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.
How long does it take to hatch a black bird egg?   10-19 days i think!!!!!!! and then a further 10-19 days before the chick becomes a fledgling.he length of time it takes baby birds to hatch varies widely from species to species. Some emerge from the egg immediately, while others can take hours.