Edited by lgobel, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Miguel Ordeñana, some rights reserved (CC BY-NC-ND), uploaded by Miguel Ordeñana
- 2. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
- 3. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
- 4. (c) Adriaan Goossens, some rights reserved (CC BY-NC-ND)
- 5. (c) CK Kelly, some rights reserved (CC BY), uploaded by CK Kelly
- 6. (c) bathyporeia, some rights reserved (CC BY-NC-ND)
- 7. (c) Zack Abbey, some rights reserved (CC BY), uploaded by Zack Abbey
- 8. (c) 2014 Keir Morse, some rights reserved (CC BY-NC-SA)
- 9. (c) NatureShutterbug, some rights reserved (CC BY)
- 10. (c) Lucina M, some rights reserved (CC BY-NC)
- 11. (c) Clinton & Charles Robertson, some rights reserved (CC BY)
- 12. (c) Alan Vernon, some rights reserved (CC BY-NC-SA)
- 13. (c) acorbit, some rights reserved (CC BY-NC)
- 14. (c) stonebird, some rights reserved (CC BY-NC-SA)
- 15. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 16. (c) The Ruth Bancroft Garden, some rights reserved (CC BY-NC)
- 17. (c) woodleywonderworks, some rights reserved (CC BY)
- 18. (c) kqedquest, some rights reserved (CC BY-NC)
- 19. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
- 20. (c) miheco, some rights reserved (CC BY-SA)
- 21. (c) 2013 Keir Morse, some rights reserved (CC BY-NC-SA)
- 22. (c) Stan Shebs, some rights reserved (CC BY-SA)
- 23. (c) Jack Wolf, some rights reserved (CC BY-ND)
- 24. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 25. (c) Michael Schmidt, some rights reserved (CC BY-NC-SA)
- 26. (c) Jill Matsuyama, some rights reserved (CC BY-NC-SA)
- 27. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 28. (c) wanderingnome, some rights reserved (CC BY-NC-ND)
- 29. (c) copepodo, some rights reserved (CC BY-NC-ND)
- 30. (c) Juan Zamora, some rights reserved (CC BY)
- 31. (c) John Barkla, some rights reserved (CC BY), uploaded by John Barkla
- 32. (c) Francesco Veronesi, some rights reserved (CC BY-NC-SA)
- 33. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 34. (c) Femorale, some rights reserved (CC BY-NC)
- 35. (c) Anthony Mendoza, some rights reserved (CC BY-NC-SA)
- 36. (c) Richard Crook, some rights reserved (CC BY-NC-ND)
- 37. (c) Yathin, some rights reserved (CC BY-NC-ND)
- 38. (c) David Kaposi, some rights reserved (CC BY-NC), uploaded by David Kaposi
- 39. (c) Bri Weldon, some rights reserved (CC BY)
- 40. (c) Philip Bouchard, some rights reserved (CC BY-NC-ND)
- 41. (c) Len Blumin, some rights reserved (CC BY-NC-ND)
- 42. (c) Richard Reynolds, some rights reserved (CC BY-NC), uploaded by Richard Reynolds
- 43. (c) Ingrid Taylar, some rights reserved (CC BY)
- 44. (c) Tom Hilton, some rights reserved (CC BY)
- 45. (c) Franco Folini, some rights reserved (CC BY-SA)
- 46. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 47. (c) Rafy Rodriguez, some rights reserved (CC BY-NC-SA)
- 48. (c) S. Rae, some rights reserved (CC BY)
- 49. (c) Andrew Reding, some rights reserved (CC BY-NC-ND)
- 50. (c) Joe Decruyenaere, some rights reserved (CC BY-SA)
- 51. (c) dannybowie, some rights reserved (CC BY-NC)
- 52. (c) Tony Rodd, some rights reserved (CC BY-NC-SA)
- 53. (c) Robin Horn, some rights reserved (CC BY-NC-ND)
- 54. (c) Ryan Brown, some rights reserved (CC BY-NC-ND), uploaded by Ryan Brown
- 55. (c) Kakalotli, some rights reserved (CC BY-NC), uploaded by Kakalotli
- 56. (c) J Brew, some rights reserved (CC BY-SA), uploaded by J Brew
- 57. (c) Jorge H. Valdez, some rights reserved (CC BY-NC), uploaded by Jorge H. Valdez
- 58. (c) Wintertanager, some rights reserved (CC BY-SA)
- 59. (c) Jaico Caballero, some rights reserved (CC BY-NC), uploaded by Jaico Caballero
- 60. (c) Howard Cheng, some rights reserved (CC BY-SA)
- 61. (c) BlueRidgeKitties, some rights reserved (CC BY-NC-SA)
- 62. (c) brendan.lally, some rights reserved (CC BY)
- 63. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 64. (c) Franco Folini, some rights reserved (CC BY)
- 65. (c) Dinesh Valke, some rights reserved (CC BY-NC-SA)
- 66. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 67. (c) c michael hogan, some rights reserved (CC BY-NC-SA), uploaded by c michael hogan
- 68. (c) Wayfinder_73, some rights reserved (CC BY-NC-ND)
- 69. (c) Jim Johnson, some rights reserved (CC BY-NC-ND), uploaded by Jim Johnson
- 70. no rights reserved
- 71. (c) Katja Schulz, some rights reserved (CC BY)
- 72. (c) Flickr, some rights reserved (CC BY-NC)
- 73. (c) Anita363, some rights reserved (CC BY-NC), uploaded by Anita363
- 74. (c) Len Blumin, some rights reserved (CC BY)
- 75. (c) Helen Sung, some rights reserved (CC BY-NC), uploaded by Helen Sung
- 76. (c) Kevin Metcalf, some rights reserved (CC BY-NC), uploaded by Kevin Metcalf
- 77. (c) Jamie Chavez, some rights reserved (CC BY-NC)
- 78. (c) BJ Stacey, some rights reserved (CC BY-NC)
- 79. (c) matt knoth, some rights reserved (CC BY-NC-ND)
- 80. (c) Alfred Diem, some rights reserved (CC BY)