ummm...What do you do with the otter carcass after you retrieve it? You measure it and take some stats but...are there some things in your freezer we don't want to know about?
Have a good workout. It's better than any treadmill.
"My actions are my only true belongings. I cannot escape the consequences of my actions. My actions are the ground upon which I stand." Thich Nhat Hanh