You've heard the cliche: Whitetails know their turf like you know your living room. But when someone rearranges the furniture, you might go to sit on the coffee table. It's the same with deer, says Keith Beam, who primarily hunts in Nebraska and Kansas. "When a farmer cuts a cornfield, it changes the whole immediate environment, and it takes a little while for deer to get their bearings. You need to seize the moment."