Birds are some of nature’s most beautiful creatures — but a few of our feathered friends are truly bizarre — like these 25 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A peculiar fossil ...

Add Yahoo as a preferred source to see more of our stories on Google. Why it's awesome: The hoatzin is often regarded as one of the world's strangest birds. Hatchlings are born with clawed wings — a ...

No, that's not a weather pattern. It's a flock of bird moving in a strange way. In Wyoming, residents were perplexed when birds seemed to move in some sort of bird tornado. "I saw those darn things, ...

An illustration of the fossil skeleton of the new bird species Imparavis attenboroughi and a reconstruction of what the animal would have looked like in flight ...

A new fossil, named 'Attenborough's strange bird' after naturalist and documentarian Sir David Attenborough, is the first of its kind to evolve a toothless beak. It's from a branch of the bird family ...

A peculiar fossil has helped scientists discover an unusual bird that lived among the dinosaurs 120 million years ago, and the find is changing the way researchers think about avian evolution. The ...