Edited by Davide Pallotta, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Thijs Calu, some rights reserved (CC BY-NC-ND)
- 2. (c) Keith Edkins, some rights reserved (CC BY-SA)
- 3. (c) Erik Lerbæk, some rights reserved (CC BY-NC), uploaded by Erik Lerbæk
- 4. (c) Ombrosoparacloucycle, some rights reserved (CC BY-NC-SA)
- 5. (c) Paolo Mazzei, some rights reserved (CC BY-NC), uploaded by Paolo Mazzei
- 6. (c) Andrey Ponomarev, some rights reserved (CC BY-NC), uploaded by Andrey Ponomarev
- 7. (c) Donald Hobern, some rights reserved (CC BY)
- 8. (c) Jakob Fahr, some rights reserved (CC BY-NC), uploaded by Jakob Fahr
- 9. (c) Bev Edwards, some rights reserved (CC BY-NC), uploaded by Bev Edwards
- 10. (c) Nikolai Vladimirov, some rights reserved (CC BY-NC), uploaded by Nikolai Vladimirov
- 11. (c) elisabraz, some rights reserved (CC BY-NC), uploaded by elisabraz
- 12. (c) Simon Grove, some rights reserved (CC BY-NC), uploaded by Simon Grove
- 13. (c) Seabrooke Leckie, some rights reserved (CC BY-NC-ND)
- 14. (c) Suso Tizón, some rights reserved (CC BY-NC-SA), uploaded by Suso Tizón
- 15. (c) Roman Providukhin, some rights reserved (CC BY-NC), uploaded by Roman Providukhin
- 16. (c) heliastes21, some rights reserved (CC BY-NC), uploaded by heliastes21
- 17. (c) daverowe, some rights reserved (CC BY-NC)
- 18. (c) Alexey Zyryanov, some rights reserved (CC BY-NC), uploaded by Alexey Zyryanov
- 19. (c) Ján Svetlík, some rights reserved (CC BY-NC-ND)
- 20. (c) Smudge 9000, some rights reserved (CC BY-SA)
- 21. (c) rorygardner79, some rights reserved (CC BY-NC)
- 22. (c) Crotach, some rights reserved (CC BY-NC-SA)
- 23. (c) Mikhail Ezdakov, some rights reserved (CC BY-NC), uploaded by Mikhail Ezdakov
- 24. (c) Martin Kunz, some rights reserved (CC BY)
- 25. (c) caroline legg, some rights reserved (CC BY)
- 26. (c) Marcello Consolo, some rights reserved (CC BY-NC-SA)
- 27. (c) Almantas Kulbis, some rights reserved (CC BY-NC), uploaded by Almantas Kulbis
- 28. (c) Thorsten Usée, some rights reserved (CC BY-NC), uploaded by Thorsten Usée
- 29. (c) Stefan, some rights reserved (CC BY-NC), uploaded by Stefan
- 30. (c) Alexis Lours, some rights reserved (CC BY), uploaded by Alexis Lours
- 31. (c) Peter Birch, some rights reserved (CC BY-NC)
- 32. (c) Manuel Valdueza, some rights reserved (CC BY-NC-SA)
- 33. (c) sbh2006, some rights reserved (CC BY-NC)
- 34. (c) JerryL2008, some rights reserved (CC BY)
- 35. (c) 2015 Henk Wallays, some rights reserved (CC BY-NC)
- 36. (c) Michał Brzeziński, some rights reserved (CC BY-NC), uploaded by Michał Brzeziński
- 37. (c) Victor W Fazio III, some rights reserved (CC BY-NC), uploaded by Victor W Fazio III
- 38. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
- 39. (c) Katja Schulz, some rights reserved (CC BY)
- 40. (c) Blake Matheson, some rights reserved (CC BY-NC)
- 41. (c) bramblejungle, some rights reserved (CC BY-NC)
- 42. (c) hedera.baltica, some rights reserved (CC BY-SA)
- 43. (c) Denis Doucet, some rights reserved (CC BY-NC), uploaded by Denis Doucet
- 44. (c) Léo-Guy de Repentigny, some rights reserved (CC BY-NC-ND), uploaded by Léo-Guy de Repentigny
- 45. (c) Fernando Losada Rodríguez, some rights reserved (CC BY-SA)
- 46. (c) Anton Vlasenko, some rights reserved (CC BY-NC), uploaded by Anton Vlasenko
- 47. (c) Ina Siebert, some rights reserved (CC BY-NC), uploaded by Ina Siebert
- 48. (c) Giuss95, some rights reserved (CC BY-NC-SA)
- 49. (c) Agustín Povedano, some rights reserved (CC BY-NC-SA)
- 50. (c) Roger Debenham, some rights reserved (CC BY-NC), uploaded by Roger Debenham
- 51. (c) Paul Cools, some rights reserved (CC BY-NC), uploaded by Paul Cools
- 52. (c) portioid, some rights reserved (CC BY-SA), uploaded by portioid
- 53. (c) Príncipe Castro, some rights reserved (CC BY-SA)
- 54. (c) Drepanostoma, some rights reserved (CC BY-NC), uploaded by Drepanostoma
- 55. (c) jkt, some rights reserved (CC BY-NC), uploaded by jkt
- 56. (c) upupa_epops, some rights reserved (CC BY-NC), uploaded by upupa_epops
- 57. (c) Mick E. Talbot, some rights reserved (CC BY-NC), uploaded by Mick E. Talbot
- 58. (c) Jim Johnson, some rights reserved (CC BY-NC-ND), uploaded by Jim Johnson
- 59. (c) Colin Cubitt, some rights reserved (CC BY-NC)
- 60. (c) Hamon jp, some rights reserved (CC BY-SA)
- 61. (c) slonskaya32, some rights reserved (CC BY-NC), uploaded by slonskaya32
- 62. (c) Jon Sullivan, some rights reserved (CC BY)
- 63. (c) S. Rae, some rights reserved (CC BY)
- 64. (c) Stas & Lana, some rights reserved (CC BY-NC), uploaded by Stas & Lana
- 65. (c) Richard Ong, some rights reserved (CC BY-NC), uploaded by Richard Ong
- 66. (c) Felix Riegel, some rights reserved (CC BY-NC), uploaded by Felix Riegel
- 67. (c) Shelly-Lee, some rights reserved (CC BY-NC), uploaded by Shelly-Lee
