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A photo of Tyrannosaurus Rex (Tyrannosaurus rex)

Photo: Copyright © 2005 David Monniaux · CC BY-SA 3.0 · via Wikimedia Commons

DinosaurExtinct

Tyrannosaurus Rex

Tyrannosaurus rex

Pronounced ty-RAN-oh-SOR-uhs REKS

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Overview

Tyrannosaurus rex was one of the largest land predators to ever exist, dominating the ecosystems of western North America at the very end of the Cretaceous period roughly 66-68 million years ago.

Appearance

It had a massive skull filled with thick, banana-sized serrated teeth, tiny two-fingered forelimbs, and powerful hind legs built to support its enormous weight.

Habitat & Distribution

The tyrannosaurus rex is found in forest, grassland habitats.

North America
Interactive distribution map coming soon

Diet & Behavior

Diet: CarnivoreMeat-eating animals that hunt, scavenge, or fish for prey, ranging from big cats to snakes and birds of prey.

Fossil evidence suggests T. rex had an extraordinarily powerful bite capable of crushing bone, acute senses of smell and hearing, and may have hunted both alone and in loose groups.

Predators

Adults have no significant natural predators.

Prey

  • Triceratops
  • Edmontosaurus
  • Other dinosaurs

Interesting Facts

  • 1

    Its bite force is estimated among the strongest of any land animal ever measured.

  • 2

    Despite its size, some evidence suggests T. rex could move at a brisk jogging pace, not a sprint.

  • 3

    Its tiny arms were nonetheless strong enough to lift several hundred pounds.

Tyrannosaurus Rex FAQs

What does a tyrannosaurus rex eat?

The tyrannosaurus rex is a carnivore. Its diet includes triceratops, edmontosaurus, other dinosaurs.

Where does the tyrannosaurus rex live?

The tyrannosaurus rex is found in forest, grassland habitats across north america.

Is the tyrannosaurus rex endangered?

The tyrannosaurus rex has a conservation status of Extinct. Species with no known living individuals remaining, lost forever from the wild.

How long do tyrannosaurus rexs live?

A tyrannosaurus rex's typical lifespan is 28–30 years in the wild.

How fast can a tyrannosaurus rex run?

The tyrannosaurus rex can reach speeds of up to 27 km/h.

How much does a tyrannosaurus rex weigh?

An adult tyrannosaurus rex typically weighs 5,500–9,000 kg.