They are classed as 'at risk' because of the threats to them. 6) Herdwick sheep are 'hefted'; which means they hold (without fences) to a place on the fell (mountain) because they are taught a ...

They are followed by a farmer on a quad bike and his border collie, who keeps the sheep in line as they pause to chew on grass. Mr Hutchinson said: 'These ewes are 'hefted' to this ground ...