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T. rex

T. Rex

An astonishing adolescent growth spurt accounts for T. rex's enormous size.

Growing Up T. Rex

In this interactive, see how lines on a T. rex's rib reveal both its age and its appetite.

Name That Sound

Can you guess what this T. rex-related sound is?

Ask the Expert

Richard Kissel of Chicago's Field Museum answers viewer questions about T. rex.


 
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