Is the three treasure birds born?

The three treasure birds are not born.No of the birds currently known, none of them are viviparous, so the three treasure birds are not, but eggs.The breeding period of this bird is generally from May to August. It will built a nest in the natural tree hole. It only reproduces once a year and usually produces 3-4 eggs.After 25 days of incubation, the chicks will break out of the shell, and then it will have to nurture it for a while to have the ability to live alone.