Beings no one else has started you off, i will give you a bit of advice. By all means i'm no experienced falconer, but i have read many books and been on many courses.
I would start off with the avery before you get anything else, do some research on the internet about what the ideal size that an avery for what your desired bird needs. It is ideal that you use shingle (those small stones) in the bottom of the avery. In mine, i have put a small shrub in there, but remember the shrub has to be non poisonous, or else you might wake up in the morning and your bird could be laying on the floor bro