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dinosaur
Table of Contents
References & Edit History Quick Facts & Related Topics
Images, Videos & Interactives
dinosaurs to scale dinosaur phylogeny
Find out whether dinosaurs really had feathers
How were dinosaurs discovered?
Archaeopteryx: The holy grail of fossils
Dinosaur National Monument fossil
Learn about the discovery of dinosaur “Sue” and the competition between collectors
The origins of birds.
Silhouette of a bird with outstretched wings holding a "Hello, my name is ?" badge, next to a set of four large, weathered bones on a dark background.
For Students
dinosaur summary
Quizzes
Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters
Animal Group Names
Lion (panthera leo)
Deadliest Animals Quiz
Young chimpanzee dressed in a shirt and sweater vest, scratching his head thinking. (primates)
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Mute swan with cygnet. (birds)
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Model of a molecule. Atom, Biology, Molecular Structure, Science, Science and Technology. Homepage 2010 arts and entertainment, history and society
Science Quiz
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Read Next
Tyrannosaurus Rex attacking two Struthiomimus dinosaurs.
Did Dinosaurs Really Have Feathers?
illustration of the walking titanosaurus, Patagotitan mayorum
Titanosaurs: 8 of the World's Biggest Dinosaurs
Three parasaurolophus stand on a rock beach. Pterasaurs fly over head and a small mammal watches the dinosaurs as they meander along the water's edge.
What Happened to the Dinosaurs?
Therizinosaurus, theropod, dinosaur
6 Awesome Dinosaur Species You Should Know
Illustration of a group of Brachiosaurus dinosaurs in the water. Sauropod late Jurassic to early Cretaceous
Did Humans Live at the Same Time as Dinosaurs?
Discover
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dinosaur: Facts & Related Content

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News •

Love fruit? Thank dinosaur mass extinction : Short Wave • Mar. 13, 2025, 10:22 PM ET (NPR)
In pictures: Weymouth enjoys its second Chase the Dinosaur event • Feb. 16, 2025, 7:12 AM ET (BBC)

Facts

Also Known As Dinosauria

Photos and Videos

dinosaurs to scale
dinosaur phylogeny
Dinosaur National Monument
fossil
Plateosaurus
Iguanodon
Compsognathus
Troodon
Coelophysis
Eoraptor
Find out whether dinosaurs really had feathers
How were dinosaurs discovered?
Archaeopteryx: The holy grail of fossils
Learn about the discovery of dinosaur “Sue” and the competition between collectors
Silhouette of a bird with outstretched wings holding a "Hello, my name is ?" badge, next to a set of four large, weathered bones on a dark background.
See All Videos, Images and Interactives →

Related Topics and References

Topics

Key People

Sir Richard Owen, detail of an oil painting by H.W. Pickersgill, 1845; in the National Portrait Gallery, London
Richard Owen
British anatomist and paleontologist
Paul Sereno
American paleontologist
John Ostrom
American paleontologist
Edward Drinker Cope, c. 1889
Edward Drinker Cope
American paleontologist
Marsh, Othniel Charles
Othniel Charles Marsh
American paleontologist
Henry Fairfield Osborn
Henry Fairfield Osborn
American paleontologist
Mantell, detail of an engraving
Gideon Algernon Mantell
British paleontologist
Edwin H. Colbert
American professor, curator, and paleontologist
Barnum Brown
American paleontologist
Earl Douglass
American paleontologist

Related Quizzes and Features

Quiz
Lion (panthera leo)
Deadliest Animals Quiz
Young chimpanzee dressed in a shirt and sweater vest, scratching his head thinking. (primates)
Wild Words from the Animal Kingdom Vocabulary Quiz
Encyclopaedia Britannica thistle graphic to be used with a Mendel/Consumer quiz in place of a photograph.
27 True-or-False Questions from Britannica’s Most Difficult Science Quizzes
vulture. An adult bearded vulture at a raptor recovery center. The Gypaetus barbatus also known as the Lammergeier or Lammergeyer, is a bird of prey and considered an Old World vulture.
Animal Factoids
Model of a molecule. Atom, Biology, Molecular Structure, Science, Science and Technology. Homepage 2010 arts and entertainment, history and society
Science Quiz
Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters
Animal Group Names
Mute swan with cygnet. (birds)
Match the Baby Animal to Its Mama Quiz
List
illustration of the walking titanosaurus, Patagotitan mayorum
Titanosaurs: 8 of the World's Biggest Dinosaurs
Two dinosaur heads showing feeding habits: meat eater ceratosaurus, plant eater psittacosaurus, dinosaurs
5 Questions About Dinosaurs Answered
Therizinosaurus, theropod, dinosaur
6 Awesome Dinosaur Species You Should Know
illustration of the walking titanosaurus, Patagotitan mayorum
Titanosaurs: 8 of the World's Biggest Dinosaurs
Demystified
Three parasaurolophus stand on a rock beach. Pterasaurs fly over head and a small mammal watches the dinosaurs as they meander along the water's edge.
What Happened to the Dinosaurs?
Three parasaurolophus stand on a rock beach. Pterasaurs fly over head and a small mammal watches the dinosaurs as they meander along the water's edge.
What Happened to the Dinosaurs?
Illustration of a group of Brachiosaurus dinosaurs in the water. Sauropod late Jurassic to early Cretaceous
Did Humans Live at the Same Time as Dinosaurs?
Tyrannosaurus Rex attacking two Struthiomimus dinosaurs.
Did Dinosaurs Really Have Feathers?
Pterodactyl Fossil. Pterodactilus Spectabilis
Why Are Pterodactyls Not Dinosaurs?