Maiasaura, a hadrosaur, on boulders atop a hill. This duck billed dinosaur, now extinct, was an herbivore that lived during the cretaceous period.
Maiasaura, a hadrosaur, on boulders atop a hill. This duck billed dinosaur, now extinct, was an herbivore that lived during the cretaceous period.
Daniel Eskridge/Shutterstock.com