viernes, 10 de junio de 2011

Birds

Animal groups_Birds

  • The birds have got feathers.


  • All the birds have got two legs and two wings.


  • Birds have a beak.


  • They lay eggs. The young hacht from the egg.




  • They are warm-blooded.


  • Birds breathe faster than mammals and their body are warmer.



  • Birds give us meat and eggs (chicken, turkey...)


  • Some of them are good pets (parrot, canary...)

  • The bird of prey can eat some mammals. Birds also eat little reptiles, insects ,other birds and fishes.


  • They have got hollow bones filled with air. It help them to fly.


  • There are bird that migrate. They fly to the south to escape the cold winters.




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