Her camouflage coloring will help ... impact 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 pair of mallard ducks swim along the edge of a frozen portion of the lake at Mountwood Park Friday morning. Ice is still ...

A close cousin to the Mallard, the black duck will be forever associated with ... tell the difference between hens and drakes is by the color of their bills—drakes have bright yellow bills ...