Answer:
Wild birds are green, with yellow heads, and black barring across the wings. Their beaks are quite small, and the base of the bill is usually blue. They are just six or seven inches long, and weigh no more than an ounce. These birds have long, pointed tails and wings.
States facts and evidence to back up his or her claim, and gradually persuasively create a convincing controversy to help his or her claim
A. the end of the drafting process
But, of course, it is also up to preference. I think that it is just easier to write it at the end of the drafting process because your body paragraphs can help formulate it.