|Origin:||western North America and in Mongolia|
|Size:||40 feet (12.4 m) long and about 15 to 20 feet (4.6 to 6 m) tall|
|Weight:||5 to 7 tons|
|Lifespan:||estimated 30 years|
Tyrannosaurus Rex means 'Tyrant Lizard'.
The largest T-Rex tooth found is 12 inches (30 cm) long.
A T-Rex could sprint an estimated 20 mph (32 kph).
T-Rex arms were only 3 feet long, very small relative to its body