Forty-two for me, seen in the United States, Bahamas, Honduras, Ecuador, Peru, Spain, United Kingdom, Gambia, Senegal, Kazakhstan, United Arab Emirates, Yemen, and Malaysia.
01. Rock Pigeon
02. Speckled Pigeon
03. Stock Pigeon
04. Pale-backed Pigeon
05. Common Wood Pigeon
06. Pale-vented Pigeon
07. Red-billed Pigeon
08. White-crowned Pigeon
09. Band-tailed Pigeon
10. Plumbeous Pigeon
11. Ruddy Pigeon
12. Dusky Pigeon
13. European Turtle Dove
14. Dusky Turtle Dove
15. Adamawa Turtle Dove
16. Oriental Turtle Dove
17. Eurasian Collared Dove
18. African Collared Dove
19. Mourning Collared Dove
20. Red-eyed Dove
21. Vinaceous Dove
22. Spotted Dove
23. Laughing Dove
24. Black-billed Wood Dove
25. Blue-spotted Wood Dove
26. Namaqua Dove
27. Zebra Dove
28. Mourning Dove
29. Eared Dove
30. Zenaida Dove
31. White-winged Dove
32. West Peruvian Dove
33. Common Ground Dove
34. Ruddy Ground Dove
35. Inca Dove
36. Blue Ground Dove
37. White-tipped Dove
38. Gray-fronted Dove
39. Gray-headed Dove
40. White-faced Quail-Dove
41. Bruce's Green Pigeon
42. African Green Pigeon
Dave