How long bird can fly without stopping?

Related questions

1. What are large birds called?
2. How do I identify a bird?
3. Is a swift The fastest bird?
4. What makes a bird a bird?
5. What's the quickest thing in the world?
6. What animal is the loudest?
7. What animal eats a bird?
8. Which bird can not fly?
9. Do birds sleep on the wing?
10. What is a small bird called?

Tags

1. #months
2. #swifts
3. #wingspan
4. #documented
5. #nearly
6. #landing
7. #birds
8. #alpine
9. #while
10. #researchers
11. #quarter
12. #aloft
13. #under
14. #without
15. #crack
16. #airborne
17. #turns
18. #sleep
19. #first
20. #along
21. #weigh
22. #pound
23. #glide