mate aggression

So my male Lovebirds original mate is quite a messy female and always throws her food and water around. Not to mention, she was very aggressive. What I ended up doing was introduce another, more docile female to him but he attacks her when she gets near him. I am 100% sure of their genders...

Hi everyone! We have two senegal parrots, Atty and Joey, who are about 10 years old. We got them both back in December 2007 when I was 16. When we first got them, they defiinitely played the notorious "picking of favorites" when it came to members of our family but I was always in good graces...