Amazing, ain't it?

But aside from that, I've generally been able to know which end of an animal the scope's pointed toward at close range, because of pointing the rifle in that direction. There's a big difference in the angle between front end and back end of, say, a moose or Cape buffalo at close range.

“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck