Definition
Hadrosaurus is a genus of duck-billed dinosaurs, closely related to other hadrosaurs. Itβs considered one of the most complete dinosaur skeletons ever found in North America. These creatures roamed during the Late Cretaceous period, munching on vegetation. Picture them as prehistoric cows grazing in vast plains. π They're significant because they helped shape our understanding of dinosaur anatomy and behavior. Hadrosaurus are important historical fossils.