Edited by Ivan Phillipsen, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 2. (c) 116916927065934112165, some rights reserved (CC BY-SA), uploaded by 116916927065934112165
- 3. (c) Paul Cools, some rights reserved (CC BY-NC), uploaded by Paul Cools
- 4. (c) Paul Roberts, some rights reserved (CC BY-NC)
- 5. (c) Kjartan Birgisson, some rights reserved (CC BY)
- 6. (c) Brian Hinds, all rights reserved, uploaded by Brian Hinds
- 7. (c) Mike Baird, some rights reserved (CC BY)
- 8. (c) M. Goff, some rights reserved (CC BY-NC-SA), uploaded by M. Goff
- 9. (c) Andreas Trepte, some rights reserved (CC BY-SA)
- 10. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 11. (c) Roger Butterfield, some rights reserved (CC BY-NC-SA)
- 12. (c) Andrew, some rights reserved (CC BY-NC)
- 13. (c) ecologyweb, some rights reserved (CC BY-NC-ND)
- 14. (c) Blake Matheson, some rights reserved (CC BY-NC)
- 15. (c) Caleb Slemmons, some rights reserved (CC BY-NC)
- 16. (c) Keith Marshall, some rights reserved (CC BY-NC-SA)
- 17. (c) Steve Fernie, some rights reserved (CC BY-NC)
- 18. (c) Alastair Rae, some rights reserved (CC BY-SA)
- 19. (c) Mark Kilner, some rights reserved (CC BY-NC-SA)
- 20. (c) Kari Pihlaviita, some rights reserved (CC BY-NC)
- 21. (c) Ulrich Latzenhofer, some rights reserved (CC BY-SA)
- 22. (c) Vitaliy Khustochka, some rights reserved (CC BY-NC)
- 23. (c) Emőke Dénes, some rights reserved (CC BY-SA)
- 24. (c) Agustín Povedano, some rights reserved (CC BY-NC-SA)
- 25. (c) Anita, some rights reserved (CC BY-NC)
- 26. (c) Pierre Dalous, some rights reserved (CC BY-SA)
- 27. (c) Nik Borrow, some rights reserved (CC BY-NC)
- 28. (c) Mike Patterson, some rights reserved (CC BY-NC), uploaded by Mike Patterson
- 29. (c) Frank Fogarty, some rights reserved (CC BY-NC), uploaded by Frank Fogarty
- 30. (c) Karen and Mike, some rights reserved (CC BY), uploaded by Karen and Mike
- 31. (c) Lorin Timaeus, some rights reserved (CC BY), uploaded by Lorin Timaeus