An American Black Duck in coastal Worcester Co., Maryland (2/25/2006). Photo by Bill Hubick. (MBP list)
An American Black Duck in Montgomery Co., Maryland (5/2/2015). Photo by Max Wilson. (MBP list)
An American Black Duck in Baltimore City, Maryland (12/8/2012). Photo by Jim Stasz. (MBP list)
An American Black Duck at Patterson Park in Baltimore City, Maryland (3/18/2014). A drake Mallard is in the foreground. Photo by Mike Hudson. (MBP list)
An American Black Duck in St. Mary's Co., Maryland (10/18/2017). Photo by Jim Stasz. (MBP list)
American Black Ducks foraging in Worcester Co., Maryland (11/13/2016). Photo by Bill Hubick. (MBP list)