The Snowy Owl, one of the Arctic’s most striking and recognisable birds, has vanished from Sweden’s breeding landscape. Once considered a powerful emblem of the nation’s northern wilderness, the species was declared Regionally Extinct in Sweden in autumn 2025, marking a sobering milestone for conservationists and bird enthusiasts alike.
Big, bright white and unmistakably majestic, the Snowy Owl is among the world’s largest owl species. It typically nests high above the Arctic Circle, following the boom-and-bust cycles of lemming populations. In productive years, when food is abundant, some individuals migrate south, settling in Sweden’s mountain ranges.
But the species has struggled for centuries. During the 1800s, Snowy Owls were heavily persecuted across parts of Europe and North America, with thousands killed for taxidermy or hunted for food. Today, the global population stands at an estimated 14,000 to 28,000 individuals and continues to decline.
Despite these pressures, Snowy Owls remain astonishingly adapted to Arctic life.
Their acute hearing allows them to detect prey beneath deep snow, diving straight through frozen layers to capture rodents. Camouflaged within the white tundra, they can thrive for decades in some of Earth’s harshest habitats.
For many years, Sweden’s environment provided exactly what the owls needed: cold winters, open tundra, wetlands and healthy rodent populations. Throughout the 1970s, several hundred pairs successfully bred across the country’s northern mountains, becoming an iconic fixture of the region.
However, the situation began to shift dramatically in recent decades. After 2015, Snowy Owl breeding activity collapsed completely. No nests were recorded, no chicks were observed and no territorial behaviour was detected. Monitoring teams confirmed the worst in 2025: the Snowy Owl had disappeared as a breeding species.
“We are extremely concerned about the development,” says Niklas Aronsson, editor-in-chief of Vår Fågelvärld, BirdLife Sweden’s member magazine. “The majority of owl species in Sweden are declining. One reason is climate change, which means rodent years are becoming increasingly rare.”
Snowy Owls rely heavily on lemmings, whose population cycles depend on consistent snow cover. Lemmings build insulated tunnels beneath thick winter snow, allowing them to feed, breed and survive the cold season. But as Sweden’s winters warm, snowpack has been replaced by rain and ice, disrupting these crucial subnivean habitats.
With fewer lemmings surviving winter, Snowy Owls lose their primary food source. Even highly adaptable predators cannot withstand repeated years of famine. Researchers say this collapse in prey availability is the main driver behind the species’ disappearance from Sweden.
Habitat disruption has also played a role. Owls typically nest in remote, undisturbed areas, but expanding infrastructure, increased tourism and forestry operations have fragmented once-isolated territories. Although these pressures alone may not have pushed the species out, they compounded the effects of a rapidly shifting climate.
The decline of the Snowy Owl in Sweden is more than a symbolic loss. It serves as a stark warning of accelerating ecological change across the Arctic and sub-Arctic regions. These birds depend on cold, stable environments — conditions that are disappearing faster in the north than anywhere else on Earth.
Conservationists argue that the owl’s regional extinction underscores the urgent need to confront climate change and protect remaining Arctic landscapes. They warn that without significant intervention, other northern species may follow the same trajectory.
Yet hope remains. The Snowy Owl is not globally extinct, and populations still breed in parts of Norway, Russia and Greenland. If climate conditions stabilise and conservation measures strengthen, experts say the species could one day return to Sweden’s mountains.
But such a future depends on the decisions made now. “The moment is now — nature can’t wait,” Aronsson emphasises, calling for stronger environmental protections and global climate commitments.
For Sweden, the silence left behind by the Snowy Owl marks a profound shift in its natural heritage. Whether the iconic Arctic hunter will ever return remains uncertain, but its disappearance highlights what is at stake for biodiversity across a rapidly warming world.