What Ultra High Speed Footage Penguin Footage Reveals About Pliosaurs

How did the pliosaurus, a 45-foot-long underwater prehistoric predator, keep up with its prey? A biomechanics expert finds answers by observing an unlikely present-day equivalent: the penguin.

from Videos | Smithsonian http://www.smithsonianmag.com/videos/what-ultra-high-speed-footage-penguin-footag/
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