A little explanation of what you see here. This is a zoomed in shot of the skim ice on the lake down in my Ozark woods. What you see frozen there was liquid only a few hours later (and is undoubtedly frozen again now). What I want to draw your attention to, however, are the three black shapes near the top center of the photo. Those are water bugs of some kind. And they were moving about under the ice.
I suppose they were hunting (for what else would they have to do? it’s too early for their holiday parties, and if they were at Roundrock — as I was that day — then they were definitely not participating in the national shame known as Black Friday).
I must constantly remind myself that the human threshold for activity is not the standard for all critters. Though it was cold that morning (yet not so cold that Pablo wasn’t out walking on his dam in the late autumn sun), and I might have wanted to be in a chair under a blanket by a fire (reading your blog, of course), many of the other living things in the Ozark forest were going about their lives, accommodating to the weather but otherwise keeping busy.