Meat-eating dinosaur helps unravel how birds evolved breathing system [Archive] - In Search of Chicas

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NewsWhore

09-30-2008, 07:43 AM

The remains of a big predatory dinosaur, discovered along Rio Colorado river banks in Argentina, is helping to unravel how birds evolved their unusual breathing system.

More... (http://story.brazilsun.com/index.php/ct/9/cid/24437442923341f1/id/412799/cs/1/)