Tyrannosaurus rex dinosaurs lived during the late Cretaceous period, which was about 65 million years ago, on a continent named Laramidia. Laramidia is now part of North America. The name Tyrannosaurus rex means "tyrant ... More »

www.reference.com Pets & Animals Dinosaurs

Birds evolved from dinosaurs, and some dinosaurs were warm-blooded. Mammals existed at the same time as dinosaurs, and most dinosaurs were vegetarian. Many dinosaurs had some form of intelligence as well. More »

www.reference.com Pets & Animals Dinosaurs

One fun fact about the Tyrannosaurus rex is that the word "rex"comes from a Latin word meaning "king," while the word "tyrannosaurus" comes from a Greek word meaning "tyrant lizard." The T. rex lived in western North Ame... More »

Tyrannosaurus Rex lived during the late Cretaceous period; this was approximantely 67 to 66.5 million. The species lived during the final age of dinosaurs on Earth until a catastrophic extinction event eventually eradica... More »

www.reference.com Pets & Animals Dinosaurs

The Tyrannosaurus rex was a carnivore and one of the largest meat-eating dinosaurs on Earth. It could consume nearly 500 pounds of meat in a single bite. The term "tyrannosaurus" means tyrant lizard. More »

The Tyrannosaurus rex, like other dinosaurs and their surviving modern-day bird relatives, reproduced sexually. The female then laid fertilized eggs from which newborn tyrannosaurs would hatch. More »

Tyrannosaurus rex primarily ate herbivore dinosaurs, including the Edmontosaurus and the Triceratops. Studies suggest that the Tyrannosaurus rex also practiced cannibalism. Paleontologists believe that if two Tyrannosaur... More »