A remarkable new fossil of the largest "four-winged" flying dinosaur with dramatic long feathers reveals a design more like a plane than a bird, a team of scientists says.

It had some of the proportionally largest pupils ever measured in either birds or dinosaurs. “For many decades, dinosaurs were considered to be day-active,” study co-author Lars Schmitz, a ...

Argentine fossil points to largest bird ever found. By Robert Lee Hotz . Oct. 26, ... director of the museum’s Dinosaur Institute, who documented the find in the journal Nature.

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 ...

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.

'This shows that the biggest dinosaur Argentinosaurus, ... "Shrinking helped dinosaurs and birds to keep evolving." ScienceDaily. www.sciencedaily.com / releases / 2014 / 05 / 140506190736.htm ...