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What is it Like to Discover a New Dinosaur Species?

Close-up photo of beige fossil of hatchling dinosaur on a red background (Nodosaurus sp.). Discovered in the United States.
Amateur paleontologist Ray Sanford describes his remarkable find of the first fossil hatchling dinosaur ever discovered in the United States. While looking for tracks, he came across impressions and...

How Paleontologists Identify Dinosaur Teeth

Close-up photo of green, red, and beige dinosaur tooth fossil, from a video by the National Museum of Natural History
Paleontologist Dr. Matthew Carrano shows how dinosaur teeth can be identified. Different tooth shapes indicate different dinosaur diets. Video from the National Museum of Natural History: Dinosaurs...

Nation's T. rex: Skeleton

Black and white drawing of The Nation’s T. rex, one of the largest and most complete T. rex specimens ever discovered.
The Nation’s T. rex is one of the largest and most complete T. rex specimens ever discovered, with 80–85 percent of the skeleton recovered. The fossil specimen arrived at the National Museum of...

How Do We Know What Dinosaurs and other Extinct Animals Ate?

Close up photo of tiger and horse skulls on a table, used to compare their teeth explain what extinct animals ate.
National Museum of Natural History scientist Dr. Nick Pyenson explains how paleontologists get information about what dinosaurs and other extinct animals ate. Comparing modern to fossil dentition, he...

How Do We Know How Dinosaurs Moved?

Dr. Matthew Carrano kneeling in front of a display case that has the skeleton of a Brown Bear.
Dr. Matthew Carrano explains how paleontologists figure out how extinct animals moved. He shows how limb shapes and positions reflect adaptations for different types of locomotion. Video from the...
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