On the edge of the field you're sitting on the ground in camouflage with a distressed rabbit decoy in front of you. A fox appears out of nowhere in the clearing ahead. As you grip the trigger, a dribble of sweat drips down your face. You're aware that you just have one opportunity. The fox runs to your decoy. You aim, hold your breath, and pull the trigger. Did this moment happen by chance? Not this time because you created a perfect combination of fox calls from your phone that lured…