According to the Cornell Lab or Ornithology, there are four general wing shapes that allow birds to do specific things, such ...

In a study in the journal Evolution, researchers compared the feathers and bodies of different species of flightless birds and their closest relatives who can still fly. They were able to ...

Birds have feathers and a beak and lay hard-shelled eggs. Many birds are able to fly using their wings, but others such as ostriches are flightless and unable to fly. Some birds like penguins ...

Richard Prum, an ornithologist at Yale, discovered that birds make blue feathers in a different way. “Let’s look at some birds!” he says as he pulls out a drawer full of the sewn-up skins of ...