Ornithomimus
Order: Saurischia · Suborder: Theropoda · Infraorder: Tetanurae · Family: Ornithomimidae
Ornithomimus has been discovered in many sites in the western United States and Canada. Ornithomimids closely resembled the modern ostrich. Although its head was small, Ornithomimus possessed a large braincase and is considered to be one of the most intelligent of the dinosaurs.
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Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.
Frequently asked questions
What does Ornithomimus mean?
The name Ornithomimus means “Bird Mimic”. It is pronounced or-nith-uh-MY-mus.
When did Ornithomimus live?
Ornithomimus lived during the Late Cretaceous.
Was Ornithomimus a carnivore or a herbivore?
Ornithomimus was a carnivore.
How big was Ornithomimus?
Ornithomimus was about 15 feet (4.6 meters) long, around 9 feet (2.7 meters) tall, weighing up to 300 pounds (136 kg).
Related dinosaurs
Other dinosaurs from the Ornithomimidae family.
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