Edited by T Lasswell, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Ingrid Taylar, some rights reserved (CC BY)
- 2. (c) M. Goff, some rights reserved (CC BY-NC-SA), uploaded by M. Goff
- 3. (c) Cwmhiraeth, some rights reserved (CC BY-SA)
- 4. (c) Gary W. Saunders, University of New Brunswick, some rights reserved (CC BY-NC-SA)
- 5. (c) Bill Bouton, some rights reserved (CC BY-SA)