When birds lose the ability to fly, their bodies change faster than their feathers, scientists discover

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ...
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Hummingbirds Are The Only Bird That Can Fly Backwards And That Is Just One Of Many Things That Makes Them Unique

Hummingbirds are one of the most unusual animals in nature. They are amazingly colorful, sporting some of the most vibrant colors of any bird in the world. They are also quite tiny, but full of energy ...
Science Daily

When birds lose the ability to fly, their bodies change faster than their feathers

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 ...