From the North Beach boardwalk, where I take my morning walks, I have seen a small, mixed flock of Bay ducks, hanging close to the shore: mainly scaup, bufflehead, goldeneye and canvasback. This is a tiny remnant of the vast flocks that once wintered here.
In December I called the Canada goose an icon of the Chesapeake. Canvasback ducks also deserve the label, though more for their historical place than present day. Until recent decades, the Chesapeake hosted more...