I hunt in black bear, hog, and snake country without a gun all the time, but never in Grizzly country (.475 Linebaugh). On the rare occasion I'm helping track a wounded hog, I carry the big pistol or a .45 if possible, even if I'm also carrying my bow.
I've never pulled the trigger, so I suppose that means I could always have gone afield with just the bow, but I feel better and safer for my bowhunting wife and me, and that's where I draw the line. Bowhunters have their individual comfort zones, and should stay within them. Mine begins around wounded animals in the lower 48, and healthy ones in Alaska. We're going after Buff in Australia this summer, and I expect someone will have a rifle somewhere. I'll hunt without it there, but I surely woudn't track wounded Buff without it. - Jay Campbell, JD