how long does it tske for duck eggs to hatch
How Long Does it Take a Duck to Hatch? A wild duck nesting on your property is likely to be a mallard. Her eggs take 25 to 29 days to hatch, according to the U.S. Geological Survey website.n an incubator, a duck egg loses 14 percent of its weight from water loss. The air cell in the egg enlarges to take up a third of the shell. The egg's weight and the size of its air cell are the main ways to tell if the egg is near the end of its incubation period.