Tyrannosaurus rex are pre-historic animals living around 65 million years ago. Thus, none of the early-day humans have watched them in reality. It is because early humans appeared around 20 million years ago. But thanks to paleontologists (scientists who study fossils of animals, plants, and other living things) who have through their intense research and
T. rex Diet
Life will find a way: could scientists make Jurassic Park a reality?, Cloning
Tyrannosaurus rex, facts and photos
SCIplanet - Abel: The T-Rex of Ancient Southern Continents
Tyrannosaurus (T-Rex), Habitat + Lifestyle + Diet, rex
Why the Tyrannosaurus Rex had such a voracious appetite
Tyrannosaurus Rex - Kids, Britannica Kids
Were the dinosaurs, Triceratops and Tyrannosaurus rex alive at the same time? - Quora
Dinosaurs Everywhere
Were all large dinosaurs herbivores? Why were there no carnivorous species that reached lengths greater than Tyrannosaurus rex (and other giant predators)? - Quora
Discover the 13 Cutest Dinosaurs of All Time! - Before The Flood