2.4. Birds

IDevice Icon 2.4. Birds

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Birds are vertebrates. They are born from eggs. They have feathers on their bodies.

  • All birds breathe air.

  • Birds have two legs and two wings. All birds have wings. However, not all birds can fly, for example, penguins.

  • Many birds, such as sparrows, live on land. They can fly and walk.

  • Other birds, such as ducks, live on land and water. They can fly, swim and walk.


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Andrés Egea - Yolanda Marcos 2008