how to gain trust in new pet b&g macaw

she lets me feed her, but will not let me touch her. She lets my boyfriend pet her, but acts agressive with me. Former owners had her 3 months, they said she has no preferance to sexes. I am in a wheel chair, could this be bothering her?

If the wheel chair does startle her, eventually she will get used to it. So I wouldn't worry about that just yet. She will probably really get to like it when she learns that she can get rides with you!

You didn't mention her history: how old she is, how long you have had her and how long she was with the former owners. This information would be useful.

Okay let's start with the aggression:

First observe her when she is eating. I have no idea what diet she is on, but by watching what she eats first, you will learn what she likes best.

Watch her when you are eating.if she begins to lean toward your spaghetti, or your mashed potatoes.whatever it is.bingo.you might have a reinforcer right there.

The idea is to find the one thing she will "work" for. Everyone has one thing they will work for.you just have to find out what the best "paycheck" is for Her. Take that item out of her regular diet. Use it only for positive reinforcement training. Sometimes the hardest part of training is finding the correct treat, also known as a "reinforcer".

Take it slow and easy and try to spend an equal amount of time with her as your boyfriend. Offer her treats for coming over to you and taking the treat while she is in her cage. Praise her for politely taking it. Praise her wildly! Make her associate the treat with her being polite and then she will associate the "Good Girllllll!" with the treat.