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Why Did Penguins Stop Flying? The Answer Is Evolutionary

Why Did Penguins Stop Flying? The Answer Is Evolutionary

National Geographic - Brian Handwerk

Penguins' swimming prowess cost them their ability to fly, a new study says. Penguins lost the ability to fly eons ago, and scientists may have finally figured out why. A new study suggests that getting off the ground eventually just took too much effort for birds that were becoming expert …

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