There is research that shows over 70 percent of young bucks travel over a mile within their first year of life. It is believed that is natures way of preventing incest. I would shoot the spikes because they probably wont be there. And if you're hunting public land, I would not care because everyone that talks about letting the little ones go is full of bs. As soon as a spike walks in front of them they will down him. People will argue that but its the truth time and time again.