Well everything goes over ma head delboy lol After looking thru the Internet Am goin to try with food dye to try and I mean try to put the colours of a hawks eye on my white birds wings and back btw had whites for a few years now and still to see one took by the hawk A good tip that works for me only around the loft is windows anyone that knows where I fly too knows that's there's busses all around the loft the hawks don't come near loft as soon as the see there reflection there off in a shot my birds are getting hit when there ranging a distance from the loft