Where I hunt, I wouldn't expect there to be a ton of bugling when it starts. But I would at least expect to hear some cow chatter.
I hunted this area for about 7 days last year, with more than a few days of scouting last year. This year, I've scouted several days and have hunted there a total of 4 days so far. In all those days, I haven't heard any cow talk at all. Even when they've busted me, they don't throw out an alarm bark or anything.
Considering this, would you do any cow calling to bring them in for a shot? I was out with my wife over the weekend and called a couple of times, with no results. There may not have been any within earshot, but it got me thinking about whether or not I should be cow calling when the cows seem to be so quiet themselves.