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  2. en.wikipedia.org › wiki › PenguinPenguin - Wikipedia

    Penguins are a group of aquatic flightless birds from the family Spheniscidae (/ sfɪˈnɪsɪdiː, - daɪ /) of the order Sphenisciformes (/ sfɪˈnɪsəfɔːrmiːz /). [4] They live almost exclusively in the Southern Hemisphere: only one species, the Galápagos penguin, is found north of the Equator.

  3. Dec 6, 2012 · Scientists believe penguins can’t fly because they likely had little or no threat from predators in their past. That means they never evolved to fly because they didn‘t have anything to fly away from. Instead, these birds evolved to become more aquatic to better survive in their habitat.

  4. In fact, penguins are the only birds that are unable to fold their wings. Their wing bones are fused straight, making the wing rigid and powerful, like a flipper. By the same token, penguins aren’t nearly as concerned about being light as birds that fly through the air.

  5. May 20, 2013 · 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...

    • Brian Handwerk
  6. May 21, 2013 · The puzzle of why the penguin is unable to fly may have finally been solved. Researchers believe that the bird's underwater prowess may have cost it its ability to fly.

  7. May 20, 2013 · Rudyard Kipling never wrote a Just So story with an answer, but now scientists have one: The penguin doesn't fly because it would rather swim. A new study of murres, penguinlike seabirds that retain the ability to take wing, shows just how costly and inefficient it is to be both a diver and a flyer.

  8. Penguins are flightless seabirds that live almost exclusively below the equator. Some island-dwellers can be found in warmer climates, but most—including emperor, adélie, chinstrap, and gentoo...

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