Duck is a waterfowl of the middle and small sizes. Neck of duck is rather short. The tarso-metatarsus covered in front by cross-section clypeus.

The domestic duck (canard) weighs up to 4kg. Egg production is up to 250 eggs.

The duck has diversity:

            - Harlequin duck,

- Steamer duck,

- River duck,

- Wood duck,

            - Grey,

            - Ukrainian,

- Pochard,

- Musky,

- Mallard

- African sheld,

- Indian runner,

- White-headed,

- Merganser and etc.

Many ducks are objects of hunting (game birds).