A short rattler story here. Buddy and I were hunting rattlers some years ago here. Mountainous, rocky area, with a few old, abandoned, collapsed farm buildings. Buddy walks ON a weathered plank & steps off it, takes a couple more steps. I used a hoe to turn the plank over - big black timber rattler coiled under the plank he just stepped on. It did not rattle. I told him to turn around & look at what was under the plank. His eyes got as big as saucers, and the color went out of his face. Needless to say, we both were on red alert the rest of the day! They don't always rattle as a warning.