Nest building, most birds in the breeding season, in their nest area, the use of plant fiber, branches, leaves, weeds, soil, animal hair or bird feathers, etc., to build a nest that can prevent bird eggs from rolling and scattering, and can be evenly incubated by the temperature of the parent birds at the same time and is conducive to the parent birds to feed their nests.

Nest building is mainly due to the heat preservation function of the nest to slow down the heat loss, which is conducive to the growth and development of young chicks. The process of nesting is helpful to stimulate physiological activities, so that the oocytes in the body mature and excrete rapidly, so that the reproductive behavior will not be interrupted.

Source: @noodletattoo