Table of contents

1. Main characteristics
2. Adaption to flight:
• a light, but strong skeleton
• the plumage (flight-, downy- and body feathers)
• lungs extend into air-filled sacs
3. Flight:
   • flapping, gliding and hoovering
4. Bird´s breaks
5. Bird´s feet
6. A bird´s life cycle:
   • nests
   • eggs
   • a bird is born
   • nestling or chick
7. Keywords: English-German