Fearsome creature that roamed prehistoric Patagonia was 10 feet tall with a skull larger than a horse's. Argentine fossil points to largest bird ever found - Los Angeles Times ...

The new specimen, described today in the journal PeerJ, is dated to 75 million years ago.It includes parts of the bird’s legs, wings, shoulders, wishbone, tail, and spine, adding up to about 30 ...

As dinosaurs evolved toward birds, he said, they got smaller and smaller, their fossils show. Until now, bird-like dinosaurs were at most 10 or 11 feet long -- certainly not 26 feet, he said ...

2006-10-26 04:00:00 PDT Los Angeles-- 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 ...

MORE: One of the world's biggest-ever new dinosaur species found There were probably multiple factors that helped the ancestors of modern birds survive, noted Torres.

A foot bone and part of a jaw bone of two prehistoric birds, found in the 1980s, were recently studied. It was determined that the birds were huge, with wingspans measuring up to 21 feet ...