Wildlife Welfare

Wild Marsh Harrier Advanced 2026

UK marsh harrier populations in 2026 have continued their remarkable recovery, with over 400 breeding pairs and ongoing range expansion. Advanced monitoring supports welfare and conservation management.

Key Facts

UK marsh harrier breeding population exceeded 420 pairs in 2026 with ongoing expansion
New breeding sites are establishing in coastal reedbeds and inland wetlands
Individual birds fitted with GPS tags reveal territory size, hunting range, and migration routes
Nest monitoring cameras provide real-time welfare data during the breeding season
First-winter survival rates for UK-bred birds are being quantified through wing-tag and ring recovery data

Welfare Considerations

Individual marsh harrier welfare in 2026 is better understood through GPS tracking and nest monitoring that provides individual-level welfare data alongside population monitoring. First-winter survival data reveals the welfare challenges facing young birds as they establish territories and undertake their first migration. This individual welfare perspective ensures conservation management considers the welfare of each bird rather than just population-level statistics.

What You Can Do

Support wildlife trust and RSPB marsh harrier monitoring programmes
Visit wetland reserves to see marsh harriers during the breeding season
Advocate for continued reed bed creation and restoration supporting marsh harrier expansion