I have it figured out how to make a car that is powered by a bird. First, it must be lightweight. Second, get a small cage (covered by a cloth with a string that you can pull to remove the cloth) and put a mouse in it and attach the cage to a pole and the pole to the end of car in the direction you want to go. Third, get a few large Hawks and tie a comfortable, lightweight rope to their leg and tie the rope end to the car. Fourthly, when you are ready to go, pull the cloth off the cage; the Hawks will do their best to catch the mouse and the result will be the pulling of the vehicle. Should I patent this idea?