Wildlife

Dormouse UK Decline and Conservation Welfare

Hazel dormice have declined by over 70% in the UK due to woodland habitat loss and management changes.

Key Facts

Hazel dormice are dependent on shrubby woodland edge, coppice and hedgerows for food and nesting
Populations have contracted significantly northward from their historic UK range
Dormouse boxes provide alternative nest sites where suitable natural cavities are scarce
Dormice hibernate from October to April and are vulnerable to disturbance during this period
Licensed population surveys using nest tube checks and box monitoring track local populations

Welfare Considerations

Individual dormice face starvation if they cannot accumulate sufficient fat reserves before hibernation. Habitat loss forces longer foraging distances that increase energy expenditure. Woodland management changes that eliminate the shrub layer remove critical hazel nut and bramble food sources. Conservation welfare requires both habitat restoration and legal protection.

What You Can Do

Support the People's Trust for Endangered Species dormouse conservation programme
Record dormouse signs including nests and hazelnuts with distinctive feeding patterns
Advocate for coppice woodland restoration and hedgerow connectivity in planning decisions
Learn how to install dormouse nest boxes on woodland you manage