Is the blue song be vivipan?

Blue song 是 is not viviparous.The breeding of this bird is generally high in the altitude. After entering the breeding period, the male birds will make a special call. At the same time, the wings will sag, the head is lifted back, and the tail will be tilted.It will build nests on the ground, the nest is very hidden, and there are many materials. The female birds will lay eggs after completing the nests. One day will produce one. After 5-6 days, all spawning will end.