More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a study in the journal Evolution, researchers ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Migratory birds are some of nature’s most efficient ...

Have you ever seen a group of birds flying in a neat V shape and wondered why they do it? It may look beautiful and well-planned, but there’s a smart reason behind it. Birds use this formation to save ...

Some birds migrate thousands of miles every autumn. How exactly do they manage it? Scientists built a flight chamber to find out. Some birds migrate thousands of miles every autumn. How exactly do ...

Researchers examined dozens of bird species in museum collections looking for differences in the feathers and bodies between birds that can fly and birds that can't. They found that when birds evolve ...