National Geographic: Sky Monsters

"Common sights in the skies for 150 million years, pterosaurs nevertheless remain a Paleolithic mystery to modern scientists. Now, thanks to the art of computer animation and the innovative thinking of National Geographic, the mystery of the pterosaur is revealed as a team of engineers illustrate just how these gigantic creatures could take to the sky by creating a fully flight-capable mechanized pterosaur, and state of the art computer graphics paint a vivid portrait of just what the crowded skies of the Jurassic-era may have looked like."