How many eggs are born at a time

The yellow bird has 4-6 eggs at a time.This kind of bird is more than two years old, and the breeding period will be paired first, and then the nest is camp on the tree. The nest is more hidden. Usually, it is wrapped with cobweb, moss and fiber, which looks very delicate.Both female birds and male birds will participate in the nest. After the establishment, the females will prepare for eggs. They usually breed in May-June. Birds will be brought together, but they are usually female.