How big you can have eggs can be produced

Blacks can have eggs in about two years.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.