A duck's female lays five to twelve eggs. After the female begins to incubate the eggs, the male leaves the female and stays with the other male.A duck hatches three weeks to a month after it has a baby.The baby from the egg can run, swim, and find its own food in 36 hours.The baby grows fast and almost grows feathers in about a month.Baby ducks learn to fly in five to eight weeks.Sleep ducks, which are ducks that don't dive for food, usually eat wetland plants.Sea-moving ducks eat plants, roots, seeds, snails, insects, and small shells.The duck eats fish in the sea water. Once a female builds a nest, the male leaves the female and gathers in another male to furry. During the fur grinding process, the male will lose its feathers and will not be able to fly forIn early fall, the bright plumage is restored again.When the egg hatches, the female starts furry and changes all her feathers.When new feathers grow and young can fly, ducks move in groups in large lake swamps or in small seas. They usually fly in a single line or in a v-shaped plane.There are ducks that travel only short distances, and there are kinds of ducks that travel a few hundred kilometers south to avoid the winter.