Edited by Guillermo Santos, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c)
H. Zell, some rights reserved (CC BY-SA)
- 2. no rights reserved
- 3. (c) John, some rights reserved (CC BY-NC)
- 4. (c) Maria Wheeler-Dubas, some rights reserved (CC BY-NC), uploaded by Maria Wheeler-Dubas
- 5. (c) Forest and Kim Starr, some rights reserved (CC BY)
- 6. (c) Ron Frumkin, some rights reserved (CC BY-NC), uploaded by Ron Frumkin
- 7. (c) lorenzodotti, some rights reserved (CC BY-NC), uploaded by lorenzodotti
- 8. (c) Drepanostoma, some rights reserved (CC BY-NC), uploaded by Drepanostoma
- 9. (c) Alwyn Ladell, some rights reserved (CC BY-NC-ND)
- 10. (c) Niall McAuley, some rights reserved (CC BY-NC-SA)
- 11. no rights reserved, uploaded by byb
