PHOTOS: Meat-Eating Dino had Birdlike Breathing System

PHOTOS: Meat-Eating Dino had Birdlike Breathing System
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The research team's vehicle is seen on a cliff edge above the site, in Argentina's Patagonia region where the Aerosteon dinosaur was found.

The team, which announced its findings in September 2008, also found crocodiles and other animals at the site, where the climate 85 million years ago resembled a "lush, forested area," Sereno said.
—Photograph by David Varricchio copyright 2008, courtesy of Project Exploration
 
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