I don't think bobcats ever left, they're just rare. I find prints occasionally when I tromp around in the winter. (North-central WI) I've never seen one, though. There's lynx once you get north of HWY 8. We've seen them. Again, they're rare. We had several sightings of cougars in the late 80s around our place, but nothing since then. For about three years, people including me saw them, and then they seemed to disappear. The rumor was that the DNR planted them on a neighbor's 320 acres. Made sense, since we always saw them near our 150 acre property or theirs.
Now that there are wolves around, hard to say what it might do to the cat situation. There should still be plenty of rabbits and rodents, not to mention deer and turkeys for all of them to eat.
Deer hunters spend so much time trying to pattern deer that we forget that we also can be "patterned." After all, most of us hunt the same days and the same hours, so it isn't difficult for deer to figure us out.
While we would never recommend giving up hunting the traditional moving times for deer -- early morning and late evening -- it's important to keep in mind that deer will move at other times of the day. Sometimes hunting through lunch, or getting in your stand earlier than usual for an...