TYRANNOSAURUS

Tyrannosaurus, better known as T Rex lived during the Cretaceous Period of the Mesozoic Era.

T. Rex ate a huge amount of meat, about as much as six average sized humans a day. That's about a half a ton a day and depending on size, it could possibly eat more.

Mother Tyrannosaurs would often stay around for months after its young was hatched. They would also challenge their mates once they were done with them, and if the male did not leave, the female would attack.

T-Rex hatchlings were surprisingly small compared to their gargantuan parents. They would often only be the size of a large chicken at birth. Their eggs were only about the size of a bowling ball.

Sue

• Largest T Rex specimen
• Displayed at Field Museum of Chicago
• about 40 feet in length and 13 feet high at the hips
• Head so large, the skeleton has a cast skull
• Most complete specimen

Tyrannosauroidea
Species

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