Can birds really deliver messages?

Related questions

1. Did Buffalo Bill Cody ride for the Pony Express?
2. What gun did Billy the Kid use?
3. Where did the Pony Express begin and end?
4. What replaced the Pony Express?
5. Why did Pony Express end?
6. Was Jesse James a Pony Express rider?
7. Who were some of the famous Pony Express riders?
8. What happened to the Pony Express?
9. Did Jesse James ride with the Pony Express?
10. Who was the first Pony Express rider?

Tags

1. #naturally
2. #world
3. #pigeon
4. #attached
5. #natural
6. #cages
7. #transported
8. #destination
9. #messages
10. #effective
11. #around
12. #places
13. #owner
14. #abilities
15. #their
16. #would
17. #could
18. #pigeons
19. #where
20. #homing
21. #messengers