Edited by Summit Metro Parks, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) manual crank, some rights reserved (CC BY-NC-SA)
- 2. (c) Biodiversity Heritage Library, some rights reserved (CC BY)
- 3. (c) Jason Sturner, some rights reserved (CC BY)
- 4. (c) Jesse Lincoln, some rights reserved (CC BY-NC), uploaded by Jesse Lincoln
- 5. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 6. (c) birdgal5, some rights reserved (CC BY-NC-ND)
- 7. (c) Jerry Cooper, some rights reserved (CC BY), uploaded by Jerry Cooper
