How high can birds fly?

Related questions

1. What is the shortest flight in America?
2. Are there fees for missing a flight?
3. What is the longest non stop flight?
4. Does British Airways fly to Moscow?
5. Do airplanes fly over the North Pole?
6. What is the longest domestic flight in the world?
7. Can you drive from the USA to Russia?
8. What is the shortest commercial flight in us?
9. Do I need a visa for a layover in Russia?
10. How much is a train ticket from Moscow to Vladivostok?

Tags

1. #coasting
2. #which
3. #commercial
4. #record
5. #height
6. #flying
7. #spotted
8. #nearly
9. #endangered
10. #highest
11. #heights
12. #goose
13. #airplane
14. #ruppell
15. #vulture
16. #griffon
17. #headed
18. #species
19. #himalayas