Why do owls hoot?

Related questions

1. Do owls excrete?
2. Are owls intelligent?
3. Are Owls friendly to humans?
4. What does an owl symbolize in the Bible?
5. Does an owl mean death?
6. Are Owls friendly?
7. Can a bird kill a human?
8. What happens if you see an owl at night?
9. What is the most stupidest animal?
10. Why is owl a bad omen?

Tags

1. #night
2. #warning
3. #other
4. #heard
5. #nocturnal
6. #around
7. #animals
8. #particular
9. #territory
10. #however
11. #miles
12. #during
13. #declare
14. #sleep
15. #means
16. #sounds
17. #those
18. #hoots
19. #serves
20. #claim
21. #active