Birds, by design, tend to be small, light and streamlined. Yet there are some that push the boundaries of size. Here is the ...

Plus, various species of birds have earned the honor of becoming state birds, like the American robin in Wisconsin. None of these, though, are among the largest flying birds in the world today.

Scientists have identified bones of the largest flying bird ever found -- an ancient soaring seabird with a wing span of at least 21 feet. Daniel Ksepka, curator of science at the Bruce Museum ...

Using drone imagery, New Zealand researchers are evaluating a deep learning model called BirdDetector, as it analyzes ...

With a wingspan up to 10 feet in length, the mighty Andean condor is one of the largest flying birds in the world. Found ...

The ostrich (Struthio camelus) isn’t just a survivor, it's the largest and heaviest living bird in the world, standing up to nine feet tall and weighing over 300 pounds. Native to the savannas ...

For just the fourth time ever, researchers on an expedition in the Andes Mountains have recorded the Andean condor — the world’s largest flying bird — nesting in Peru. The team spent about ...