American Black Duck in Montgomery Co., Maryland (1/2/2021). Photo by Jim Stasz. (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)