QUIZ: Do You Know These Facts About Birds?

Animals 9/25/19

Birds are lightweight enough to fly due to their…

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Bird eats nuts off of a person's hand in Finland
Retry Correct Incorrect Instead of bones filled with marrow, birds have air cavities inside their bones. But this isn’t wasted space; in many birds, these pockets link to extended air sacs from their lungs.
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Unsplash/@tanelah
Unsplash/@tanelah

Birds are lightweight enough to fly due to their…

  • Limited diet
  • Small size
  • Hollow bones
  • Lightweight feathers
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