Edited by Renata Leite Pitman, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Erika Mitchell, some rights reserved (CC BY-NC), uploaded by Erika Mitchell
- 2. (c) Owen Clarkin, some rights reserved (CC BY-NC), uploaded by Owen Clarkin
- 3. (c) Keith Kanoti, Maine Forest Service, USA, some rights reserved (CC BY)
- 4. (c) Michael Rayner, some rights reserved (CC BY-NC), uploaded by Michael Rayner
