Dinosaur Tracks Found in Alaska Shows Thriving Ancient Ecosystem

July 10, 2014 8:41 PM

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Dinosaur Tracks Found in Alaska Shows Thriving Ancient Ecosystem

A dinosaur track site discovered in Alaska's Denali National Park leads scientists to believe that many animals lived in the polar region millions of years ago. The thousands of tracks found are mostly from herds of duck-billed animals called hadrosaurs, among other species.

A dinosaur track site discovered in Alaska's Denali National Park leads scientists to believe that many animals lived in the polar region millions of years ago. The thousands of tracks found are mostly from herds of duck-billed animals called hadrosaurs, among other species.

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