Courtesy of Ronnie Smith, USFWS / Flickr Creative Commons

Courtesy of Will Parson, Chesapeake Bay Program / Flickr Creative Commons

Courtesy of Steve Droter, Chesapeake Bay Program / Flickr Creative Commons

Courtesy of Will Parson, Chesapeake Bay Program / Flickr Creative Commons

Courtesy of Will Parson, Chesapeake Bay Program / Flickr Creative Commons

Courtesy of Duane Raver / US Fish & Wildlife Service National Digital Library