get a eagle owl,my mate knows of a chap in the midlands,on a loft visit,who has one. he lets it out to do a sweep of the garden in the morning. keeps it in a shed,at the very end of his lofts,yes he was astonished when he peeked into the shed very tame to,it had a perch at the end of the garden it flew to,and back,into its shed HE DID HAVE PEREGRINE PROBLEMS...BUT NO MORE HAWK PROBLEMS SINCE HE GOT THE EAGLEOWL I KID U NOT. atb