Edited by Christine Angelidis, Lara Gibson, and susangass, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) birdgal5, some rights reserved (CC BY-NC-ND)
- 2. (c) Paul, some rights reserved (CC BY-NC-ND)
- 3. (c) Charl de Martigny, some rights reserved (CC BY)
- 4. (c) Bryant Olsen, some rights reserved (CC BY-ND), uploaded by Bryant Olsen
- 5. (c) Dave Lewis, some rights reserved (CC BY-NC-SA)
- 6. (c) Linda Gail Price, some rights reserved (CC BY-NC), uploaded by Linda Gail Price
- 7. (c) Kathie Hodge, some rights reserved (CC BY-NC-SA)
- 8. (c) Nicholas A. Tonelli, some rights reserved (CC BY)
- 9. (c) treelady, some rights reserved (CC BY-NC)
- 10. (c) Lisa Brown, some rights reserved (CC BY-NC)
- 11. (c) Marc-André Jung, some rights reserved (CC BY-NC-SA)
- 12. (c) Gianpiero Meazza, some rights reserved (CC BY-NC-SA)
- 13. (c) onnola, some rights reserved (CC BY-SA)
- 14. (c) Kari Pihlaviita, some rights reserved (CC BY-NC)
- 15. (c) Arthur Chapman, some rights reserved (CC BY-NC-SA)
- 16. (c) Wendell Smith, some rights reserved (CC BY)
- 17. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC-SA)
- 18. (c) Fluff Berger, some rights reserved (CC BY-SA), uploaded by Fluff Berger
- 19. (c) Tatiana Bulyonkova, some rights reserved (CC BY-NC-SA)
- 20. (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)
- 21. (c) Ashour Rehana, some rights reserved (CC BY-NC-ND)
- 22. (c) Stanislav Krejčík, some rights reserved (CC BY)
- 23. (c) Laurence Livermore, some rights reserved (CC BY-NC)
- 24. (c) Jason Hollinger, some rights reserved (CC BY)
- 25. (c) Damon Tighe, some rights reserved (CC BY-NC)
- 26. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 27. (c) walt sturgeon, some rights reserved (CC BY-SA)
- 28. (c) Johnnie Walker, some rights reserved (CC BY-NC-ND)
- 29. (c) Didier, some rights reserved (CC BY-SA)
- 30. (c) Vee, some rights reserved (CC BY-NC-ND)
- 31. (c) Robert Fuhro, some rights reserved (CC BY-NC-ND)
- 32. (c) Maja Dumat, some rights reserved (CC BY)
- 33. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 34. (c) Ivo Antušek, some rights reserved (CC BY-NC)
- 35. (c) Giorgio Samorini, some rights reserved (CC BY-NC-SA)
- 36. (c) manual crank, some rights reserved (CC BY-NC-SA)
- 37. (c) Sheena Bizarre, some rights reserved (CC BY-NC-ND)
- 38. (c) Chris, some rights reserved (CC BY-NC-SA)
- 39. (c) Eva Skific, some rights reserved (CC BY-SA)
- 40. (c) Jason Hollinger, some rights reserved (CC BY-ND)
- 41. (c) Scott Cox, some rights reserved (CC BY-NC-ND)
- 42. (c) Jan Zdeněk Cvrček, some rights reserved (CC BY-NC)
- 43. (c) Phil Sellens, some rights reserved (CC BY)
- 44. (c) Yankech gary, some rights reserved (CC BY-ND)
- 45. (c) Danny S., some rights reserved (CC BY)
- 46. (c) Nathan Wilson, some rights reserved (CC BY-SA)
- 47. (c) anonymous, some rights reserved (CC BY-NC)
- 48. (c) Debbie Drechsler, some rights reserved (CC BY-NC-SA)
- 49. (c) Bill Russell, some rights reserved (CC BY-NC-SA)
- 50. (c) tomasz przechlewski, some rights reserved (CC BY)
- 51. (c) Jerry Cooper, some rights reserved (CC BY), uploaded by Jerry Cooper
- 52. (c) Chris, some rights reserved (CC BY-NC-ND)
- 53. (c) Vilseskogen, some rights reserved (CC BY-NC-SA)
- 54. (c) jonathantellerelsberg, some rights reserved (CC BY-NC-SA)
- 55. (c) Annelie Burghause, some rights reserved (CC BY-NC-SA)
- 56. (c) BiteYourBum.Com Photography, some rights reserved (CC BY-NC-ND)
- 57. (c) Matthew O'Donnell, some rights reserved (CC BY-NC-SA)
- 58. (c) Travis, some rights reserved (CC BY-NC)
- 59. (c) MICHEL AUBRY, some rights reserved (CC BY-ND)
- 60. (c) Ettore Balocchi, some rights reserved (CC BY)
- 61. (c) Christian Schwarz, some rights reserved (CC BY-NC), uploaded by Christian Schwarz