Edited by Roberto Battiston, and FORBIX (Leonardo Forbicioni), some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Oregon Department of Agriculture, some rights reserved (CC BY-NC-ND)
- 2. (c) Ryszard, some rights reserved (CC BY-NC)
- 3. (c) Gianfrs, some rights reserved (CC BY-NC-ND), uploaded by Gianfrs
- 4. (c) Alain C., some rights reserved (CC BY-NC-SA)
- 5. (c) zoe jewell & sky alibhai, some rights reserved (CC BY-NC), uploaded by zoe jewell & sky alibhai
- 6. (c) tamaszeke, some rights reserved (CC BY-NC), uploaded by tamaszeke
- 7. (c) bscrl, some rights reserved (CC BY-NC), uploaded by bscrl
- 8. (c) Sarah Gregg, some rights reserved (CC BY-NC-SA)
- 9. (c) Gyorgy Csoka, Hungary Forest Research Institute, Bugwood.org, some rights reserved (CC BY)
- 10. (c) Bee Together, some rights reserved (CC BY), uploaded by Bee Together
- 11. (c) Paolo Mazzei, some rights reserved (CC BY-NC), uploaded by Paolo Mazzei
- 12. (c) richardjaybee, some rights reserved (CC BY-NC), uploaded by richardjaybee
- 13. no rights reserved, uploaded by Anna N Chapman
- 14. (c) Gilles San Martin, some rights reserved (CC BY-SA), uploaded by Gilles San Martin
- 15. (c) Felipe Hidalgo, some rights reserved (CC BY-NC), uploaded by Felipe Hidalgo
- 16. (c) Kostas Zontanos, some rights reserved (CC BY-NC), uploaded by Kostas Zontanos
- 17. (c) Matthew Vosper, some rights reserved (CC BY), uploaded by Matthew Vosper
- 18. (c) Kai Löhr, some rights reserved (CC BY), uploaded by Kai Löhr
- 19. (c) Thomas Bresson, some rights reserved (CC BY)
- 20. (c) katunchik, some rights reserved (CC BY), uploaded by katunchik
- 21. (c) Dean Morley, some rights reserved (CC BY-ND)
- 22. (c) Allan Hopkins, some rights reserved (CC BY-NC-ND)
- 23. (c) Ronald Werson, some rights reserved (CC BY-NC-ND), uploaded by Ronald Werson
- 24. (c) Andy Phillips, some rights reserved (CC BY-ND)
- 25. (c) David Denicolò, some rights reserved (CC BY-NC-ND)
- 26. (c) Martin Grimm, some rights reserved (CC BY-NC), uploaded by Martin Grimm
- 27. (c) Jürgen Mangelsdorf, some rights reserved (CC BY-NC-ND)
- 28. (c) Paul Cools, some rights reserved (CC BY-NC), uploaded by Paul Cools
- 29. (c) Andrey Ponomarev, some rights reserved (CC BY-NC), uploaded by Andrey Ponomarev
- 30. (c) Marcello Consolo, some rights reserved (CC BY-NC-SA)
- 31. (c) bferrero, some rights reserved (CC BY-NC), uploaded by bferrero
- 32. (c) Gaetano Berzacola, some rights reserved (CC BY-NC), uploaded by Gaetano Berzacola
- 33. (c) Константин Самодуров, some rights reserved (CC BY-NC), uploaded by Константин Самодуров
- 34. (c) Yannick Chittaro, some rights reserved (CC BY-NC-SA)
- 35. (c) Ferran Turmo Gort, some rights reserved (CC BY-NC-SA)
- 36. (c) xulescu_g, some rights reserved (CC BY-SA)
- 37. (c) Pavel Vojtek, some rights reserved (CC BY-NC), uploaded by Pavel Vojtek
- 38. (c) tapaculo99, some rights reserved (CC BY-NC), uploaded by tapaculo99
- 39. (c) Jakob Fahr, some rights reserved (CC BY-NC), uploaded by Jakob Fahr
- 40. (c) Giuseppe Cagnetta, some rights reserved (CC BY-NC), uploaded by Giuseppe Cagnetta
- 41. (c) Julie Vause, some rights reserved (CC BY-NC), uploaded by Julie Vause
- 42. (c) Claude Dopagne, some rights reserved (CC BY-NC-ND)
- 43. (c) Fausto, some rights reserved (CC BY-NC), uploaded by Fausto
- 44. (c) Shipher (士緯) Wu (吳), some rights reserved (CC BY-NC-SA)
- 45. (c) Joost ., some rights reserved (CC BY-NC), uploaded by Joost .
- 46. (c) Annika Lindqvist, some rights reserved (CC BY), uploaded by Annika Lindqvist
- 47. (c) elisabraz, some rights reserved (CC BY-NC), uploaded by elisabraz
- 48. (c) Jörg Hempel, some rights reserved (CC BY-SA)
- 49. (c) faluke, some rights reserved (CC BY-NC), uploaded by faluke
- 50. (c) Nikolai Vladimirov, some rights reserved (CC BY-NC), uploaded by Nikolai Vladimirov
- 51. (c) Tony Morris, some rights reserved (CC BY-NC)
- 52. (c) Valter Jacinto, some rights reserved (CC BY-NC-SA)
- 53. (c) Jaunne-Marelize Van Tonder, some rights reserved (CC BY-NC), uploaded by Jaunne-Marelize Van Tonder
- 54. (c) Drepanostoma, some rights reserved (CC BY-NC), uploaded by Drepanostoma
- 55. (c) Donald Hobern, some rights reserved (CC BY)
- 56. (c) Valter Jacinto | Portugal, some rights reserved (CC BY-NC-SA)
- 57. (c) David Renoult, some rights reserved (CC BY-NC), uploaded by David Renoult
- 58. (c) Fernando de Juana, some rights reserved (CC BY-NC), uploaded by Fernando de Juana
- 59. (c) Dominik Hofer, some rights reserved (CC BY-NC-SA)
- 60. (c) 2013 Stefano Doglio, some rights reserved (CC BY-NC-SA)
- 61. (c) Ben Sale, some rights reserved (CC BY)
- 62. (c) Yannick Juvé, some rights reserved (CC BY-NC), uploaded by Yannick Juvé
- 63. (c) Philip Sansum, some rights reserved (CC BY-NC), uploaded by Philip Sansum
- 64. (c) Roger Robinson, some rights reserved (CC BY-NC), uploaded by Roger Robinson
- 65. (c) Leonardo Dapporto ALI, some rights reserved (CC BY-NC), uploaded by Leonardo Dapporto ALI
- 66. (c) Chris van Swaay, some rights reserved (CC BY-NC), uploaded by Chris van Swaay
- 67. (c) Mattia Menchetti, some rights reserved (CC BY), uploaded by Mattia Menchetti
- 68. (c) stefanodirektor, some rights reserved (CC BY-NC), uploaded by stefanodirektor
- 69. (c) ericazuffi, some rights reserved (CC BY-NC)
- 70. (c) joaquinportela, some rights reserved (CC BY-NC-ND)