Duck-billed dinos once traveled in herds across the Arctic

July 10, 2014 1:10 AM

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Multi-generational herds of duck-billed hadrosaurs once thrived in Alaska’s polar regions, a new study says.

Duck-billed dinosaurs, or hadrosaurs, roamed the Arctic some 70 million years ago in multi-generational herds, according to three paleontologists who discovered an amazing new tracksite in Alaska’s Denali National Park. Their study, which appears in the journal Geology, also shows these herds thrive...

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