Laboratory Animals

Mammal Live Trapping for Research: Welfare Standards

Live trapping of wild mammals for research purposes creates welfare obligations including minimizing capture stress, reducing trap check intervals, and ensuring rapid processing and release.

Key Facts

Live trapping for wildlife research is governed by institutional animal care protocols
Sherman and Longworth traps can cause hypothermia in small mammals overnight
Trap check intervals of 4-8 hours are standard but 12-hour gaps are common in practice
Handling wild animals causes acute stress responses that may persist for hours post-release
Microchipping and ear-tagging for individual identification require brief anaesthesia or restraint

Welfare Considerations

Wild mammals in live traps experience significant welfare compromise from confinement, limited food and water, thermal stress, and the fear of an unfamiliar environment. The duration and nature of this experience is determined by trap check frequency — animals left overnight in traps experience many hours of welfare compromise. Research welfare standards should prioritize minimal trap time and rapid processing.

What You Can Do

Support research institutions with rigorous wildlife trapping welfare protocols
Advocate for mandatory trap check frequency requirements in wildlife research permits
Donate to organizations developing less invasive wildlife monitoring alternatives
Engage with institutional animal care committees about wildlife trapping welfare standards
Support remote sensing and camera trap alternatives to live trapping where scientifically appropriate