A curious teenager in Argentina has discovered the fossil skull of the biggest bird ever found -- a swift, flightless predator 10 feet tall that pursued its prey across the steppes of Patagonia 15 ...

Discovery of the Biggest Bird That Ever Flew Rewrites Our Planet's Histories and Mysteries Published Jul 08, 2014 at 9:15 AM EDT Updated Feb 21, 2016 at 7:15 PM EST ...

Scientists have identified the largest flying bird ever found—an ungainly glider with a wingspan of 21 feet or more that likely soared above ancient seas 25 million years ago.

But no, it wasn't T. rex at all; it was a fossil from the largest bird-like creature ever seen, Xu said. More than 26 feet long and 16-1/2 feet tall, it was a young adult that must have weighed at ...

The extinct seabird Pelagornis sandersi may be the biggest flying bird ever found, with a wingspan of up to 7 metres. It lived about 25 million years ago. (Liz Bradford) ...

It's a bird, it's a plane, it's a bird the size of a (really small) plane! In the Proceedings of the National Academy of Sciences, paleontologist Daniel Ksepka describes the extinct Pelagornis ...

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Found soaring over the rugged landscapes of South America, this raptor boasts a staggering wingspan of up to 3.3 meters ... (154 pounds)—making it the largest flying bird to ever exist.

Behold the ultimate Big Bird — a seabird called Pelagornis sandersi, which probably needed a running start to take to the air with 24-foot-wide wings.

The largest nest ever known to have been constructed was found in 1963 in Florida, USA. Used for 34 years until the tree it was built in blew down, it weighed a staggering 2,722 kilogrammes. The ...