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Tyrannosaurus Rex

Size (real life)

40 - 50ft (12 - 13.5 metres)

Size (in Ice Age 3)

80ft (24 metres)

Size Difference

35 - 40ft (10.5 - 12 metres)

Spinosaurus

Size (real life)

60ft (18 metres)

Size (in Ice Age 3)

120ft (36 metres)

Size Difference

60ft (18 metres)

(if Rudy is a Spinosaurus)

Ice Age 3 creators revealed that Momma Dino was 80 feet long, almost twice as long as a normal T-rex was. Rudy was stated to be 40 feet longer than Momma Dino, making him 120 feet long. This brings up the interesting fact that while Momma Dino was twice as large as a normal T-rex, Rudy was twice the size of a Spinosaurus. Maybe Rudy is a Spinosaurus, and he has just lost his sail.


We will probably never know...