Dragons are usually thought to have wings and breathe fire. They also are said to have scales and claws. Some also have horns. Almost always they are said to be venomous. Some dragons may have two or more heads. They may also have more than one tail. They may have two, four or even more legs; however, most are known to have four legs. Dragons are said to eat things such as rats, birds, snakes, bats, or even humans, especially children.