The reason why pearl birds do not hatch eggs

Most of the pearl birds do not hatch eggs because the eggs are not fertilized or stained with other breath.This bird is usually breed in spring and summer, but as long as the climate is suitable, it is also possible to reproduce in other seasons.It is good at natural cave camp nests. The materials are mostly straw stems and leaves. Generally, the male birds bring the material back to the cave, and then the female will be built.After building it, it will start eggs. Each time can be produced 3-7, the eggs are white and have a certain luster.