You’ll spot squirrels all over Europe—both the native red squirrel and the introduced eastern grey. So, yes, Europe has squirrels. But which kind you see? That can really shape the local forests and wildlife.
Take a walk through European woods and you might see red squirrels where they’re still holding on, or those bigger grey squirrels in areas where they’ve muscled in.
We’ll get into which species are native, which ones aren’t, and how greys have changed habitats and conservation work.
If you care about parks, backyard birds, or just want to help native species, it’s worth knowing why the squirrel you see matters—and what folks are trying to do about it.
Squirrels in Europe: Native and Invasive Species
You’ll run into both native tree squirrels and non-native invaders throughout Europe.
Some mostly stick to forests, while others actually like open grasslands or even city parks.
Eurasian Red Squirrel: Distribution and Traits
The Eurasian red squirrel (Sciurus vulgaris) ranges across most of Europe and up into northern Asia. You’ll find it in all sorts of forests—deciduous, coniferous, or mixed woods with plenty of seeds and nuts.
Reds can look anything from bright red to dark brown, and in winter, those ear tufts stand out.
They scatter-hoard food—burying seeds and acorns all over the place, which helps forests regrow. But it also means other squirrels sometimes steal their stash.
Conservation for reds focuses on protecting their habitats, slowing disease spread, and keeping out non-native squirrels.
Major threats include losing their forest homes and the squirrelpox virus, which grey squirrels carry. When greys show up, red squirrel numbers usually drop fast.
So, conservationists might trap greys, run public education campaigns, or tweak habitats to give reds a fighting chance.
Eastern Grey Squirrel: Introduction and Spread
The eastern grey squirrel (Sciurus carolinensis) originally comes from North America. People brought it to Britain, Ireland, and bits of Italy, and now it’s well established.
You’ll see greys in parks, gardens, and broadleaf woods. They eat just about anything—seeds, fruit, fungi, even eggs or bugs if they find them.
Greys outcompete the reds. They carry squirrelpox without getting sick, but the virus wipes out reds.
Their bigger size and flexible eating habits help them take over. Managers use trapping, targeted culls, and public campaigns to stop new releases.
If you want more on the grey squirrel’s European takeover, check out Eastern grey squirrels in Europe.
Other European Squirrel Species
Europe’s got a few other squirrel species besides reds and greys.
The European ground squirrel (Spermophilus citellus) lives in open grasslands and steppe, mostly in central and eastern Europe. It’s a burrowing, daytime critter that’s losing ground to farming and development.
You might find the Siberian flying squirrel gliding through old northern forests. It needs mature woods with tree cavities for nesting.
Other local tree squirrels and dormice live in woodlands and hedgerows across the continent.
Protecting a mix of forest types helps these species survive, since many rely on specific seeds or forest connections.
Impacts of Invasive Squirrels and Conservation Efforts
Grey squirrels go head-to-head with native species, spread disease, and damage trees.
Conservationists juggle red squirrel survival, tree health, and what the public thinks, while testing different tools like trapping or habitat work.
Competition and Disease Between Red and Grey Squirrels
Greys usually outcompete reds for food and nesting spots. You’ll see them take over feeders, handle seeds more efficiently, and roam bigger areas.
This pushes reds into smaller, isolated patches.
Disease is a big deal here. Greys carry squirrelpox, which barely affects them but kills lots of red squirrels.
It’s a classic case of a non-native species bringing a disease that devastates the locals. Managers do monitoring, try out vaccines, and sometimes remove greys locally to slow the spread.
You can find deeper dives into the red-grey competition in editorial collections on squirrel invasions that break down the science and population models.
Ecosystem Changes and Tree Damage
Grey squirrels change forests by stripping bark, eating seeds, and damaging young trees.
When they strip bark, it kills saplings and even mature trees. That really hurts forest recovery and makes it tough for seedlings to survive after storms or logging.
Squirrels can also make trees more vulnerable to diseases like red band needle blight or Phytophthora ramorum by stressing them out.
You’ll notice more dead trees and fewer young saplings in places with lots of greys. That ripples out to birds and other animals that need thick young forests.
Managers watch for tree damage and use things like limiting feeders or protecting valuable trees to cut down on bark stripping and help forests bounce back.
Squirrel Conservation and Population Control
You’ll see people using several management tools: cage trapping, humane shooting, fertility control trials, and sometimes even rehoming. Every method comes with its own pros and cons—cost, public opinion, and animal welfare all play a part. Wildlife managers usually mix and match these techniques, depending on local needs and whatever the law allows.
Good programs lean on science-based planning. They use population models to figure out how much effort to put in, and they actually check if their work makes a difference. Some teams try to bring back natural predators—like supporting European pine marten recovery. That approach can knock down grey squirrel numbers and help red squirrels, which is kind of fascinating if you think about it.
Groups like the European Red Squirrel Initiative help shape policy and keep everyone on the same page across different regions.
Curious about real-world examples? You can read up on eradication campaigns and new gray squirrel management techniques in conservation journals and practical management reviews.
