[FaeryBee]

Have you taken your budgie (name) to the Avian Vet for a proper diagnosis and treatment plan?
What was determined during the visit?

 

[FaeryBee]

Please update us on this thread after her appointment.

Good luck.

 

[FaeryBee]

How much time are you spending with her each day?

Feather Picking/Plucking/Chewing/Over-Preening


Perhaps you can consider working with her doing clicker training to help alleviate her boredom.

Positive Reinforcement in Training.
Basics of Clicker Training

 

[FaeryBee]

She may have been molting or going into breeding condition at that time. How old is she now?

 

[FaeryBee]

She entered her adolescent stage.

Why is my young bird suddenly aggressive?