While in Corfe this week I spent a couple of mornings walking the Dorset Coastal path between Durlston and Dancing Ledge.  Lots of Peregrine action.  Very interesting as they seem to use the path itself to fly along and stalk other birds before diving down on them.  At one point a Peregrine shot past my head at full speed not more than 10m from me.  Sounded like a jet taking off - amazing noise as it ripped through the air.