1. An unmanned aerial vehicle (UAV) configured to guide a target, said UAV comprising: one or more vision sensors configured to capture at least one image of the target; one or more processors configured to, individually or collectively, recognize the target from the image of the target; an attractor display mechanism configured to display, without human aid or intervention, an attractor to the target when the target is recognized; and one or more propulsion units configured to permit flight of the UAV while the attractor is displayed to the target.