How to sex a Budgerigar?

It looks like it is a female, although the picture is blurry and it is an albino/lutino type of budgie in those type of budgies its a male if their beaks are really dark purple or hot pink, in this case it looks like a female, check for its behavior if it bobs its head up and down its a male, if it makes mad noises and is bossy around the cage with others is a female