Ospreys have returned to breed across the UK after extinction, with welfare now dependent on protection of nest sites and fish-rich lakes and rivers.
Osprey welfare is generally good across established populations where nest sites are protected and fish populations are healthy. Persecution risks have diminished compared to historical levels but satellite tag data shows some suspicious disappearances. Climate change affects salmon and trout populations that ospreys depend on. The success of osprey reintroduction offers lessons for other raptor recovery programmes — managed reintroduction combined with public engagement and nest protection delivers welfare and conservation benefits.