Add Yahoo as a preferred source to see more of our stories on Google. Argentavis magnificent© Radomil / CC BY-SA 3.0 The post Too Big to Flap? The Prehistoric Bird so Massive it Could Barely Fly ...

WASHINGTON -- Weighing in at 150 pounds or more, the all-time biggest bird couldn't just hop into the air and fly away, researchers say. A team led by Sankar Chatterjee of Texas Tech University used ...

Like modern condors, the six-million-year-old Argentavis magnificens —the largest bird known to have taken flight—may have relied on updrafts and thermals to soar above what is now Argentina. If ...

Long before humans walked the Earth, the skies of South America were ruled by a colossal bird. Argentavis magnificens, one of the largest flying birds ever discovered, had a wingspan so wide that it ...

Add Yahoo as a preferred source to see more of our stories on Google. Long before humans walked the Earth, the skies of South America were ruled by a colossal bird. Argentavis magnificens, one of the ...