Dartford warbler stages a comeback 60 years after almost vanishing

Survey shows 44% increase on RSPB reserves of bird that almost became extinct in England in the 60s

More than half a century after the Dartford warbler almost vanished from the English countryside, the charismatic heathland bird appears to be staging a comeback.

A survey has revealed the highest number of Dartford warblers ever recorded on reserves run by the bird conservation charity RSPB, with 264 pairs counted in 2025, a 44% increase in five years.