Sort by:
When Dinosaurs Roamed America: Coelophysis (1:12)
On The Discovery Channel series, "When Dinosaurs Roamed America," we learned about the Coelophysis and how they were once one of the fastest dinosaurs to roam the earth.
When Dinosaurs Roamed America: Preserved Footprints (1:02)
Muddy dinosaur footprints preserved in the earth give scientists insight on which dinosaur species lived where and how many species interacted in one area. Learn more in this clip from Discovery Channel's "When Dinosaurs Roamed America."
When Dinosaurs Roamed America: Patagosaurus (2:51)
In the Discovery Channel series "When Dinosaurs Roamed America," viewers learn about the Patagosaurus. This huge herbivorous dinosaur swept its long neck side to side to graze like a vacuum on low-lying ferns and grass.
When Dinosaurs Roamed America: Syntarsus Hunters (2:38)
On the Discovery Channel series "When Dinosaurs Roamed America," we learn about the Syntarsus. Although small in stature, these 10 foot dinosaurs hunted in packs and were deadly to larger dinosaurs.
When Dinosaurs Roamed America: Triassic Period (2:03)
On the Discovery Channel series, "When Dinosaurs Roamed America," we learn about the Triassic Period. This was a time when reptiles ruled the earth. Some of these reptiles were docile plant-eaters while others were deadly predators.

