This undated image provided by the Bruce Museum shows a reconstruction image of the world's largest-ever flying bird, Pelagornis sandersi, as identified by Daniel Ksepka, Curator of Science at the Bruce Museum in Greenwich, Conn. The skeleton was discovered in 1983 near Charleston, but its first formal description was released Monday, July 7, 2014, by the Proceedings of the National Academy of Sciences. The gigantic bird had an estimated wingspan of around 21 feet, about the height of a giraffe. (AP Photo/Bruce Museum, Liz Bradford)
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