The comparatively short sight radius of a handgun and typically less powerful ammunition than used with rifles, means that any handgun hunter must stalk closer to the prey in order to kill the animal humanely, giving said animal more chance of detecting and avoiding the hunter.
Due to the handgun's limited shooting distance and less potent bullets, hunters must get closer to their prey in order to humanely kill it, thereby giving the animal a greater chance of detecting and avoiding the hunter.