‘Substantial’ increase in grey squirrels in England is concerning, campaigners say

Grey squirrels were found in 69% of sites across northern England, up from 62% in 2023. Red squirrels were found in 52% of sites, up from 50%. Photograph: Denis Thorpe/The Guardian

Campaigners are concerned about the rising presence of grey squirrels in England’s last remaining strongholds of reds.

An annual distribution survey of about 250 sites in woodlands and gardens across northern England shows that occupancy figures for red and grey squirrels are increasing – but they are rising more steeply for greys.