The largest flying birds in the world have wingspans of up to 3.5m; discover the five biggest, plus where they live and what ...

Did you know that birds live in a more vibrant world than us? They can see a broader spectrum of colors not perceptible to humans, experts previously told USA TODAY. Their vibrant colors can also help ...

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 ...

The birds were huge, with wingspans reaching up to 21 feet (6.4 meters). And the specific individuals that the fossils belong to may have been the biggest of them all, the study suggests. The 5-inch ...