How long does it take to be born in the black?

Black 要 is born until flying for about 14 days.This bird is breeding in April to July each year. It usually builds the nest across the branches or main branches. The shape is bowl-shaped, and generally mix with branches, grass, and pine needles.When the birds lay eggs, each nest is 4-6, the color is blue-gray, and there are spots on it.Female birds are hatched throughout the process, and they usually come out of the shell after 14-15 days, and then the male and female birds are brought together.