Red Squirrel Conservation and Welfare in the UK

The red squirrel is one of the UK's most beloved native mammals, now confined to isolated refuges as grey squirrel competition and squirrelpox virus have caused dramatic population declines.

Key Facts

The UK red squirrel population has declined from around 3.5 million to fewer than 140,000 individuals
Grey squirrels, introduced from North America in the late 19th century, outcompete red squirrels and carry squirrelpox to which they are immune but which is fatal to red squirrels
Red squirrels are now largely confined to Scotland, northern England, Wales, and some islands
Squirrelpox virus causes rapid deterioration and death within 15 days of infection in red squirrels
Conservation efforts include grey squirrel control programmes, vaccination research, and habitat management
Islands without grey squirrels, such as Brownsea Island and Anglesey, serve as important refuges
Red squirrels are a protected species under UK law and harming them is an offence

Welfare Considerations

Red squirrel welfare and conservation are deeply intertwined. While individual animal welfare matters, the population-level threat means that some interventions acceptable in a conservation context - such as grey squirrel lethal control - must be weighed against individual animal welfare considerations. Red squirrels undergoing rehabilitation after injury or illness require specialist care and low-stress handling. Vaccination development for squirrelpox could transform conservation prospects without requiring lethal grey squirrel control at scale. Supporting habitat connectivity and refuge sites remains the most effective long-term welfare and conservation strategy.

What You Can Do

Support wildlife organisations working on red squirrel conservation in the UK
Contribute to citizen science red squirrel monitoring programmes
Advocate for funding of squirrelpox vaccine development
Create wildlife-friendly gardens with native trees to support habitat connectivity