Tyrannosaurus Rex Facts for Kids

Most of you will already know the famous Tyrannosaurus Rex from Jurassic Park. However, there are many other facts that you may not know about this dinosaur that is commonly called T-rex. Did you know that it flourished during the Cretaceous period, about 66 million years ago? Or did you know that it lived in the region, which now forms North America? If not check out these great Tyrannosaurus rex facts for kids that we have found.



Photo Credit: Lehigh Valley, PA under CC license 2.0

You are Huge!

The T-rex was the largest predatory dinosaur living on land. According to fossil evidence, it was a massive 43 feet in length and weighed up to 7.5 tons.

Your Teeth are Even Bigger

The Tyrannosaurus rex must have made an intimidating predator when it lived. It’s huge skull, 1.5 meters (5 feet) in length, held about 50 to 60 razor-sharp teeth. Some of these teeth were 9 inches in length! When consuming its prey, the T-rex used to crush the bones. In fact, fragments of bones have been found in fossilized dung of the T-rex. The teeth of the T-rex were serrated and shaped like a cone.

Four-Legged Dinosaur Walked on Two Legs!

The T-rex was bipedal, which means that it walked on its two hind legs. Well, walking on all four would have been quite difficult, considering that its forelegs were tiny and two-toed! The hind legs of the Tyrannosaur were strong and powerful enough to carry its massive weight.

What’s on the Menu?

Researchers are still debating whether the T-rex was a predator or a scavenger. While some reckon it was a predator, others contend that it was a scavenger. We will leave this debate to the scientific community. There is no doubt that the Tyrannosaurus rex was a carnivore. It ate other animals and dinosaurs that lived during the Cretaceous period.

What Bad Breath You Have!

In all certainty the T-rex never flossed or brushed its teeth. So this would explain why paleontologists feel that the Tyrannosaurus rex must have suffered from bad breath. The T-rex must have had pieces of rotten meat lodged between its teeth and this not only must have given the dinosaur bad breath, it also must have made its bite poisonous, as the rotting meat pieces must have been infested with bacteria. So, experts believe that if a T-rex even bit its prey, the wound would have killed the prey slowly but surely.

Tyrannosaurus Fossils

Tyrannosaurus Fossil

Photo Credit: Greg Goebel under CC license 2.0

My Girlfriend is Taller than Yours!

Paleontologists believe that female T-rex must have been bigger and heavier than the males. This trait is known as sexual dimorphism. The reason for this is actually quite simple and logical. A female had to look after its eggs from predators and also feed its young. So a female Tyrannosaurus rex would have to be more powerful and strong to take care of her young.

Interesting Facts about Tyrannosaurus Rex

  • Owing to its huge size, a T-rex could cover 15 feet by just taking a single step
  • It could run about 20 mph
  • The lifespan of a T-rex was about 30 years
  • T-rex was not a cold-blooded reptile. All evidence points that these reptiles were warm-blooded
  • A Tyrannosaurus rex could eat 500 pounds of meat in just one bite
  • Paleontologists believe that baby T-rexes were born with feathers
  • The T-rex had more than 40 bones in its long and powerful tail

You can find out more about Tyrannosaurus using the links below.





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