Polar Dinosaurs Endured Cold Dark Winters

Polar dinosaurs such as the 4.4-ton duckbillEdmontosaurus are thought by some paleontologists to have been champion migrators to avoid the cold, dark season. But a study now claims that most of these beasts preferred to stick closer to home despite potentially deadly winter weather.

I never heard of "polar dinosaurs" before.  Pooch.

http://www.livescience.com/animals/081204-polar-dinosaurs.html

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