Edited by Mike Jackson and Emmett Clarkin, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) NTNU, Faculty of Natural Sciences, some rights reserved (CC BY)
- 2. (c) pfaucher, some rights reserved (CC BY-NC), uploaded by pfaucher
- 3. (c) chris buelow, some rights reserved (CC BY-NC)
- 4. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
- 5. (c) Bering Land Bridge National Preserve, some rights reserved (CC BY-SA)
- 6. (c) Brian Gratwicke, some rights reserved (CC BY)
- 7. (c) Anita, some rights reserved (CC BY-NC)
- 8. (c) Gabriel Barathieu, some rights reserved (CC BY-SA)
- 9. (c) GRID Arendal, some rights reserved (CC BY-NC-SA)
- 10. (c) gailhampshire, some rights reserved (CC BY)
- 11. (c) Ecomare/Salko de Wolf, some rights reserved (CC BY-SA)
- 12. (c) Len2040, some rights reserved (CC BY-ND)
- 13. (c) BJ Stacey, some rights reserved (CC BY-NC)
