One of the largest dinosaurs that ever lived, Tyrannosaurus rex
was a fierce carnivore. Scientists believe this powerful predator could
eat up to 500 pounds (230 kilograms) of meat in one bite.
Tyrannosaurus rex was one of the largest meat-eating
dinosaurs that ever lived. Everything about this ferocious predator,
from its thick, heavy skull to its 4-foot-long (1.2-meter-long) jaw, was
designed for maximum bone-crushing action.
Fossil evidence shows that Tyrannosaurus
was about 40 feet (12 meters) long and about 15 to 20 feet (4.6 to 6
meters) tall. Its strong thighs and long, powerful tail helped it move
quickly, and its massive 5-foot-long (1.5-meter-long) skull could bore
into prey.
T. rex's serrated, conical teeth were most
likely used to pierce and grip flesh, which it then ripped away with its
brawny neck muscles. Its two-fingered forearms could probably seize
prey, but they were too short to reach its mouth.
Scientists believe this powerful predator could eat up to 500 pounds (230 kilograms) of meat in one bite. Fossils of T. rex prey, including Triceratops and Edmontosaurus, suggest T. rex crushed and broke bones as it ate, and broken bones have been found in its dung.
Tyrannosaurus rex
lived in forested river valleys in North America during the late
Cretaceous period. It became extinct about 65 million years ago in the
Cretaceous-Tertiary mass extinction.
Fast Facts
- Type:
- Prehistoric
- Diet:
- Carnivore
- Size:
- 40 ft (12 m) long; 15 to 20 ft (4.6 to 6 m) tall
- Protection status:
- Extinct
- Did you know?
- Tyrannosaurus means "tyrant lizard."
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