Edited by Chiara Catalano, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Sciadopitys, some rights reserved (CC BY-SA)
- 2. (c) Superior National Forest, some rights reserved (CC BY)
- 3. (c) Natalya, some rights reserved (CC BY), uploaded by Natalya
- 4. (c) Jon Sullivan, some rights reserved (CC BY)
- 5. (c) Udo Schmidt, some rights reserved (CC BY-SA)
- 6. (c) Dendroica cerulea, some rights reserved (CC BY)
- 7. (c) HermannFalkner/sokol, some rights reserved (CC BY-NC-SA)
- 8. (c) Andreas Rockstein, some rights reserved (CC BY-SA)
- 9. (c) Dorota (Dorothy), some rights reserved (CC BY-SA)
- 10. (c) Jason Hollinger, some rights reserved (CC BY)
- 11. (c) Phil Sellens, some rights reserved (CC BY)
- 12. (c) ellen hildebrandt, some rights reserved (CC BY-NC), uploaded by ellen hildebrandt
- 13. (c) jacinta lluch valero, some rights reserved (CC BY-SA)
- 14. (c) Steve Guttman, some rights reserved (CC BY-NC-ND)
- 15. (c) Jim, some rights reserved (CC BY-NC-SA)
- 16. (c) AnneTanne, some rights reserved (CC BY-NC-SA)
- 17. (c) 106611639464075912591, some rights reserved (CC BY-NC-SA), uploaded by 106611639464075912591
- 18. (c) AnneTanne, some rights reserved (CC BY-NC)
- 19. (c) Salomé, some rights reserved (CC BY-NC-SA)
- 20. (c) --Tico--, some rights reserved (CC BY-NC-ND)
- 21. (c) Anita, some rights reserved (CC BY-NC-SA)
- 22. (c) Peter O, some rights reserved (CC BY-SA)