Stream ItPerfect Predators
The Cretaceous Period spawned walking death machines with a savage combination of speed, eyesight, brainpower, and razor-sharp implements. The latest science reveals the anatomical secrets of these bloodthirsty carnivores.
Aired: Dec 06, 2009 Genre: DocumentaryCasts: Robert Bakker Peter L. Larson Timothy Larson Richard CoyleProducers:Duration: 44m Rating: 0 Country: United States of America Production: Dangerous Films
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