What's wrong with the Bird Birds without breeding?

There are many reasons for the non -reproduction of Bird Birds, such as the failure period of the breeding period, no breeding nests, and the failure of the pairing of male and female birds.This kind of bird breeding will be in the trunk nest before breeding, and some will also camp on the ferns. Its nest is oval, usually composed of weeds, which can be built after 18 days.After building it, it will lay eggs, 4-8 pieces per nest.Due to the late nature of the chicks, it is necessary to stay for 20-22 days, and the female birds are taken care of.