If you can place the decoy so that the deer is within your range when it stops at 20 yards, you get your shot. Often, a deer will circle the decoy to check it out, both visually and for smell. When final approaching the decoy, a buck usually tries to come in from the rear on a doe decoy, so it s a good bet to have the decoy facing away from you. A buck approaching a buck decoy often comes in head on, so the decoy should be facing in your direction, but not directly at you. A. First of all, it s the motion that gets the attention.
Deer see motion better than they see detail.
They see better at night than we do for the same reason. A lot of information is gathered this way in the animal kingdom. It s an important location, as is the face of the animal. An alarmed deer would not wag their tail in this manner. At the right time it might be OK, at other times, it might be a mistake.