Wildlife Welfare

Wild Barn Owl Winter Survival and Welfare

Barn owls face critical welfare challenges in winter when harsh weather and prey scarcity combine to cause starvation and mortality.

Key Facts

Barn owls have very low metabolic reserves and can die within days of food shortage
Prolonged snow cover prevents hunting and can cause mass starvation
A network of nest boxes provides safe roost sites during cold weather
Barn owls need to consume 4-5 field voles per night to maintain condition
Road traffic mortality increases when owls hunt roadside verges during winter prey shortage

Welfare Considerations

Winter is the most welfare-challenging period for barn owls. Food shortage from prey hiding under snow, combined with energy demands of maintaining body temperature, can cause rapid starvation. Individual owls that cannot find prey die within days. Maintaining rough grassland prey habitats and providing safe roosting sites reduces winter mortality.

What You Can Do

Support barn owl nest box provision that also serves as winter roost sites
Advocate for rough grassland maintenance on road verges for owl hunting habitat
Report barn owls showing signs of illness or distress to wildlife rescue