Wildlife

Wild Barn Owl Chick Welfare

Barn owl chick welfare depends on prey delivery by parents, nest box temperature, and freedom from disturbance during the vulnerable fledgling period.

Key Facts

Barn owls lay 4-7 eggs with asynchronous hatching
Last-hatched chicks are smaller and more vulnerable to food shortages
Chick mortality increases in years with poor vole availability
Nest boxes can overheat in summer causing heat stress in chicks
Disturbance at nest boxes causes premature fledging and chick deaths

Welfare Considerations

Barn owl chicks dying from starvation or overheating in nest boxes experience preventable welfare harm. Well-ventilated boxes in shaded positions prevent overheating. Prey availability drives starvation risk and cannot be improved within individual seasons but can be addressed through long-term grassland restoration. Disturbance at boxes during chick-rearing must be absolutely minimised.

What You Can Do

Install ventilated barn owl boxes in appropriate positions
Avoid all disturbance at barn owl nest boxes during chick-rearing
Support rough grassland management improving barn owl prey availability