duck | Definition, Types, & Facts | Britannica
https://www.britannica.com/animal/duck
duck, any of various species of relatively small, short-necked, large-billed waterfowl. In true ducks—i.e., those classified in the subfamily Anatinae in the waterfowl family Anatidae—the legs are placed rearward, as in swans, rather than forward, as …
DA: 83 PA: 28 MOZ Rank: 67