The common crane (Grus grus) returned to breed naturally in the UK in 1981 after a 400-year absence, and a reintroduction project in Somerset has established a fledgling breeding population. Their welfare depends on wetland habitat quality, freedom from human disturbance, and secure winter foraging.
Reintroduced cranes face welfare challenges during the adaptation from hand-rearing to wild life. Crane chicks raised with minimal human imprinting using crane costumes and minimal contact show better post-release survival than those reared conventionally. Adult cranes disturbed at nest sites abandon eggs, causing breeding failure. Winter food provisioning by RSPB reduces starvation risk but creates concentrations that can spread disease. Cranes injured through collision with power lines or fences require specialist rehabilitation. The long-term welfare success of the UK crane population depends on wetland habitat management, power line marking, and protection from disturbance during breeding.