Diving ducks are a type of waterfowl that feed by diving underwater. The crossword solutions for the term DIVING DUCK include SMEW (4 letters), REDHEAD (7 letters), SCOTER (6 letters), POCHARD (7 letters), SCAUP (5 letters), MERGANSER (9 letters), TEAL (4 letters), CANVASBACK (10 letters), and EIDER (5 letters). All of these species are members of the Anatidae family, which includes ducks, geese, and swans. They are found in both freshwater and saltwater habitats, and they use their strong feet and webbed toes to propel themselves underwater.