Edited by Lynn Seman, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 2. (c) Per Verdonk, some rights reserved (CC BY-NC)
- 3. (c) Scott Buckel, some rights reserved (CC BY-NC), uploaded by Scott Buckel
- 4. (c) Juan Zamora, some rights reserved (CC BY)
- 5. (c) Juan Emilio, some rights reserved (CC BY-SA)
- 6. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
- 7. (c) Pablo Balduvino, some rights reserved (CC BY-NC), uploaded by Pablo Balduvino
- 8. (c) Robert, some rights reserved (CC BY-NC-ND)
- 9. (c) TVASQUEZ, some rights reserved (CC BY-NC), uploaded by TVASQUEZ
- 10. (c) Maggie.Smith, some rights reserved (CC BY-NC)
- 11. (c) USFWSmidwest, some rights reserved (CC BY)
- 12. (c) Dan Roach, some rights reserved (CC BY-NC), uploaded by Dan Roach
- 13. (c) Omar Del Toro, some rights reserved (CC BY-NC), uploaded by Omar Del Toro
- 14. (c) Isidro Vila Verde, some rights reserved (CC BY-NC-ND)
- 15. (c) Fred Hochstaedter, some rights reserved (CC BY-NC-SA)
- 16. (c) Craig K. Hunt, some rights reserved (CC BY-NC-ND), uploaded by Craig K. Hunt
- 17. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 18. (c) anonymous, some rights reserved (CC BY-SA)
- 19. (c) Rick Leche, some rights reserved (CC BY-NC)
- 20. (c) Mark Kilner, some rights reserved (CC BY-NC-SA)
- 21. (c) Rick Leche, some rights reserved (CC BY-NC-ND)
- 22. (c) Warren Cronan, some rights reserved (CC BY-NC), uploaded by Warren Cronan
- 23. (c) Kyle Tansley, some rights reserved (CC BY-NC), uploaded by Kyle Tansley
- 24. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 25. (c) Joe McKenna, some rights reserved (CC BY-NC)
- 26. (c) Jen Goellnitz, some rights reserved (CC BY-NC)
- 27. (c) Kelly Colgan Azar, some rights reserved (CC BY-ND)
- 28. (c) uzun, some rights reserved (CC BY-NC), uploaded by uzun
- 29. (c) Dan Pancamo, some rights reserved (CC BY-SA)
- 30. (c) Manuel Becerril González, some rights reserved (CC BY-NC), uploaded by Manuel Becerril González
- 31. (c) Maris Pukitis, some rights reserved (CC BY-NC-SA)
- 32. (c) Kent C. Jensen, some rights reserved (CC BY-NC), uploaded by Kent C. Jensen
- 33. (c) Steve Thompson, some rights reserved (CC BY-NC-SA)
- 34. (c) Becky Matsubara, some rights reserved (CC BY)
- 35. (c) Francesco Veronesi, some rights reserved (CC BY-NC-SA)
- 36. (c) Jamie Chavez, some rights reserved (CC BY-NC)
- 37. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 38. (c) Dan Dzurisin, some rights reserved (CC BY-NC-ND)
- 39. (c) Blake Matheson, some rights reserved (CC BY-NC)
- 40. (c) Lee Hoy, some rights reserved (CC BY-NC-ND), uploaded by Lee Hoy
- 41. (c) Ad Konings, some rights reserved (CC BY-NC), uploaded by Ad Konings
- 42. (c) Dennis Church, some rights reserved (CC BY-NC-ND)
- 43. (c) Patrick Coin, some rights reserved (CC BY-NC-SA)
- 44. (c) BJ Stacey, some rights reserved (CC BY-NC)
- 45. (c) Tony Morris, some rights reserved (CC BY-NC)
- 46. (c) Len Blumin, some rights reserved (CC BY-NC-ND)
- 47. (c) Terry Sohl, some rights reserved (CC BY-NC), uploaded by Terry Sohl
- 48. (c) Martin Hall, some rights reserved (CC BY-NC), uploaded by Martin Hall
- 49. (c) Alan R. Biggs, some rights reserved (CC BY-NC-ND), uploaded by Alan R. Biggs
- 50. (c) Mike Plagens, some rights reserved (CC BY-NC), uploaded by Mike Plagens
- 51. (c) Mark Dennis, some rights reserved (CC BY-NC), uploaded by Mark Dennis
- 52. (c) almostdanny, some rights reserved (CC BY-NC)
- 53. (c) Bob O'Kennon, some rights reserved (CC BY-NC), uploaded by Bob O'Kennon
- 54. (c) Eric Osmundson, some rights reserved (CC BY-NC-SA)
- 55. (c) Linda De Volder, some rights reserved (CC BY-NC-ND)
- 56. (c) Josh More, some rights reserved (CC BY-NC-ND)
- 57. (c) Dan Dzurisin, some rights reserved (CC BY)
- 58. (c) Kala Murphy King, some rights reserved (CC BY-NC-ND), uploaded by Kala Murphy King
- 59. (c) Don McCullough, some rights reserved (CC BY-NC)
- 60. (c) Bernard DUPONT, some rights reserved (CC BY-SA)
- 61. (c) The Wasp Factory, some rights reserved (CC BY-NC-SA)
- 62. (c) moviecoco568, some rights reserved (CC BY)
- 63. (c) Greg Hanisek, some rights reserved (CC BY-NC), uploaded by Greg Hanisek
- 64. (c) Pedro Peloso, some rights reserved (CC BY-NC), uploaded by Pedro Peloso
- 65. (c) Susan E Adams, some rights reserved (CC BY-SA)
- 66. (c) Andrew Reding, some rights reserved (CC BY-NC-ND)
- 67. (c) Danny Barron, some rights reserved (CC BY-NC-ND)
- 68. (c) Don Loarie, some rights reserved (CC BY), uploaded by Don Loarie
- 69. (c) Andrew Hoffman, some rights reserved (CC BY-NC-ND)
- 70. (c) Mossos. Generalitat de Catalunya, some rights reserved (CC BY-ND)
- 71. (c) Oregon Department of Agriculture, some rights reserved (CC BY-NC-ND)
- 72. (c) John Wright, some rights reserved (CC BY-NC-ND)
- 73. no rights reserved, uploaded by Anna N Chapman
- 74. (c) fam-esquivel, some rights reserved (CC BY-NC)
- 75. (c) Kimberlie Sasan, some rights reserved (CC BY-ND), uploaded by Kimberlie Sasan
- 76. (c) Judy Gallagher, some rights reserved (CC BY)
- 77. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
- 78. (c) Christopher Eliot, some rights reserved (CC BY), uploaded by Christopher Eliot
- 79. (c) Katja Schulz, some rights reserved (CC BY)
- 80. (c) krancmm, some rights reserved (CC BY-NC), uploaded by krancmm
- 81. (c) Ale Türkmen, some rights reserved (CC BY-NC-SA), uploaded by Ale Türkmen
- 82. (c) Sonorabee, some rights reserved (CC BY-NC), uploaded by Sonorabee
- 83. (c) Mignoffo, some rights reserved (CC BY-NC), uploaded by Mignoffo
- 84. (c) Ethan, some rights reserved (CC BY-NC), uploaded by Ethan
- 85. (c) Victor W Fazio III, some rights reserved (CC BY-NC-ND), uploaded by Victor W Fazio III
- 86. (c) bubbacho, some rights reserved (CC BY-NC)
- 87. (c) Roberto R. Calderón, some rights reserved (CC BY-NC), uploaded by Roberto R. Calderón
- 88. (c) Ken Slade, some rights reserved (CC BY-NC)
