the only thing that i can think of is that they move before they hatch, which is usually a sign that they are about to hatch.
No, they occasionally leave it to get water and/or food
They don't, they just sit on their eggs until they hatch. Ducks will still try to care for the eggs that do not hatch, eventually they will give up.
In eggs
the ducks hatch in the spring normaly in the 2nd week
yes and they do
Wild ducks certainly do and many farms have ducks that set eggs each spring but there are hatcheries that incubate duck eggs just as most chickens are produced in a hatchery.
the fact about duck eggs are that it take about 28 day to hatch.
21 to 30 days
Ducks typically incubate their fertilized eggs for about 28 days, depending on the species. During this time, the female will sit on the eggs to maintain warmth and humidity, ensuring proper development. After this incubation period, the ducklings hatch and are usually able to swim and feed themselves shortly after.
The fertilized egg develops after it's laid. The developing embryo grows inside the egg until it's grown enough to hatch out. The egg contains a tiny air-sac to allow the baby duck to take a breath while it fights to break the shell. The babies are alive inside the egg.
Yes. She believes all the eggs are fertile. Ducks have been known to sit on objects similar to eggs such as golf balls.
When a female lays an egg, after 28 days, (35 for Muscovies) it will hatch into a duckling, if the mother takes care of it all 28 (or 35) days. However, the Pekin duck will most likely not sit on the eggs, so Pekin eggs require man-made incubation.