What is Unique to Birds?
What physical characteristic is unique to birds? You may think of beaks, feathers, wings, laying eggs, or walking on two legs. All of these are important elements of bird anatomy, but only one of them sets birds apart from all other living creatures.
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What is Unique to Birds? is part of a larger Interactive Feature where you'll find:
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What is Unique to Birds? Discover which anatomical features are unique to birds What is Unique to Birds? -
How Feathers Are Built Explore feather anatomy—from the fluffy downs to the aerodynamic flight feathers How Feathers Are Built
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What Feathers Do Learn how feathers function to help birds fly, show off, blend in, stay warm, and keep dry What Feathers Do
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Feathers Through Time Get the scoop on how and why feathers evolved on the dinosaur ancestors of birds Feathers Through Time
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Meet a Feather Scientist Follow the scientific journey that uncovered how some feathers act as musical instruments Meet a Feather Scientist
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Think About Feathers Take a minute to reflect on what you've learned about feathers Think About Feathers
