i have a pair of zebra finch.male is so cutet and so active.he always sing and jump from here to there.he keep making nest,so far he has made 3 nest in 3 differnet boxes.once he completed one nest he start to make another and left previois one.but FEMALE does not take any interest in nest, neiter see the nest.as both are 9months old and this will be their first breeding,male built nest but they have not mate yet.what is wrong with my female .plz tell me this is my first time breeding finch or any birds.