Several months ago I added a young male budgie to my older female. She is fairly tame and acts like all other parakeets I have ever had. He will not tame down, and sporadically will fly like a banshee around the cage, literally tossig himself against the walls, top and floor. This can occur at any time of day or night, and does not seem to be caused by any sort of external happening--although changing feed or water, or just looking at them up close can also set him off, as does ANY reaching into the cage. However, most of the time he goes berzerk for no apparent reason, when no one is anywhere near his cage. Last night at about 2 or 3 am he went berzerk. No lights, no noise, no nothing until he started his rampage. Poor girl was sitting motionless on her perch until he bashed into the side of the cage near ber and she flew down to the floor for refuge. Any idea what is going on? Or how to calm him down?