I would break your list down into Primary, Secondary and Optional. Meaning, I really want these 1 or 2. But, if we come across anything really old or special from the other two lists, let's go for it. By talking these through with the PH they will know where to focus but also understand that you are flexible to take advantage of what Africa offers (as others have said). And, be open to something that doesn't make your list and the PH and Trackers get really excited when they see it - might be the animal of a lifetime and your priorities change right then and there.