My two linnies have been living together for 3 years and are super bonded. They currently raised 5 chicks which are just about to fledge. Today, the male, Stitch just started to attack the female for no reason that I can tell. They were getting along fine, and just a few hours ago he started screeching and flying all over the cage attacking her....biting her wings, tail, etc. Even when she flies away he chased her and attacked her. I usually let the birds figure it out by themselves, but this went on for more than a few minutes and the female was looking stressed.
This morning, when I had the chicks out he kind of started getting really lovey on my shoulder (

he does that often) and he did get a little mad at the female and chased her around the room (even tried attacking the lutino chick before realizing that wasn't the adult female) but then I put them away and they even groomed each other and everything seemed fine.
Just this afternoon he lost it

I currently have him in a separate cage, but I don't know what to do. And is one parent enough to finish raising the chicks? I clipped his wings to slow him down(he'll grow them by the end of summer when he molts) and he grabbed her by the head and was really attacking her. I think he is the better feeder, but with this behavior I'm afraid he'll snap and hurt the chicks.
HELP!
