- Courtesy of Charlene Wood / Flickr Creative Commons
- Courtesy of Paul Albertella / Flickr Creative Commons
- Courtesy of Bob Henricks / Flickr Creative Commons
- Courtesy of G. Bohne / Wikimedia Creative Commons
- Courtesy of Friedrich Böhringer / Wikimedia Creative Commons
- Photo by MDC Staff, Courtesy of Missouri Department of Conservation
- Photo by MDC Staff, Courtesy of Missouri Department of Conservation
- Courtesy of JJ Harrison / Wikimedia Creative Commons