Mallard vs. Duck

Difference Between Mallard and Duck
Mallardnoun
A common and widespread dabbling duck, Anas platyrhynchos, whose male has a distinctive dark green head.
Duckverb
(intransitive) To quickly lower the head or body in order to prevent it from being struck by something.
Mallardnoun
wild dabbling duck from which domestic ducks are descended; widely distributed
Duckverb
(transitive) To quickly lower (the head) in order to prevent it from being struck by something.
Duckverb
(transitive) To lower (something) into water; to thrust or plunge under liquid and suddenly withdraw.
Duckverb
(intransitive) To go under the surface of water and immediately reappear; to plunge one's head into water or other liquid.
Duckverb
(intransitive) To bow.
Duckverb
(transitive) To evade doing something.
Duckverb
(transitive) To lower the volume of (a sound) so that other sounds in the mix can be heard more clearly.
Duckverb
To enter a place for a short moment.
I'm just going to duck into the loo for a minute, can you hold my bag?Ducknoun
An aquatic bird of the family Anatidae, having a flat bill and webbed feet.
Ducknoun
Specifically, an adult female duck; contrasted with drake and with duckling.
Ducknoun
(uncountable) The flesh of a duck used as food.
Ducknoun
(cricket) A batsman's score of zero after getting out. (short for duck's egg, since the digit "0" is round like an egg.)
Ducknoun
(slang) A playing card with the rank of two.
Ducknoun
A partly-flooded cave passage with limited air space.
Ducknoun
A building intentionally constructed in the shape of an everyday object to which it is related.
A luncheonette in the shape of a coffee cup is particularly conspicuous, as is intended of an architectural duck or folly.Ducknoun
A marble to be shot at with another marble (the shooter) in children's games.
Ducknoun
(US) A cairn used to mark a trail.
Ducknoun
One of the weights used to hold a spline in place for the purpose of drawing a curve.
Ducknoun
A tightly-woven cotton fabric used as sailcloth.
Ducknoun
(in plural) Trousers made of such material.
Ducknoun
A term of endearment; pet; darling.
And hold-fast is the only dog, my duck (William Shakespeare - The Life of King Henry the Fifth, Act 2, Scene 3).Ducknoun
(Midlands) Dear, mate (informal way of addressing a friend or stranger).
Ay up duck, ow'a'tha?Ducknoun
small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs
Ducknoun
(cricket) a score of nothing by a batsman
Ducknoun
flesh of a duck (domestic or wild)
Ducknoun
a heavy cotton fabric of plain weave; used for clothing and tents
Duckverb
to move (the head or body) quickly downwards or away;
Before he could duck, another stone struck himDuckverb
submerge or plunge suddenly
Duckverb
dip into a liquid;
He dipped into the poolDuckverb
avoid or try to avoid fulfilling, answering, or performing (duties, questions, or issues);
He dodged the issueshe skirted the problemThey tend to evade their responsibilitieshe evaded the questions skillfully