Do you need a nest?

The yellow waist willow warrior does not need a nest if it does not reproduce.After this bird enters the breeding period, it will make a nest on the side branches of the trees, about 6 meters high from the ground.Its nest is spherical and has a lot of materials. It is usually the stems and leaves of plants. It also uses grass roots, moss, and thin branches.Usually after 1-2 days after the nest is done, 1-2 days will be oiled, and one coal will produce 1 piece, and 4-5 pieces will be produced in one nest.