I recently got a new baby boy budgie to befriend my current 2 Yr old male budgie and while they seem to want to be near eachother they also keep picking on eachother. Whenever there is food, my new budgie tries to steal from my older one causing the older one to snap at him. Sometimes they try to bite (?) the other one, and the other one snaps again. Basically, my new budgie is too annoying and my older budgie is too territorial. I have separated them sometimes but it doesn't do much. What can I do about this?