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Amazing Animals: Bird Quiz
by Staff
Just like fish dominate the underwater domain, birds are the rulers of the skies. The same properties of physics that have set airplanes aloft have also propelled birds for millennia. But aside from feathers and flight, how much do you really know about these winged creatures?

What characteristic makes birds unique?

  • ability to lay eggs
  • ability to fly
  • feathers

How many known species of birds exist?

  • 4,000
  • 9,000
  • 14,000

What is a bird's keel?

  • the flat, outer surface of the breastbone
  • the spot where the mandibles connect
  • the total amount of vertebrae

What's the easiest way to tell the difference between wading birds and perching birds?

  • difference in wingspan
  • difference in body size
  • difference in foot anatomy

Which is not a difference between birds and other mammals?

  • presence of fingers (phalanges)
  • higher internal temperatures
  • larger hearts

Which of the following senses is weakest in birds?

  • hearing
  • sight
  • smell

What's the major difference between human and bird digestion?

  • Birds eat their food twice by regurgitating it.
  • Birds have two stomachs.
  • Human digestion takes longer.

Which type of flight is the least common among birds?

  • soaring flight
  • gliding flight
  • hovering flight

Which of the following is not a flightless bird?

  • puffin
  • kiwi
  • penguin

Which of the following is true about bird songs?

  • Only female birds sing.
  • They're often triggered by sex hormones.
  • They're used to warn of incoming predators.