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Tyrannosaurus rex was 42 feet long and it had 7 to 9 tons of weight.
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During the period of rapid growth, which lasted 4 years (from the age of 14 to 18), Tyrannosaurus rex was able to gain 1500 pounds of weight per year.
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Name "Tyrannosaurus rex" means "king of the tyrant lizards". Name refers to the ferocious nature this dinosaur.
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Tyrannosaurus rex had large head, thick skull, short, muscular neck, powerful hind legs and long tail which served as a counterbalance for the huge head. Its arms were short and equipped with two fingers with sharp claws.
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Tyrannosaurus rex walked on two legs. According to some studies, it was able to reach the speed of 10 to 25 miles per hour.
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Tyrannosaurus rex had excellent binocular vision and keen sense of smell, which were used for the identification of potential prey.
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Tyrannosaurus rex was a carnivore (predator and scavenger). Its diet was based on herbivorous dinosaurs such as Triceratops, Edmontosaurus and hadrosaurs.
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Tyrannosaurus rex also consumed carcasses of the members of its own species (phenomenon known as cannibalism). This fact is based on teeth marks on the bones of excavated fossils of Tyrannosaurus rex.
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Tyrannosaurus rex had 4-feet-long jaws filled with 50 to 60 sharp teeth. They were conical in shape, serrated on the edges and 12 inches long (much larger compared with teeth of other carnivorous dinosaurs).
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Tyrannosaurus rex had the stronger bite than any other animal that ever lived on the planet.
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Scientists believe that Tyrannosaurus rex was able to grab 500 pounds of meat in a single bite.
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Based on the fossil data of closely related species, some experts suggest that Tyrannosaurus rex was at least partially covered with feathers during some part of its life.
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Tyrannosaurus rex had an average lifespan of 26 years.
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Together with Iguanodon and Stegosaurus, Tyrannosaurus rex served as an inspiration for the creation of Godzilla.
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The most expensive skeleton of dinosaur that was ever purchased was 85% complete skeleton of Tyrannosaurus rex called "Sue" (named after Sue Hendrickson who found it). Field Museum of Natural History in Chicago bough "Sue" for 7.6 million dollars in 1997.
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