As for tips on a female budgie's behavior. I know a little. I have four male budgies so I'm more inclined to their behavior. However, I do know that female budgies are little more territorial than males. Their chirps are softer. Yet they can have shrill calls. They are a little on the bossy side as well.
If you choose not to get her a friend, be prepared to spend a lot of time with her. They are flock animals. Hopefully she'll be easy to train. Good Luck.
Hi! I've bought this budgie about 2 weeks ago and the seller in pet store told me it's a girl but i'm not so sure about it. It's about 4 months old or so. This is my first time owning budgie so i don' t know anything about their gender and so... I have read about it on many sites and it's all about the same brown-girl blue-boy, but mine has a bit pinkish cere.. Thanks in advance! Any tips in their behavior are welcome too! <3