Clash of the Dinosaurs

The Defenders

Documentary

S1, E3: Predators did not dominate the Cretaceous Period, plant eaters did. Science reveals the secrets that made the world's largest vegetarians such successful survivors.

10 Dec 2009 · 42m

Information

Released
2009
Run Time
42 min
Region of Origin
United States
© 2009 Discovery Communications Inc.

Languages

Original Audio
English
Audio

English (United States) (AAC)