Edited by Silas Eckhardt, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) kim fleming, some rights reserved (CC BY-NC-SA)
- 2. (c) Goshzilla - Dann, some rights reserved (CC BY-NC-ND)
- 3. (c) Ilona L, some rights reserved (CC BY-NC-SA)
- 4. (c) Mary Keim, some rights reserved (CC BY-NC-SA)
- 5. (c) Andrew Campbell, some rights reserved (CC BY), uploaded by Andrew Campbell
- 6. (c) Brad Walker, some rights reserved (CC BY-NC), uploaded by Brad Walker
- 7. (c) mayfly1963, some rights reserved (CC BY), uploaded by mayfly1963
- 8. (c) Jonathan (JC) Carpenter, some rights reserved (CC BY-NC), uploaded by Jonathan (JC) Carpenter
- 9. (c) John B., some rights reserved (CC BY)
- 10. (c) Eric Neubauer, some rights reserved (CC BY-NC), uploaded by Eric Neubauer
- 11. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 12. (c) Jimmy Dee, some rights reserved (CC BY-SA), uploaded by Jimmy Dee
- 13. (c) Jason Headley, some rights reserved (CC BY-NC), uploaded by Jason Headley
- 14. (c) Scott Cox, some rights reserved (CC BY-NC-ND)
- 15. (c) Sam Kieschnick, some rights reserved (CC BY), uploaded by Sam Kieschnick
- 16. (c) Amelia Ryan, some rights reserved (CC BY-NC), uploaded by Amelia Ryan
- 17. (c) chelino, some rights reserved (CC BY-NC), uploaded by chelino
- 18. (c) Jenny Iyer, some rights reserved (CC BY-NC), uploaded by Jenny Iyer
- 19. (c) mariajj, some rights reserved (CC BY-NC), uploaded by mariajj
- 20. (c) lonnyholmes, some rights reserved (CC BY-NC), uploaded by lonnyholmes
- 21. (c) Andrew Meeds, some rights reserved (CC BY), uploaded by Andrew Meeds
- 22. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo
- 23. (c) Ken Schneider, some rights reserved (CC BY-NC), uploaded by Ken Schneider
- 24. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 25. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 26. (c) C. Mallory, some rights reserved (CC BY-NC), uploaded by C. Mallory
- 27. (c) Zack Abbey, some rights reserved (CC BY), uploaded by Zack Abbey
- 28. (c) Zee Mazzacano, some rights reserved (CC BY-NC), uploaded by Zee Mazzacano
- 29. (c) Crowdy Pollock, some rights reserved (CC BY-NC), uploaded by Crowdy Pollock
- 30. (c) buffalobeal, some rights reserved (CC BY-NC), uploaded by buffalobeal
- 31. (c) Nathaniel Schwartz, some rights reserved (CC BY-NC-ND), uploaded by Nathaniel Schwartz
- 32. (c) Carlos G Velazco-Macias, some rights reserved (CC BY-NC), uploaded by Carlos G Velazco-Macias
- 33. (c) Ann Gordon, some rights reserved (CC BY-NC), uploaded by Ann Gordon
- 34. (c) a_cuell, some rights reserved (CC BY-NC), uploaded by a_cuell
- 35. (c) Alex Harman, some rights reserved (CC BY-NC), uploaded by Alex Harman
- 36. (c) Andrew Core, some rights reserved (CC BY-NC), uploaded by Andrew Core
- 37. (c) christine123, some rights reserved (CC BY), uploaded by christine123
- 38. (c) Yan Chun Su, some rights reserved (CC BY-NC-ND), uploaded by Yan Chun Su
- 39. (c) ellen hildebrandt, some rights reserved (CC BY-NC), uploaded by ellen hildebrandt
- 40. no rights reserved, uploaded by mbelitz
- 41. (c) Eugenio Padilla, some rights reserved (CC BY-SA), uploaded by Eugenio Padilla
- 42. (c) Matthias Buck, some rights reserved (CC BY-NC), uploaded by Matthias Buck
- 43. (c) Steven Severinghaus, some rights reserved (CC BY-NC-SA)
- 44. (c) jeco, some rights reserved (CC BY-NC-SA)
- 45. (c) Mike Quinn, Austin, TX, some rights reserved (CC BY-NC), uploaded by Mike Quinn, Austin, TX
- 46. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 47. (c) Belinda Lo, some rights reserved (CC BY-NC-SA)
- 48. (c) Andrew Hebert, some rights reserved (CC BY-NC), uploaded by Andrew Hebert
- 49. (c) BJ Stacey, some rights reserved (CC BY-NC), uploaded by BJ Stacey
- 50. (c) AJ Johnson, some rights reserved (CC BY-NC), uploaded by AJ Johnson
- 51. (c) Chuck Sexton, some rights reserved (CC BY-NC), uploaded by Chuck Sexton
- 52. no rights reserved, uploaded by Patrick Alexander
- 53. (c) jim_carretta, some rights reserved (CC BY-NC), uploaded by jim_carretta
- 54. (c) Mike Plagens, some rights reserved (CC BY-NC), uploaded by Mike Plagens
- 55. (c) FreckLes, some rights reserved (CC BY-NC), uploaded by FreckLes
- 56. (c) Patrick Alexander, some rights reserved (CC BY-NC-ND)
- 57. (c) Bob O'Kennon, some rights reserved (CC BY-NC), uploaded by Bob O'Kennon
- 58. (c) Lena Zappia, some rights reserved (CC BY-NC), uploaded by Lena Zappia
- 59. (c) Michael Orgill, some rights reserved (CC BY-NC), uploaded by Michael Orgill
- 60. (c) Darin J McGuire, some rights reserved (CC BY), uploaded by Darin J McGuire
- 61. (c) Tracey Fandre, some rights reserved (CC BY-NC-ND), uploaded by Tracey Fandre
- 62. (c) Valtierra, some rights reserved (CC BY-NC-ND), uploaded by Valtierra
- 63. (c) victor rodriguez, some rights reserved (CC BY-NC), uploaded by victor rodriguez
- 64. (c) Robert Lord Zimlich, some rights reserved (CC BY-NC), uploaded by Robert Lord Zimlich
- 65. (c) Catherine C. Galley, some rights reserved (CC BY-NC), uploaded by Catherine C. Galley
- 66. (c) Shahan Derkarabetian, some rights reserved (CC BY-SA), uploaded by Shahan Derkarabetian
- 67. (c) joshuasexton, some rights reserved (CC BY-NC-ND), uploaded by joshuasexton
- 68. (c) Pedro Alanis, some rights reserved (CC BY-NC), uploaded by Pedro Alanis
- 69. (c) Laura Gaudette, some rights reserved (CC BY), uploaded by Laura Gaudette
- 70. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
