Edited by Risa Askerooth, some rights reserved (CC0)
Photo Credits
- 1. (c) Ken Potter, some rights reserved (CC BY-NC), uploaded by Ken Potter
- 2. (c) laurabankey, some rights reserved (CC BY-NC), uploaded by laurabankey
- 3. (c) Anthony Mendoza, some rights reserved (CC BY-NC-SA)
- 4. (c) Nicholas Sly, some rights reserved (CC BY-NC), uploaded by Nicholas Sly
- 5. (c) Jason Headley, some rights reserved (CC BY-NC), uploaded by Jason Headley
- 6. (c) Tom Okey, some rights reserved (CC BY-NC), uploaded by Tom Okey
- 7. (c) Alison Northup, some rights reserved (CC BY), uploaded by Alison Northup
- 8. (c) janices, some rights reserved (CC BY-NC)
- 9. (c) Tracy S., some rights reserved (CC BY-NC), uploaded by Tracy S.
- 10. (c) Mike Patterson, some rights reserved (CC BY-NC), uploaded by Mike Patterson
- 11. (c) Sergey Mayorov, some rights reserved (CC BY-NC), uploaded by Sergey Mayorov
- 12. (c) Peter Oehler, some rights reserved (CC BY-NC), uploaded by Peter Oehler
- 13. (c) hchrish200, some rights reserved (CC BY-NC), uploaded by hchrish200
- 14. (c) Harry Hill, some rights reserved (CC BY-NC), uploaded by Harry Hill
- 15. (c) Melanie Link-Perez, some rights reserved (CC BY), uploaded by Melanie Link-Perez
- 16. (c) J Brew, some rights reserved (CC BY-SA), uploaded by J Brew
- 17. (c) CAJC: in the PNW, some rights reserved (CC BY-SA)
- 18. (c) Jerzy Opioła, some rights reserved (CC BY-SA)
- 19. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 20. (c) edgeplot, some rights reserved (CC BY-NC-SA)
- 21. (c) Jóni Vieira, some rights reserved (CC BY-NC), uploaded by Jóni Vieira
- 22. (c) hollyyoung, some rights reserved (CC BY-NC), uploaded by hollyyoung
- 23. (c) Jeff Bisbee, some rights reserved (CC BY-NC), uploaded by Jeff Bisbee
- 24. (c) Tom Norton, some rights reserved (CC BY), uploaded by Tom Norton
- 25. (c) John Barkla, some rights reserved (CC BY), uploaded by John Barkla
- 26. (c) jessiemcfadden, some rights reserved (CC BY-NC), uploaded by jessiemcfadden
- 27. (c) Sue Wetmore, some rights reserved (CC BY-NC), uploaded by Sue Wetmore
- 28. (c) Christopher J. Earle, some rights reserved (CC BY-NC), uploaded by Christopher J. Earle
- 29. (c) Mart Hughes, some rights reserved (CC BY-NC), uploaded by Mart Hughes
- 30. (c) Kate Bullock, some rights reserved (CC BY-NC), uploaded by Kate Bullock
- 31. (c) Magnus Hagdorn, some rights reserved (CC BY-SA)
- 32. (c) t0dd, some rights reserved (CC BY-NC)
- 33. (c) Paul Reeves, some rights reserved (CC BY-NC-SA), uploaded by Paul Reeves
- 34. (c) Jon Sullivan, some rights reserved (CC BY)
- 35. (c) Josh Emm, some rights reserved (CC BY-NC), uploaded by Josh Emm
- 36. (c) Olivia Tittaferrante, some rights reserved (CC BY-NC), uploaded by Olivia Tittaferrante
- 37. (c) NatureGuy, some rights reserved (CC BY-NC-ND), uploaded by NatureGuy
- 38. (c) Valeria Pismerova, some rights reserved (CC BY-NC), uploaded by Valeria Pismerova
- 39. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 40. (c) Brian Finzel, some rights reserved (CC BY-SA), uploaded by Brian Finzel
- 41. (c) Neil Gilham, some rights reserved (CC BY-NC), uploaded by Neil Gilham
- 42. (c) Izigabo, some rights reserved (CC BY-SA)
- 43. (c) Jean-Pol GRANDMONT, some rights reserved (CC BY-SA)
- 44. (c) Reiner Richter, some rights reserved (CC BY-NC-SA), uploaded by Reiner Richter
- 45. (c) aekurtz, some rights reserved (CC BY-NC), uploaded by aekurtz
- 46. (c) Nancy Lasiter, some rights reserved (CC BY-NC), uploaded by Nancy Lasiter
- 47. (c) Dave Richardson, some rights reserved (CC BY), uploaded by Dave Richardson
- 48. (c) sveatoussaint, some rights reserved (CC BY-NC)
- 49. no rights reserved, uploaded by Rod
- 50. (c) Dee Warenycia, some rights reserved (CC BY-NC), uploaded by Dee Warenycia
- 51. (c) Glenn Brown, some rights reserved (CC BY-NC), uploaded by Glenn Brown
- 52. (c) Daniel VILLAFRUELA, some rights reserved (CC BY-SA)
- 53. (c) René Stalder, some rights reserved (CC BY-NC), uploaded by René Stalder
- 54. (c) Susan, some rights reserved (CC BY-NC), uploaded by Susan
- 55. (c) Cin-Ty Lee, some rights reserved (CC BY-NC), uploaded by Cin-Ty Lee
- 56. (c) annk, some rights reserved (CC BY-NC)
- 57. (c) Brent Miller, some rights reserved (CC BY-NC-ND)