The Defenders

December 13, 2009
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Clash of the Dinosaurs - S1 - E3

The Defenders

Predators didn't dominate the Cretaceous period - plant-eaters did. And their bodies were built to take a beating. The latest science reveals the anatomical secrets that made the earth's largest vegetarians successful.

Clash of the Dinosaurs: Season 1 - 4 Episode s


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