Edited by vsmith20, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Dr. Alison Northup, some rights reserved (CC BY), uploaded by Dr. Alison Northup
- 2. (c) Federico Calledda, some rights reserved (CC BY-NC), uploaded by Federico Calledda
- 3. (c) Christian Schwarz, some rights reserved (CC BY-NC), uploaded by Christian Schwarz
- 4. (c) Alan Rockefeller, some rights reserved (CC BY), uploaded by Alan Rockefeller
- 5. (c) manual crank, some rights reserved (CC BY-NC-SA)
- 6. (c) pinonbistro, some rights reserved (CC BY-SA), uploaded by pinonbistro
- 7. (c) Fluff Berger, some rights reserved (CC BY-SA), uploaded by Fluff Berger
- 8. (c) Damon Tighe, some rights reserved (CC BY-NC), uploaded by Damon Tighe
- 9. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 10. (c) Andre Silva, some rights reserved (CC BY-NC), uploaded by Andre Silva
- 11. (c) ConwaySuz, some rights reserved (CC BY-NC-ND)
- 12. (c) Nathan Wilson, some rights reserved (CC BY-SA)
- 13. (c) magikarp99, some rights reserved (CC BY-NC)
- 14. (c) Byrain, some rights reserved (CC BY-SA)
- 15. (c) Eddi Bisulli, some rights reserved (CC BY-NC), uploaded by Eddi Bisulli
- 16. (c) jefferykarafa, some rights reserved (CC BY-NC), uploaded by jefferykarafa
- 17. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
- 18. (c) noah_siegel, some rights reserved (CC BY-NC-SA), uploaded by noah_siegel
- 19. (c) Warren Cardimona, some rights reserved (CC BY-NC), uploaded by Warren Cardimona
- 20. (c) dnordin, some rights reserved (CC BY-NC-SA), uploaded by dnordin