what is the incubation period for sparrow eggs
Sparrows are egg layers, therefore do not become pregnant. Their babies incubate inside of an egg that has been laid by the bird. The gestation period of the eggs is 10-15 day â¦ s.14 people found this useful. The Gestation for a painted turtle is 20-340 days. In some rare cases the eggs may not hatch until the next spring. The turtles may also spend the winter in their nest.