How do you get a birds lisence?

I was thinking about getting a galah but i got told you have to have a special birding lisence. If so, where or how can i get one?
Im from Australia, i do bird watching and there actual name is a Galah, i suppose there are alot of people here mainly from USA where they have a different name for them..
It looks like this:

http://photos.rnr.id.au/birds/Galah4.jpg

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