Mallard ducks have pointed wings and short rounded or square-tipped tails. They have mottled brown feathers punctuated by a patch of blue on the wings. Male Mallards have green heads and yellow ...

and the hens a softer mallard-like quack. Drakes are often heard making a repeated cooing sound during spring courtship. Unlike pintails, widgeon, and green-wing teal, canvasback ducks are ...

Some of these characteristics were consistent with this New York mallard. So, I contacted Dr. Mike Brasher from Ducks Unlimited, and he put me in touch with the relatively new duckDNA program.

That is to say, the first drake (male) duck. With his iridescent green head and yellow bill ... point — the impact of human actions on the mallard’s biology. Until the early 1900s, for ...