This undated photo provided by the Carnegie Museum of Natural History on March 18, 2014 shows a reconstruction of the skeleton of the dinosaur Anzu wyliei. The birdlike animal, about 7 feet tall, ... more 
This undated photo provided by the Carnegie Museum of Natural History on March 18, 2014 shows a reconstruction of the skeleton of the dinosaur Anzu wyliei. The birdlike animal, about 7 feet tall, weighed an estimated 500 pounds when it roamed western North America around 66-68 million years ago. Nicknamed the "chicken from hell," the creature was formally introduced with an official name to the scientific community Wednesday, March 19, 2104 as scientists published a description and analysis of its anatomy. (AP Photo/Carnegie Museum of Natural History) less 
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Associated Press | Photo By Carnegie Museum of Natural History
Wed, Mar 19, 2014 5:03 PM EDT