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Dr. Pat
Dr. Pat, Bird Veterinarian
Category: Bird Veterinary
Satisfied Customers: 4244
Experience:  25+ years working primarily or exclusively with birds
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My female budgie has become very aggressive in the last few

Customer Question

My female budgie has become very aggressive in the last few days. She is about 3 years old, single bird with free rain to fly around our home. She is usually very loveable, likes to play, preen our lips and ears and sit quiety on our shoulder. Now we can't get her off our shoulder, she flies and lands on our faces and bites hard. When she is in her cage, she won't stop climbing, hanging upside down, being very rough with her toys. I can only describe her hyperactivity like a "bird on crack" . It is scary and painful to see her so worked up. Could it be something hormonal going on? Any ideas?
Submitted: 7 years ago.
Category: Bird Veterinary
Expert:  Dr. Pat replied 7 years ago.
Yes it could be hormonal, and she may be very angry with you.

There a several things to start IMMEDIATELY:

Make sure she gets 12-14 hrs of dark quiet, uninterrupted sleep, and starting out I would definitely go with the 14 hours for a week at least.

Estrogen can be increased by a high fat diet, and seeds, treats, millet etc are an unnatural and very high fat diet for budgies. A seed diet can lead to hyperestrogenism, tumors, aggressive behavior, and constant reproductive stimulus. So she needs to get on a good diet right away. Birds should be on a high-quality, preferably prescription, pelleted diet. In addition, they should be offered dark leafy greens, cooked sweet potatoes, yams, squash, pumpkin; entire (tops and bottoms) fresh carrots and so forth. No seeds (and that means a mix, or millet, or sprays, etc etc.) and only healthy, low-fat high fiber people food. A dietary change should be closely monitored and supervised by your avian vet.


She needs to be occupied and not allowed shoulder priviledges while she is in this mode. She must remain below your head at all times (ever wonder why an ellephant does what a skinny little guy on top wants? A sharp pointy stick?). No stroking of the back or other sexual stimulation.

Don't give up. I'm sure she still loves you and is as confused as you are. Get with your local avian vet for help and supervision.