Edited by janice_gardner, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Franco Folini, some rights reserved (CC BY)
- 2. (c) Petritap, some rights reserved (CC BY-SA)
- 3. (c) J. N. Stuart, some rights reserved (CC BY-NC-ND)
- 4. (c) Beverly Adams, some rights reserved (CC BY-NC-SA)
- 5. (c) Todd Ramsden, some rights reserved (CC BY-NC), uploaded by Todd Ramsden
- 6. (c) Bri Weldon, some rights reserved (CC BY)
- 7. (c) Earl McGehee, some rights reserved (CC BY-NC-ND)
- 8. (c) Frank Mayfield, some rights reserved (CC BY-SA)
- 9. (c) George F Mayfield, some rights reserved (CC BY-SA)
- 10. (c) Patrick Alexander, some rights reserved (CC BY-NC-ND)
- 11. (c) epicnom, some rights reserved (CC BY-NC)
- 12. (c) Ron Marusak, some rights reserved (CC BY-NC), uploaded by Ron Marusak
- 13. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 14. (c) Jerzy Opioła, some rights reserved (CC BY-SA)
- 15. (c) Robert Garcia, some rights reserved (CC BY-NC-SA)
- 16. (c) Alyssa Russell, some rights reserved (CC BY-NC), uploaded by Alyssa Russell
- 17. (c) David Bellamy, some rights reserved (CC BY-NC), uploaded by David Bellamy
- 18. (c) Razzu Engen, some rights reserved (CC BY-NC-SA)
- 19. (c) Dinesh Valke, some rights reserved (CC BY-NC-SA)
- 20. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 21. (c) Anthony Mendoza, some rights reserved (CC BY-NC-SA)
- 22. (c) Tom Hilton, some rights reserved (CC BY)
- 23. (c) Stephanie Calloway, some rights reserved (CC BY-NC), uploaded by Stephanie Calloway
- 24. (c) Bryant Olsen, some rights reserved (CC BY-NC)
- 25. (c) Joshua Tree National Park, some rights reserved (CC BY)
- 26. (c) Erin and Lance Willett, some rights reserved (CC BY-NC-ND)
- 27. (c) Anita, some rights reserved (CC BY-NC)
- 28. (c) H. Zell, some rights reserved (CC BY-SA)
- 29. (c) Clinton & Charles Robertson, some rights reserved (CC BY)
- 30. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 31. (c) Kingsbrae Garden, some rights reserved (CC BY-NC-SA)
- 32. (c) Erik Danielsen, some rights reserved (CC BY-NC), uploaded by Erik Danielsen
- 33. (c) krancmm, some rights reserved (CC BY-NC), uploaded by krancmm
- 34. (c) Jim Morefield, some rights reserved (CC BY)
- 35. (c) William Terry Hunefeld, some rights reserved (CC BY), uploaded by William Terry Hunefeld
- 36. (c) Brent Franklin, some rights reserved (CC BY-NC), uploaded by Brent Franklin
- 37. (c) Richard Reynolds, some rights reserved (CC BY-NC), uploaded by Richard Reynolds
- 38. (c) Fluff Berger, some rights reserved (CC BY-SA), uploaded by Fluff Berger
- 39. (c) Jim Morefield, some rights reserved (CC BY), uploaded by Jim Morefield
- 40. (c) Lize von Staden, some rights reserved (CC BY-NC), uploaded by Lize von Staden
- 41. (c) Tony Frates, some rights reserved (CC BY-NC-SA)
- 42. (c) marlin harms, some rights reserved (CC BY)
- 43. (c) Brent Miller, some rights reserved (CC BY-NC-ND)
- 44. (c) Wayfinder_73, some rights reserved (CC BY-NC-ND)
- 45. (c) Fred Melgert / Carla Hoegen, some rights reserved (CC BY-NC), uploaded by Fred Melgert / Carla Hoegen
- 46. (c) J. N. Stuart, all rights reserved, uploaded by J. N. Stuart
- 47. (c) Katja Schulz, some rights reserved (CC BY-NC)
- 48. (c) Chuck Sexton, some rights reserved (CC BY-NC), uploaded by Chuck Sexton
- 49. (c) Stan Shebs, some rights reserved (CC BY-SA)
- 50. (c) Dawn Endico, some rights reserved (CC BY-SA)
- 51. (c) Bob O'Kennon, some rights reserved (CC BY-NC), uploaded by Bob O'Kennon
- 52. (c) David Bygott, some rights reserved (CC BY-NC-SA)
- 53. (c) Corey Lange, some rights reserved (CC BY-NC), uploaded by Corey Lange
- 54. (c) Andrew Hollander, some rights reserved (CC BY-NC-SA)
- 55. (c) Kenneth Bader, some rights reserved (CC BY-NC), uploaded by Kenneth Bader
- 56. (c) Matt Ogburn, some rights reserved (CC BY-NC), uploaded by Matt Ogburn
- 57. (c) Anita Gould, some rights reserved (CC BY-NC)
- 58. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo
- 59. (c) Joe Decruyenaere, some rights reserved (CC BY-SA)
- 60. (c) Belinda Lo, some rights reserved (CC BY-NC-SA), uploaded by Belinda Lo
- 61. (c) Alison Northup, some rights reserved (CC BY), uploaded by Alison Northup
- 62. (c) CK Kelly, some rights reserved (CC BY), uploaded by CK Kelly
- 63. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 64. no rights reserved, uploaded by Robb Hannawacker