Elephant bird eggs in the Gallery of Paleontology and Comparative Anatomy of National Museum of Natural History in Paris, France (Danny Ye/Shutterstock). Few creatures capture the imagination quite ...

The biggest bird in the world weighs between 220 and 350 pounds, but it doesn't even come close to the largest bird who ever lived. Here's who it is.

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Big fossil birds such as Diatryma, for example, lived among vast forests around 50 million years ago when mammal carnivores were small and didn’t have as strong an influence on the prehistoric ...