how long does a mallard duck sit on her eggs
It takes 28 days just like any other kind of egg or just like chicken eggs.. Duck eggs are not like chicken eggs. Chicken eggs take approximately 21 days to hatch. Duck egg â¦ s, depending on species, incubator temps, and humidity levels, take between 25 and 35 days to hatch.uck eggs hatch dependi â¦ ng on the species of duck. Mallard ducks can hatch as early as 25 days, they do not follow the 28 scenario. They could also take as long as 35 days.