Edited by Silas Eckhardt, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Goshzilla - Dann, some rights reserved (CC BY-NC-ND)
- 2. (c) Brad Walker, some rights reserved (CC BY-NC), uploaded by Brad Walker
- 3. (c) Zee Mazzacano, some rights reserved (CC BY-NC), uploaded by Zee Mazzacano
- 4. (c) Eugenio Padilla, some rights reserved (CC BY-SA), uploaded by Eugenio Padilla
- 5. (c) Steven Severinghaus, some rights reserved (CC BY-NC-SA)
- 6. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo
