Amazing scientific discovery! Dinosaurs leave butt prints!

Scientists Find Dinosaur Tracks in Utah

SALT LAKE CITY - Amid well preserved dinosaur footprints along what used to be the shores of a prehistoric lake in southern Utah, scientists have found the rare signs of a dinosaur's posterior.

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It appears the 20-foot-long dinosaur, likely related to dilophosaurus, sat down, stood up, walked a few paces and sat down again before walking away. [Yahoo! News]