Is the cuckoo be born?

Rhododendron is not viviparous.There are many types of birds, but most of them do not have the habit of building nest breeding, and there are no fixed spouses.Usually this bird will put their eggs into other bird's nests. They choose more goals, and bird eggs will change according to the color of the bird eggs of the target bird, so that the other party can be difficult to distinguish.Will be taken away.