Why do birds hover in one spot?

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Tags

1. #surface
2. #respect
3. #large
4. #location
5. #movements
6. #result
7. #their
8. #ground
9. #windhovering
10. #stationary
11. #watch
12. #hunting
13. #because
14. #remains
15. #fishing
16. #enables
17. #fixed
18. #easily
19. #birds