It seems as if my budgies have been intimidating each other.The first cage we had was too small for them.The first night I found my male clinging to the back of the cage,breathing hard,and my female close by.The next day we went and got them a bigger cage with plenty of room for them to move around and be apart from each other.We believed because of the small cage my female was feeling stressed so that's why she intimidated him.But every now and then she'll nip him and he'll try to move away and she usually leaves him alone,but this morning when I was changing their food and water and cleaning the cage tray she went after him a second time in a row,then he started nipping her instead.Is this normal?What should I do? cry