We have all heard the expression “birds of a feather flock together.” It is meant to describe that birds will stay within their own groups. Eagles flock with eagles, ducks with ducks and so on and so forth. You would not expect birds of a different feather to flock together. In nature, you will not find ostriches camping out with robins or woodpeckers living with ospreys. Like the Word of God indicates, every living organism on planet Earth is genetically