We've all experienced it — that sudden rush of blood as the pulse quickens in anticipation of a coming hunt. We can't help it, whether we're a youth just starting out, or an old pro who's seen it all. It's something built into our physiology that probably dates back to when one of our ancestors first picked up a rock to get something different on the menu.

My huskies seldom bark. When they do it is for a good reason. Now the big, black-and-white male was sitting on his haunches, barking at an aspen tree branch that hung down into the dog pen.