What happens next?

How to deal with parrotlet aggression
Identify when your parrotlet is most aggressive.
Aggression could be due to a number of causes, so observation is the first step to correcting the behavior. Note if your parrotlet is aggressive when you touch it or in response to specific sights and sounds.

Options are:
(I) Any sudden movements will also be interpreted as aggression. Your bird might seem aggressive when you try to pet it, or it might be aggressive when you avoid contact with it.;
(II) You can try placing a hand, palm facing you, on your bird's shoulder when it is showing signs of aggression. Or you can give your bird pointers at your local pet store or get your bird a clicker and switch it on if your bird needs to calm down.;
(III) If your pet bites or lunges when you touch it, you might be handling it too roughly. Give it some space, offer treats to make it more comfortable with you, and work on being more gentle when you handle it.;
(IV) For example, a rooster may suddenly spray aggressive birds with a spray bottle, or a bird may snap. If you were to be grooming your bird and you see this behavior happening, it is very likely because of aggression.;
(III)