Edited by Mike Jackson, and Emmett Clarkin, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) John D Reynolds, some rights reserved (CC BY-NC), uploaded by John D Reynolds
- 2. (c) charley, some rights reserved (CC BY-NC), uploaded by charley
- 3. (c) anonymous, some rights reserved (CC BY-SA)
- 4. (c) Paul Cools, some rights reserved (CC BY-NC), uploaded by Paul Cools
- 5. (c) David Merrett, some rights reserved (CC BY)
- 6. (c) Игорь Двуреков, some rights reserved (CC BY-NC), uploaded by Игорь Двуреков
- 7. (c) kens18, some rights reserved (CC BY-NC), uploaded by kens18
- 8. (c) Robert Keereweer, some rights reserved (CC BY-NC)
- 9. (c) Ãlfheiður Magnúsdóttir, some rights reserved (CC BY-NC-SA)
- 10. (c) Gregory "Slobirdr" Smith, some rights reserved (CC BY-SA)
- 11. (c) Len Blumin, some rights reserved (CC BY-NC-ND)
- 12. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 13. (c) Mark Rosenstein, some rights reserved (CC BY-NC)
- 14. (c) Grahame, some rights reserved (CC BY-NC-ND), uploaded by Grahame
- 15. (c) Jörg Hempel, some rights reserved (CC BY-SA)
- 16. (c) Rick Leche - Photography, some rights reserved (CC BY-NC)
- 17. (c) Joanne Redwood, some rights reserved (CC BY-NC), uploaded by Joanne Redwood
- 18. (c) Avia Venefica, some rights reserved (CC BY)
- 19. (c) Mark Kilner, some rights reserved (CC BY-NC-SA)
- 20. (c) Brian Hinds, all rights reserved, uploaded by Brian Hinds
- 21. (c) Bob, some rights reserved (CC BY-NC-ND)
- 22. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 23. (c) Owen Strickland, some rights reserved (CC BY), uploaded by Owen Strickland
- 24. (c) cedimaria, some rights reserved (CC BY-NC)
- 25. (c) dominic sherony, some rights reserved (CC BY-SA)
- 26. (c) Mike Baird, some rights reserved (CC BY)
- 27. (c) Emőke Dénes, some rights reserved (CC BY-SA)
- 28. (c) Guy Monty, some rights reserved (CC BY-NC-SA)
- 29. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 30. (c) M. Goff, some rights reserved (CC BY-NC-SA), uploaded by M. Goff
- 31. (c) Roger Butterfield, some rights reserved (CC BY-NC-SA)
- 32. (c) Caleb Slemmons, some rights reserved (CC BY-NC)
- 33. (c) Blake Matheson, some rights reserved (CC BY-NC)
- 34. (c) jomilo75, some rights reserved (CC BY)
- 35. (c) Stephen Clegg, some rights reserved (CC BY-NC-ND)
- 36. (c) Blake Maybank, some rights reserved (CC BY-NC-ND)
- 37. (c) Alastair Rae, some rights reserved (CC BY-SA)
- 38. (c) Keith Marshall, some rights reserved (CC BY-NC-SA)
- 39. (c) ecologyweb, some rights reserved (CC BY-NC-ND)
- 40. (c) Steve Fernie, some rights reserved (CC BY-NC)
- 41. (c) Frank Vassen, some rights reserved (CC BY)
- 42. (c) Rick Leche, some rights reserved (CC BY-NC-ND)
- 43. (c) Ingrid Taylar, some rights reserved (CC BY)
- 44. (c) Bill Carrell, some rights reserved (CC BY-NC-ND), uploaded by Bill Carrell
- 45. (c) Геннадий, some rights reserved (CC BY-NC), uploaded by Геннадий
- 46. (c) Ómar Runólfsson, some rights reserved (CC BY)
- 47. (c) Paul Roberts, some rights reserved (CC BY-NC)
- 48. (c) Sergey Yeliseev, some rights reserved (CC BY-NC-ND)