An intact, fossilized specimen of the world’s largest egg—of any known species ever on Earth—entered the National Geographic Society's collection in 1967. The elephant bird belongs to a ...

But seeing one of these enormous birds up close? That’s an entirely different experience. Just ask the cyclist in this video from the Cape Argus Tour. They were cycling along, minding their own ...

Terra Nova National Park officials said the bird is one of the largest birds of prey on the planet, donning a wingspan of 8 feet and weighing about 13 pounds. They noted that it is about 25% ...

The Smithsonian National Museum of Natural History has one of the biggest bird collections in the world, housing over 600,000 specimens, from ducks to eagles to peacocks. The collection was ...