[ad_1] (CNN) – You may have thought that Big Bird was incredibly gigantic, but it's still not the biggest bird to have ever walked on Earth. This honor goes to the elephant …
Read More »Elephant birds were blind, nocturnal and larger than Big Bird
[ad_1] For reference, Big Bird's "Sesame Street" stands at 8 feet, 2 inches. New research suggests that giant birds unable to fly, which died out between 500 and 1,000 years ago, were …
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