What did your Hansdotter ancestors do for a living? Share Census records can tell you a lot of little known facts about your Hansdotter ancestors, such as occupation.
Best Answer: It varies by species..but most passerines (perching birds) take approximately 2 weeks to hatch their eggs, and usually another 2 weeks before the young leave the nest.
Full Answer. To know when a bird egg is going to hatch, you must know the species of bird to determine the incubation period. For example, the incubation period for dove eggs is 14 to 16 days while the incubation period for bald eagles is much longer at 35 days, and it takes up to 80 days for royal albatross eggs to hatch. Larger birds generally have longer incubation periods.