Things you need to know about Ducks
Duck is the common name for a large number of species in the waterfowl family Anatidae which also includes swans and geese. Ducks are divided among several subfamilies in the family Anatidae; they do not represent a monophyletic group but a form taxon, since swans and geese are not considered ducks.
Lifespan: Mallard: 5 – 10 years
Clutch size: Mallard: 8 – 13
Wingspan: Mallard: 81 – 98 cm
Mass: Mallard: 0.72 – 1.6 kg, Canvasback: 1.2 kg
Length: Mallard: 50 – 65 cm, Canvasback: 48 – 56 cm