Wild Bird Trapping: Bycatch and Welfare in Ringing

Bird ringing provides vital conservation data but also carries welfare implications from capture stress and injury, requiring strict licensing and best practice standards.

Key Facts

Over 1 million birds are ringed annually in the UK by licensed ringers
Mist nets and traps catch birds for ringing, colour marking, and blood sampling
Incorrectly operated mist nets can cause injury, hypothermia, or death
Licensed ringers must pass assessments demonstrating competent handling skills
Data from ringing schemes has revealed critical information about migration routes and survival rates

Welfare Considerations

Bird ringing involves deliberate capture and restraint of wild birds, causing measurable acute stress. When done by skilled, licensed ringers following best practice, the welfare cost is minimised and the conservation benefit is significant. Poorly operated nets cause feather damage, joint injury, and occasionally death. Welfare best practice includes checking nets at minimum every 30 minutes, using appropriate bag transport, and minimising handling time. The licensing system ensures minimum standards for all UK ringers.

What You Can Do

Support the British Trust for Ornithology (BTO) ringing programme through donation
Respect restricted areas around active mist net stations
Report suspected unlicensed or poorly operated bird trapping to the BTO and police
Learn about the conservation insights made possible by ringing data
Consider volunteering as a trainee ringer if you wish to directly contribute to bird science