Clash of the Dinosaurs S1E1: The Defenders

Aired: 2009-12-06
Time: 20:00:00
Runtime: 45 minutes

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Overview

Predators don't dominate the Cretaceous, plant eaters do. And their bodies are built to take a beating. The latest science reveals the anatomical secrets that made the world's largest vegetarians such successful survivors in a world of claws and teeth.

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