Photos:
- 1. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 2. (c) Almantas Kulbis, some rights reserved (CC BY-NC), uploaded by Almantas Kulbis
- 3. (c) Jörg Hempel, some rights reserved (CC BY-SA)
- 4. (c) pizzodisevo, some rights reserved (CC BY-SA)
- 5. (c) AnneTanne, some rights reserved (CC BY-NC)
- 6. (c) Henry Burrows, some rights reserved (CC BY-SA)
- 7. (c) bathyporeia, some rights reserved (CC BY-NC-ND)
- 8. (c) Bastiaan, some rights reserved (CC BY-NC-ND)
- 9. (c) Monica Krancevic, some rights reserved (CC BY-NC), uploaded by Monica Krancevic
- 10. (c) AnneTanne, some rights reserved (CC BY-NC-SA)
- 11. (c) 1999 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
- 12. (c) John Hilty, some rights reserved (CC BY-NC)
- 13. (c) Don Loarie, some rights reserved (CC BY), uploaded by Don Loarie
- 14. (c) Homer Edward Price, some rights reserved (CC BY)
- 15. (c) jacinta lluch valero, some rights reserved (CC BY-SA)
- 16. (c) caseyzill, some rights reserved (CC BY-NC), uploaded by caseyzill
- 17. (c) MBG, some rights reserved (CC BY-NC-SA)
- 18. (c) Sciadopitys, some rights reserved (CC BY-SA)
- 19. (c) Superior National Forest, some rights reserved (CC BY)
- 20. (c) Natalya, some rights reserved (CC BY), uploaded by Natalya
- 21. (c) Jon Sullivan, some rights reserved (CC BY)
- 22. (c) Udo Schmidt, some rights reserved (CC BY-SA)
- 23. (c) Dendroica cerulea, some rights reserved (CC BY)
- 24. (c) HermannFalkner/sokol, some rights reserved (CC BY-NC-SA)
- 25. (c) Andreas Rockstein, some rights reserved (CC BY-SA)
- 26. (c) Dorota (Dorothy), some rights reserved (CC BY-SA)
- 27. (c) Jason Hollinger, some rights reserved (CC BY)
- 28. (c) Phil Sellens, some rights reserved (CC BY)
- 29. (c) ellen hildebrandt, some rights reserved (CC BY-NC), uploaded by ellen hildebrandt
- 30. (c) Steve Guttman, some rights reserved (CC BY-NC-ND)
- 31. (c) Jim, some rights reserved (CC BY-NC-SA)
- 32. (c) 106611639464075912591, some rights reserved (CC BY-NC-SA), uploaded by 106611639464075912591
- 33. (c) Salomé, some rights reserved (CC BY-NC-SA)
- 34. (c) --Tico--, some rights reserved (CC BY-NC-ND)
- 35. (c) Anita, some rights reserved (CC BY-NC-SA)
- 36. (c) Peter O, some rights reserved (CC BY-SA)
- 37. (c) Juha Haataja, some rights reserved (CC BY-NC-SA)
- 38. (c) CameliaTWU, some rights reserved (CC BY-NC-SA)
- 39. (c) Gertrud K., some rights reserved (CC BY-NC-SA)
- 40. (c) HermannFalkner/sokol, some rights reserved (CC BY-NC)
- 41. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 42. (c) Gernot HOCHMUELLER, some rights reserved (CC BY)
- 43. (c) anemoneprojectors (through the backlog), some rights reserved (CC BY-SA)
- 44. (c) Sven Gaedtke, some rights reserved (CC BY-SA)
- 45. (c) epicnom, some rights reserved (CC BY-NC)
- 46. (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)
- 47. (c) Christian Schwarz, some rights reserved (CC BY-NC), uploaded by Christian Schwarz
- 48. (c) José MarÃa Escolano, some rights reserved (CC BY-NC-SA)
- 49. (c) Ferran Turmo Gort, some rights reserved (CC BY-NC-SA)
- 50. (c) Ostenfuchs, some rights reserved (CC BY-ND)
- 51. (c) Natural England, some rights reserved (CC BY-NC-ND)
- 52. (c) Wildlife Travel, some rights reserved (CC BY-NC-ND)
- 53. (c) Papooga, some rights reserved (CC BY)
- 54. (c) José María Escolano, some rights reserved (CC BY-NC-SA)
- 55. (c) Joachim Louis, some rights reserved (CC BY-NC-ND), uploaded by Joachim Louis
- 56. (c) Dave, some rights reserved (CC BY-NC-SA)
- 57. (c) 106584015630019574849, some rights reserved (CC BY-NC-SA), uploaded by 106584015630019574849
- 58. (c) Kristian Peters, some rights reserved (CC BY-NC-SA)
- 59. (c) Marc Blanc, some rights reserved (CC BY-NC-SA)
- 60. (c) julia_HalleFotoFan, some rights reserved (CC BY-NC-SA)
- 61. (c) Laura Clark, some rights reserved (CC BY), uploaded by Laura Clark
- 62. (c) John Boback, some rights reserved (CC BY-NC), uploaded by John Boback
- 63. (c) Ava Babili, some rights reserved (CC BY-NC-ND)
- 64. (c) Dinesh Valke, some rights reserved (CC BY-NC-SA)
- 65. (c) Dawn Endico, some rights reserved (CC BY-SA)
- 66. (c) Nuuuuuuuuuuul, some rights reserved (CC BY)
- 67. (c) 2007 Luigi Rignanese, some rights reserved (CC BY-NC)
- 68. (c) Petr Filippov, some rights reserved (CC BY)
- 69. (c) yasingi, some rights reserved (CC BY-NC)
- 70. no rights reserved
- 71. (c) Biopix, some rights reserved (CC BY-NC)
- 72. (c) 2009 Zoya Akulova, some rights reserved (CC BY-NC)
- 73. (c) Antonio Ilardo, some rights reserved (CC BY-NC-SA)
- 74. (c) amy_b, some rights reserved (CC BY-ND)
- 75. (c) Sara Rall, some rights reserved (CC BY-NC), uploaded by Sara Rall
- 76. (c) Susan J. Hewitt, some rights reserved (CC BY-NC), uploaded by Susan J. Hewitt
- 77. (c) Harry Rose, some rights reserved (CC BY)
Compiled by Chiara Catalano,
some rights reserved
(CC BY-SA)
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