Edited by cjphilately, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Federico Calledda, some rights reserved (CC BY-NC), uploaded by Federico Calledda
- 2. (c) Henry Figueroa, some rights reserved (CC BY-NC-SA)
- 3. (c) natomapaul, some rights reserved (CC BY-NC)
- 4. (c) Christian Schwarz, some rights reserved (CC BY-NC), uploaded by Christian Schwarz
- 5. (c) pinonbistro, some rights reserved (CC BY-SA), uploaded by pinonbistro
- 6. (c) Hannah, some rights reserved (CC BY-NC), uploaded by Hannah
- 7. (c) Davide Puddu, some rights reserved (CC BY), uploaded by Davide Puddu
- 8. (c) CDance, some rights reserved (CC BY-NC), uploaded by CDance
- 9. (c) clicque, some rights reserved (CC BY-NC), uploaded by clicque
- 10. (c) Marco Floriani, some rights reserved (CC BY-NC), uploaded by Marco Floriani
- 11. (c) noah_siegel, some rights reserved (CC BY-NC-SA), uploaded by noah_siegel
- 12. (c) Nathan Wilson, some rights reserved (CC BY-SA)
- 13. (c) Damon Tighe, some rights reserved (CC BY-NC), uploaded by Damon Tighe
- 14. (c) Vladimir Bryukhov, some rights reserved (CC BY-NC), uploaded by Vladimir Bryukhov
- 15. (c) John Plischke, some rights reserved (CC BY-NC), uploaded by John Plischke
- 16. (c) Django Grootmyers, some rights reserved (CC BY-SA), uploaded by Django Grootmyers
- 17. (c) Ludo Leclerc, some rights reserved (CC BY-NC), uploaded by Ludo Leclerc
- 18. (c) Kathie Hodge, some rights reserved (CC BY-NC-SA)
- 19. (c) Alan Rockefeller, some rights reserved (CC BY), uploaded by Alan Rockefeller
- 20. (c) tailkin, some rights reserved (CC BY-NC)
- 21. (c) tombigelow, some rights reserved (CC BY-NC), uploaded by tombigelow
- 22. (c) ralucavoda, some rights reserved (CC BY-NC), uploaded by ralucavoda
- 23. (c) Daniel Sembroski, some rights reserved (CC BY-NC), uploaded by Daniel Sembroski
- 24. (c) freyabairdsen, some rights reserved (CC BY-NC)
- 25. (c) Dan, fungi Photograph, some rights reserved (CC BY-NC), uploaded by Dan, fungi Photograph
- 26. (c) Erlon Bailey, some rights reserved (CC BY-SA), uploaded by Erlon Bailey
- 27. (c) Dave W, some rights reserved (CC BY-SA)
- 28. (c) Luke Smithson, some rights reserved (CC BY-SA), uploaded by Luke Smithson
- 29. (c) Fluff Berger, some rights reserved (CC BY-SA), uploaded by Fluff Berger
- 30. no rights reserved, uploaded by Garrett Taylor
- 31. (c) Erlon Bailey, some rights reserved (CC BY-NC), uploaded by Erlon Bailey
- 32. (c) sariai, some rights reserved (CC BY-NC), uploaded by sariai
- 33. (c) Jack Steven Smith, some rights reserved (CC BY-NC), uploaded by Jack Steven Smith
- 34. (c) Suzanne Cadwell, some rights reserved (CC BY-NC), uploaded by Suzanne Cadwell
- 35. (c) Andrew Cannon, some rights reserved (CC BY-NC), uploaded by Andrew Cannon
- 36. (c) maman1, some rights reserved (CC BY-NC)
- 37. (c) David Greenberger, some rights reserved (CC BY-NC-ND), uploaded by David Greenberger
- 38. (c) T. Abe Lloyd, some rights reserved (CC BY-NC), uploaded by T. Abe Lloyd
- 39. (c) snsergeevna, some rights reserved (CC BY-NC), uploaded by snsergeevna
- 40. (c) Daniel Folds, some rights reserved (CC BY-NC), uploaded by Daniel Folds
- 41. (c) jlittl74, some rights reserved (CC BY-NC)
- 42. (c) Cecil Smith, some rights reserved (CC BY), uploaded by Cecil Smith
- 43. (c) Mike Potts, some rights reserved (CC BY-NC-SA), uploaded by Mike Potts
- 44. (c) Keara R. Giannotti, some rights reserved (CC BY-NC), uploaded by Keara R. Giannotti
- 45. (c) Benjamin Langlois, some rights reserved (CC BY-NC), uploaded by Benjamin Langlois
- 46. (c) rdegeer, some rights reserved (CC BY-NC), uploaded by rdegeer
- 47. (c) Bill Sheehan, some rights reserved (CC BY-SA), uploaded by Bill Sheehan
- 48. (c) wagnerj, some rights reserved (CC BY-NC), uploaded by wagnerj
- 49. (c) Elisabeth Mettler, some rights reserved (CC BY-NC), uploaded by Elisabeth Mettler
- 50. (c) Nina Filippova, some rights reserved (CC BY), uploaded by Nina Filippova
- 51. (c) Juan Carlos López Domínguez, some rights reserved (CC BY-NC), uploaded by Juan Carlos López Domínguez
- 52. (c) teban, some rights reserved (CC BY-NC)
- 53. (c) sunphlo, some rights reserved (CC BY-NC)
- 54. (c) Roody White, some rights reserved (CC BY-NC), uploaded by Roody White
- 55. (c) anonymous, some rights reserved (CC BY-SA)
- 56. (c) Annie Weissman, some rights reserved (CC BY), uploaded by Annie Weissman
- 57. (c) mycowalt, some rights reserved (CC BY-SA), uploaded by mycowalt
- 58. (c) KatJustis, some rights reserved (CC BY-NC), uploaded by KatJustis
- 59. (c) Alan R. Biggs, some rights reserved (CC BY-NC-ND), uploaded by Alan R. Biggs
- 60. (c) Joan Knapp, some rights reserved (CC BY-ND), uploaded by Joan Knapp
- 61. (c) Sigrid Jakob, some rights reserved (CC BY), uploaded by Sigrid Jakob
- 62. (c) tshearer, some rights reserved (CC BY-NC)
- 63. (c) jes717, some rights reserved (CC BY-NC)
- 64. (c) Lizzy Cramer, some rights reserved (CC BY-NC), uploaded by Lizzy Cramer
