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: US researchers said Monday they have identified the fossilized remains of an extinct giant bird that could be the biggest flying bird ever found. With a wingspan of 20 to 24 feet (6.1 to 7 ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Argentavis magnificens was so massive it should’ve stayed ...

Be thankful you'll never see this bird perched outside your window. Researchers have uncovered the fossil of an extinct bird with a mouthful of tooth-like spikes and wings just smaller than a World ...