Edited by Norma Piedra, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Ken, some rights reserved (CC BY-NC), uploaded by Ken
- 2. (c) Jeff Skrentny, some rights reserved (CC BY-NC), uploaded by Jeff Skrentny
- 3. (c) Thomas, some rights reserved (CC BY), uploaded by Thomas
- 4. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 5. (c) Eric Lamb, some rights reserved (CC BY), uploaded by Eric Lamb
- 6. (c) Tony Ernst, some rights reserved (CC BY-NC), uploaded by Tony Ernst
- 7. (c) Andrea Kreuzhage, some rights reserved (CC BY-NC), uploaded by Andrea Kreuzhage
- 8. (c) fotis-samaritakis, some rights reserved (CC BY-NC), uploaded by fotis-samaritakis
- 9. (c) Kimberlie Sasan, some rights reserved (CC BY-ND), uploaded by Kimberlie Sasan
- 10. (c) Zdeňka Nováková, some rights reserved (CC BY-NC), uploaded by Zdeňka Nováková
- 11. (c) lonnyholmes, some rights reserved (CC BY-NC), uploaded by lonnyholmes
- 12. (c) Molly Robinson, some rights reserved (CC BY-NC), uploaded by Molly Robinson
- 13. (c) Fyn Kynd, some rights reserved (CC BY-SA), uploaded by Fyn Kynd
- 14. no rights reserved, uploaded by Alan Weakley
- 15. (c) Nicolas Zwahlen, some rights reserved (CC BY-NC-SA), uploaded by Nicolas Zwahlen
- 16. (c) Matt Berger, some rights reserved (CC BY), uploaded by Matt Berger
- 17. (c) Isabelle Jacobs, some rights reserved (CC BY-NC), uploaded by Isabelle Jacobs
- 18. (c) Steve Jones, some rights reserved (CC BY-NC), uploaded by Steve Jones
- 19. (c) Matt Haberkorn, some rights reserved (CC BY-NC), uploaded by Matt Haberkorn
- 20. (c) Nicholas Cowey, some rights reserved (CC BY-NC), uploaded by Nicholas Cowey
- 21. (c) J. Richard Abbott, some rights reserved (CC BY-NC), uploaded by J. Richard Abbott
- 22. (c) Alex Abair, some rights reserved (CC BY-NC), uploaded by Alex Abair
- 23. (c) psweet, some rights reserved (CC BY-SA), uploaded by psweet
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- 26. (c) J Kurylo, some rights reserved (CC BY-NC), uploaded by J Kurylo
- 27. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
- 28. no rights reserved, uploaded by Cecelia Alexander
- 29. (c) Kevin Faccenda, some rights reserved (CC BY), uploaded by Kevin Faccenda
- 30. (c) teresa_jardim, some rights reserved (CC BY-NC)
- 31. (c) C. Mallory, some rights reserved (CC BY-NC), uploaded by C. Mallory
- 32. (c) Pedro Nájera Quezada, some rights reserved (CC BY-NC), uploaded by Pedro Nájera Quezada
- 33. (c) Erin Faulkner, some rights reserved (CC BY-NC), uploaded by Erin Faulkner
- 34. (c) barloventomagico, some rights reserved (CC BY-NC-ND)
- 35. (c) Bodo Nuñez Oberg, some rights reserved (CC BY-NC), uploaded by Bodo Nuñez Oberg
- 36. (c) jim_keesling, some rights reserved (CC BY-NC), uploaded by jim_keesling
- 37. (c) Robby Deans, some rights reserved (CC BY-NC), uploaded by Robby Deans
- 38. (c) Edith Bergquist, some rights reserved (CC BY-NC), uploaded by Edith Bergquist
- 39. (c) samlutfy, some rights reserved (CC BY), uploaded by samlutfy
- 40. no rights reserved, uploaded by Patrick Alexander
- 41. (c) Sue Carnahan, some rights reserved (CC BY), uploaded by Sue Carnahan
- 42. (c) yating, some rights reserved (CC BY-NC), uploaded by yating
- 43. (c) Juan Carlos López Domínguez, some rights reserved (CC BY-NC), uploaded by Juan Carlos López Domínguez
- 44. (c) Elías Flores Ordorica, some rights reserved (CC BY-NC), uploaded by Elías Flores Ordorica
- 45. (c) Jake Smith, some rights reserved (CC BY-NC), uploaded by Jake Smith
- 46. (c) Stephen Ramirez, some rights reserved (CC BY-NC-ND), uploaded by Stephen Ramirez
- 47. (c) Heriberto Ávila-González, some rights reserved (CC BY-NC), uploaded by Heriberto Ávila-González
- 48. (c) Eugenio Padilla, some rights reserved (CC BY-SA), uploaded by Eugenio Padilla
- 49. (c) CH Hemphill, some rights reserved (CC BY-NC), uploaded by CH Hemphill
- 50. (c) 2011 Zoya Akulova, some rights reserved (CC BY-NC)
- 51. (c) Viacheslav Shalisko, some rights reserved (CC BY), uploaded by Viacheslav Shalisko
- 52. (c) Lena Zappia, some rights reserved (CC BY-NC), uploaded by Lena Zappia
- 53. (c) M. Socorro González Elizondo, some rights reserved (CC BY-SA), uploaded by M. Socorro González Elizondo
- 54. (c) Pedro, some rights reserved (CC BY-NC), uploaded by Pedro
- 55. (c) Mateo Hernandez Schmidt, some rights reserved (CC BY-NC-SA), uploaded by Mateo Hernandez Schmidt
- 56. (c) mvz-juangonzalezromero, some rights reserved (CC BY-NC), uploaded by mvz-juangonzalezromero
- 57. (c) Sam Kieschnick, some rights reserved (CC BY), uploaded by Sam Kieschnick
- 58. (c) Kevin Meza, some rights reserved (CC BY-NC), uploaded by Kevin Meza
- 59. (c) clementibus, some rights reserved (CC BY-NC), uploaded by clementibus
- 60. (c) Mike Lusk, some rights reserved (CC BY-NC), uploaded by Mike Lusk
- 61. (c) btburke, some rights reserved (CC BY-NC), uploaded by btburke
- 62. (c) Fernando Moreno, some rights reserved (CC BY-NC-SA), uploaded by Fernando Moreno
- 63. (c) Josh Olive, some rights reserved (CC BY-NC-ND), uploaded by Josh Olive
- 64. (c) Eric C. Maxwell, some rights reserved (CC BY-NC), uploaded by Eric C. Maxwell
- 65. (c) Oscar González, some rights reserved (CC BY-SA), uploaded by Oscar González