Do I have a chance on taming my parakeets?

I got my parakeets from 6-7 months old. I have three parakeets. Are they too old to be tamed? And I've had them for about 2-3 months now.
Answers:
It's never too late.
BUT!
They've already bonded to each other and will probably ignore you. It's difficult to tame more than one.

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HERE is what I told another person with the same problem:
My bird has the same problem. The way i take my budgie out is by swiping my pointer finger out under his claws, tripping him onto my hand. Then I grab him tail feathers with my thumb and middle, ring, and pinky fingers. this usually works taking the birds out.
As for lowering the aggressiveness, try teaching it tricks, such as "ladder", where you have him on your hand, then puttin gyour other finger from your other hand up to his breast. Again and again and again. This will give him something else to think about. That's the only thing I can think of.
When you put him on your shoulder, are you wearing any shiney stuff, like jewlry or hair gel? That might make him want to bite.
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But the other person(forgot your name!) is right--if they've bonded to each other, and even this sometimes happens with a mirror, it might be hard, as they already have companionship.

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Of course it is not to late. I know this great site for hand taming parakeets. I am doing it right now and so far so good.
This is the website: http://www.lisashea.com/petinfo/articles...