Teen T. Rex Dinosaur Bones Tell of Fierce Fight

Mike Henderson, curator of Earth sciences at the Burpee Museum, and Reed Scherer, professor of geology and environmental geosciences at NIU, concurred.

T. Rex Territory Was Very Different 60 Million Years Ago

So now, thanks to Jane, scientists know more about the behavior of T. rex in general and juveniles in particular.

These giant beasts, with forward legs that look useless, roamed much of what is now the western United States more than 60 million years ago. At that time, their territory was very different than it is today.

"It was more like the wetlands of the Carolinas today," Peterson said, "with coastal swamps and rivers."

Now, it's "very arid, very dry, with a lot of mud-stone buttes with alternating purple and red bands, and a lot of sagebrush and rattle snakes and scorpions, and we have to battle 114-degree heat," he added.

And all the dinosaurs are gone, except for a few, like Jane, with a story to tell.

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