Largest flying bird ever had a wingspan of at least 20 feet, say scientists

... remarkable species,"study author Daniel Ksepka, a paleontologist and curator of science at the Bruce Museum in Greenwich, Connecticut, told Live Science. "It really pushes the limits of how big we think flying birds can get. Getting a chance to add ...

http://www.csmonitor.com/Science/2014/0708/Largest-flying-bird-ever-had-a-wingspan-of-at-least-20-feet-say-scientists