This document provides information about two dinosaurs: Velociraptor and Tyrannosaurus. It describes key details about each such as their names, sizes, weights, diets, periods they lived in, and locations. Velociraptor was a smaller theropod that lived 80 million years ago in Mongolia, while Tyrannosaurus was a much larger theropod that inhabited North America 65 million years ago. The document also notes the vast range in sizes of dinosaurs, from the smallest being chicken-sized to the largest exceeding 100 feet in length.