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Photo Credits
- 1. (c) spqrblake, some rights reserved (CC BY-NC), uploaded by spqrblake
- 2. (c) Sascha Schulz, some rights reserved (CC BY-NC), uploaded by Sascha Schulz
- 3. (c) FishWise Professional, some rights reserved (CC BY-NC-SA)
- 4. (c) Rush Ecology, some rights reserved (CC BY-NC), uploaded by Rush Ecology
- 5. (c) Storm Martin, some rights reserved (CC BY), uploaded by Storm Martin
- 6. (c) original uploader|Roan Art|en, some rights reserved (CC BY)
- 7. (c) Chris Van Wyk, some rights reserved (CC BY-NC-ND)
- 8. (c) seasav, some rights reserved (CC BY-NC-ND), uploaded by seasav
- 9. (c) charlesavenengo, some rights reserved (CC BY-NC), uploaded by charlesavenengo
- 10. (c) etrusko25, some rights reserved (CC BY-SA)
- 11. (c) Greg Wallis, some rights reserved (CC BY-NC), uploaded by Greg Wallis
- 12. (c) Bill & Mark Bell, some rights reserved (CC BY-NC-SA)
- 13. (c) Andreas Kay, some rights reserved (CC BY-NC-SA)
- 14. (c) David Robertson, some rights reserved (CC BY-NC-ND)
- 15. (c) Chris Nash, some rights reserved (CC BY-NC), uploaded by Chris Nash
- 16. (c) teejaybee, some rights reserved (CC BY-NC-ND)
- 17. (c) Victor W Fazio III, some rights reserved (CC BY-NC-ND), uploaded by Victor W Fazio III
- 18. (c) Paul George, some rights reserved (CC BY-NC-SA), uploaded by Paul George
- 19. (c) Arthur Chapman, some rights reserved (CC BY-NC-SA)
- 20. (c) Michael, some rights reserved (CC BY-NC-SA)
- 21. (c) Chris Harrison, some rights reserved (CC BY-NC), uploaded by Chris Harrison
- 22. (c) eyeweed, some rights reserved (CC BY-NC-ND)
- 23. (c) Travis W. Reeder, some rights reserved (CC BY-NC), uploaded by Travis W. Reeder
- 24. (c) Chid Akash, some rights reserved (CC BY-NC-SA)
- 25. (c) Yu Ching Tam, some rights reserved (CC BY-NC-ND), uploaded by Yu Ching Tam
- 26. (c) Ursula Skjonnemand, some rights reserved (CC BY-NC)
- 27. (c) FAO, some rights reserved (CC BY-NC)
- 28. (c) Cerlin Ng, some rights reserved (CC BY-NC-SA)
- 29. (c) Michael Jefferies, some rights reserved (CC BY-NC)
- 30. (c) gailhampshire, some rights reserved (CC BY)
- 31. (c) Jean and Fred, some rights reserved (CC BY-NC)
- 32. (c) Victor W Fazio III, some rights reserved (CC BY-NC), uploaded by Victor W Fazio III
- 33. (c) Cora Cheng, some rights reserved (CC BY-NC), uploaded by Cora Cheng
- 34. (c) Phil Bendle, some rights reserved (CC BY-NC), uploaded by Phil Bendle
- 35. (c) Reiner Richter, some rights reserved (CC BY-NC-SA), uploaded by Reiner Richter
- 36. (c) TexasEagle, some rights reserved (CC BY-NC)
- 37. (c) Neil Saunders, some rights reserved (CC BY-ND)
- 38. (c) Malcolm Tattersall, some rights reserved (CC BY-NC-SA)
- 39. (c) Dean Morley, some rights reserved (CC BY-ND)
- 40. (c) Neil Saunders, some rights reserved (CC BY-NC-ND)
- 41. (c) franvdberg, some rights reserved (CC BY-NC), uploaded by franvdberg
- 42. (c) Sterling Sheehy, some rights reserved (CC BY), uploaded by Sterling Sheehy
- 43. (c) big-simonchan, some rights reserved (CC BY-NC), uploaded by big-simonchan
- 44. (c) ashung, some rights reserved (CC BY-NC-SA)
- 45. (c) Isai Dominguez, some rights reserved (CC BY-NC-ND), uploaded by Isai Dominguez
- 46. (c) Scott Gilmore, some rights reserved (CC BY-NC), uploaded by Scott Gilmore
- 47. (c) Simon Grove, some rights reserved (CC BY-NC), uploaded by Simon Grove
- 48. (c) Doug Beckers, some rights reserved (CC BY-SA)
- 49. (c) Alan Couch, some rights reserved (CC BY)
- 50. (c) Mononymous, some rights reserved (CC BY-NC), uploaded by Mononymous