Male mallards make a softer, rasping sound ... of human actions on the mallard’s biology. Until the early 1900s, for example, this most common species of duck was actually quite uncommon ...

A trip to Clumber Park in Notting-hamshire is always guaranteed to turn up some exciting birdlife, and this was no exception.

Black ducks are often found mixed in with flocks of mallards. They also make very similar sounds to their mallard cousins. The hens quack, and the drakes have a high, quiet, nasal quack.

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 ...