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Scientists: Tyrannosaurus rex munched on its own kind - CNN.com
edition.cnn.com
Add cannibalism to the fearsome attributes of Tyrannosaurus rex, the big-headed dinosaur that roamed North America 66 million years ago and took no prisoners.
Study: 2.5 billion T. rex roamed Earth, but not all at once - AP Newsapnews.com › article
apnews.com
· The species roamed North America for about 1.2 million to 3.6 million years, meaning the T. rex population density was small at any one moment.
How many T. rexes were there? Billions. | Berkeley News
news.berkeley.edu
· painting of three T. rex. Over approximately 2.5 million years, North America likely hosted 2.5 billion Tyrannosaurus rexes, a minuscule ...
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