Stegosaurus

Today we were learning about stegosaurus. But stegosaurus mean R00fed lizard. They are herbivore which means they eat plants. But they have a spicked tail they use as a weapon. They came from the Jurassic period.the stegosaurus  weig he'd 2 tonnes and they are  length about 30 mentres. There brain is like a walnut and there spikes on there backs are called plates and  they cannge colour when they are scared the end.