S9 all blue with dark S10 and remainder of abdomen largely dark.
incidental observations while on algal collecting foray
According to my Peterson field guide, this duck is very rare along in the United States!! Because they're rare in the states, I'm not going to mark them on my map! Their location is secret! Let them winter over in peace!
Baker County, Florida, US
Osceola National Forest, FL
North American Field Herping Association
Southeast Chapter group trip, Spring 2010