A flight with the moon on their wings.

1. What is Bird migration?
2. What do some of the birds do?
3. What is the great mystery of bird life?
4. When do they travel  to northern  regions of Asia,Europe and America? and why?
5. When do they make their return journey?
6. Why are they sometimes delayed?
7. Why do the birds move from one place to another?
8. Where are the seasons well-defined?
9. What do those birds which spend the summer in higher reaches of mountains?Where does this happen?
10. Why are they called brave little VOYAGERS?
11. What is the speed of the migrating birds?
12. What do the small birds do?
13. What is the speed of the shore birds?
14. What is the speed of the ducks?
15.