They strip bark from trees to get at the soft tissue beneath.

They carry a virus that has devastated red squirrels, prey on songbird nests and strip bark from trees such as oak and beech, stopping them growing.

Red squirrels also strip bark from saplings, but perhaps not to the extent that the greys do.

It will strip bark in a search for scale insects.

This will take out the weight, so it doesn't rip away from the trunk before you are ready, stripping bark with it.