well, this all makes me think of an old movie with Steve martin and Martin Short, the three amigos.
I have no experience with hunting deer yet, I do know how to get close enough to take a good picture with my camera. And as for european deer, it's safe to say that making noises, imitating owls, squirrels or other forest dwellers will make them bambi on out of there.....it might atract other owls or squirrels and you could ask them to tell the deer you mean them no harm....

Frank