Ornithomimus

Ornithomimus edmontonicus

Ornithomimus means bird mimic, reflecting its ostrich-like appearance. Recent discoveries show adults had wing-like feathered structures on their arms, while juveniles did not, suggesting the feathers were used for display or brooding.

Physical Description

Measurement Value Human Scale
体长 3.8 m about the size of a human adult
Height 1.4 m —
体重 170 kg about 2 adult humans

Diet & Feeding

Omnivore

Ornithomimus had a varied diet that included both plants and animals. Omnivorous dinosaurs were versatile feeders, able to exploit multiple food sources, which gave them an advantage in changing environments.

Time Period

Cretaceous Late Mesozoic Era

Ornithomimus lived during the Cretaceous Late period of the Mesozoic Era, approximately 100.5 to 66.0 million years ago.

The final age of dinosaurs, featuring iconic species like Tyrannosaurus rex, Triceratops, and Velociraptor. Dinosaurs reached their peak diversity before the catastrophic asteroid impact at the Chicxulub crater ended the Mesozoic Era.

Discovery & Naming

命名者 Othniel Charles Marsh
发现年份 1890
发现地点 Alberta, Canada

分类

Dinosauria → Saurischia → Theropoda → Ornithomimosauria → Ornithomimus

Bird-mimic dinosaurs

Fast-running theropods with toothless beaks resembling modern ostriches. Likely omnivorous. Could reach speeds estimated at 50-60 km/h.

Size Comparison

At 3.8 meters long and 170.0 kg, Ornithomimus was about the size of a human adult and about 2 adult humans.

Other dinosaurs from the same period:

Abelisaurus comahuensis Adasaurus mongoliensis Adynomosaurus arcanus Byronosaurus Byronosaurus jaffei Caenagnathasia

Quick Facts

分类 Ornithomimosauria
地质时代 Cretaceous Late
食性 Omnivore
体型 3.8m long, 1.4m tall, 170.0kg

相关恐龙

Gallimimus Cretaceous Late
Omnivore

常见问题

When did Ornithomimus live?
Ornithomimus lived during the Cretaceous Late period (Mesozoic Era, 100.5–66.0 million years ago).
What did Ornithomimus eat?
Ornithomimus was a omnivore.
How big was Ornithomimus?
Ornithomimus was approximately 3.8 meters long, 1.4 meters tall, weighed around 170.0 kg.
When was Ornithomimus discovered?
Ornithomimus was first described in 1890 by Othniel Charles Marsh, with fossils found in Alberta, Canada.
What type of dinosaur was Ornithomimus?
Ornithomimus belonged to the Ornithomimosauria group, which is part of the larger Theropoda clade.
Where were Ornithomimus fossils found?
Fossils of Ornithomimus were found in Alberta, Canada.
What is the scientific name of Ornithomimus?
The scientific name of Ornithomimus is Ornithomimus edmontonicus.

Compare with Similar Dinosaurs

Ornithomimus vs Gallimimus

Explore More

Cretaceous Late
All dinosaurs from this period
Ornithomimosauria
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Omnivores
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