Dinosaurs StegosaurusThe huge boney plates on the Stegosaurus' back are pretty impressive. Most of the time, though, the herbivore is a peaceful soul. But if you disturb it while it's grazing or annoy it, things might get uncomfortable. It may lash out with its imposing spiked tail. So you'd be better off making friends with the nine meter long prehistoric giant! The Stegosaurus is easy to spot from afar, and not only because it's so huge: the fiery red double row of