What's wrong with the three treasure birds not breeding

The three treasure birds can be reproduced in the wild, and the artificial breeding may not be mature, or the growth environment is not adapted.The breeding period of this bird starts from May to the end of August. It usually runs in trees or caves, and a nest can produce 3-4 eggs.After spawning, it will be incubated by the male and female birds. Due to the late nature of the pornographic birds, it will need to be fed for a long time before it will leave the nest.