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Hypacrosaurus

Hypacrosaurus—a duck-billed dinosaur like Edmontosaurus—has a hollow bony crest on its head. Why do you think they had these? Dr. Egerton shares so...

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Gorgosaurus

Dinosaurs A to Z Videos • 3m 33s

You might think that being top of the Late Cretaceous food chain meant Gorogosaurus had a pretty easy life. As Dr. Egerton explains all of the injuries found on the fossil at The Children’s Museum, you’ll come to a different conclusion!

Up Next in Dinosaurs A to Z Videos

  • Hypacrosaurus
    03:14
    Hypacrosaurus

    Hypacrosaurus

    Hypacrosaurus—a duck-billed dinosaur like Edmontosaurus—has a hollow bony crest on its head. Why do you think they had these? Dr. Egerton shares some paleontologists’ theories about these adult Hypacrosaurus crests.

  • Iguanodon
    03:35
    Iguanodon

    Iguanodon

    This spike-thumbed beast was one of the first dinosaurs to be named. As Dr. Egerton explains, scientists’ understanding of Iguanadon has gone through some significant changes since its discovery in the 19th century.

  • Jobaria
    03:06
    Jobaria

    Jobaria

    This giant sauropod was discovered in the Sahara Desert. How could a dinosaur like Jobaria grow so big in the middle of a desert? Dr. Egerton explains how environments were different in the Jurassic Period.

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