbers of pine martens in and around Aberdeenshire have played a crucial role. These agile carnivores, which are also making a comeback in Scotland, have a documented preference for the larger, slower grey squirrels.
Dr. Emma Sheehy, a leading researcher on the subject, stated, “The pine marten’s recovery has provided a natural, biological control. They are far more effective at predating on grey squirrels, which haven’t evolved alongside them, giving the native reds a significant advantage.” This predator-prey dynamic has helped maintain the new balance and ensures the long-term sustainability of the red squirrel population.
What This Means for the UK
Aberdeen’s achievement is more than just a local success; it’s a beacon of hope for wildlife conservation across Britain. It demonstrates that with a combination of:
- Targeted invasive species management
- Habitat protection
- The restoration of natural predators
…it is possible to turn the tide for threatened native wildlife, even in urban settings. Officials from Saving Scotland’s Red Squirrels hope this milestone will inspire similar projects in other towns and cities where red squirrels are still under threat.
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