Hello everyone..... my name is Carl and I have a new member of my family.Her name is Maggie ..a 31 year old Cockatoo...she has chosen me to be her human...She is Amazing and very sweet to me.. Not so much for my girlfriend and brother...I am the 4th person that she has ever been around..she was raised by 1 person for the 1st 30yrs of her life and then in a rescue home for a year...that's where I found her...she has a problem with aggressive behavior towards my girlfriend and brother....what can I do to help her.... thanks for any suggestions..., Carl