https://en.wikipedia.org/wiki/Tyrannosaurus

Tyrannosaurus is a genus of coelurosaurian theropod dinosaur. The species Tyrannosaurus rex often called T. rex or colloquially T-Rex, ...

https://www.nationalgeographic.com/animals/prehistoric/tyrannosaurus-rex/

Common Name: Tyrannosaurus Rex. Scientific Name: Tyrannosaurus rex. Type: Prehistoric Animals. Diet: Carnivore. Size: 40 feet long; 15 to 20 feet tall.

https://www.quora.com/What-is-the-size-of-a-Tyrannosaurus-rex

Tyrannosaurus rex the North American juggernaut The largest and most complete Specimens of Tyrannosaurus rex that we have so far are ...

https://www.livescience.com/23868-tyrannosaurus-rex-facts.html

Oct 17, 2017 ... T. rex may be big, but its predecessors were small. The first tyrannosaurs, which were human- to horse-size, originated about 170 million years ...

https://www.scienceabc.com/nature/animals/giganotosaurus-vs-t-rex-size-comparison-intelligence-body-structure.html

The Tyrannosaurus Rex is without a doubt one of the coolest dinosaurs that ever lived. With its enormous size, speed, and killer (literally) jaw power, it's hard to ...

https://www.amnh.org/dinosaurs/tyrannosaurus-rex

The first T. rex fossil was discovered by a curator from the American Museum of Natural ... Growth rings indicate the T. rex grew quickly, reaching adult size as a ...

https://www.amnh.org/exhibitions/dinosaurs-ancient-fossils-new-discoveries/theropod-biomechanics/the-problem-of-size

Apart from size, T. rex shares some features with fast animals alive today. Like the speedy ostrich, T. rex had long legs for its body size, especially the portion of  ...

https://www.enchantedlearning.com/subjects/dinosaurs/dinos/trex/

T. rex's neck was short and muscular. Its body was solidly built but its bones were hollow. SIZE Tyrannosaurus rex was up to 40 feet (12.4 m) long, about 15 to 20 ...

https://www.youtube.com/watch?v=MIFPHmRSgnc

Oct 30, 2018 ... Theropod dinosaurs bigger than T.rex may be out there, but the giant T.rex won't give up its crown as the biggest theropod dinosaur yet.

https://www.history.com/news/worlds-biggest-t-rex-canada-scotty-dinosaur

Mar 26, 2019 ... "This is the rex of rexes," Persons said in a statement. "There is considerable size variability among Tyrannosaurus. Some individuals were ...