In most cases its easier for the bird to see down hill than up because of the uneveness of the terrain,this attributes alot to why the bird will not commit to easy gunrange coming downhill.They pinpoint sound to within a matter of yards and if he cant see her they can and will get suspicious!Hasty set-ups create bad set-ups,take the time to get on the same ridge they are or at least on the same plane or slighty above them!