A heavy, gray sky that from time to time emits a shimmer of fine precipitation. Woodpeckers’ rhythms turn irregular as they move from their drumming trees to their dining trees. A bit of highway noise for the first time in a week.

Three or four slow-moving squirrels crowd onto the big tulip tree. But there’s a loner 50 feet away, diving repeatedly into the snow as if unable to locate a buried nut. After a while, he retreats into the canopy to eat black birch seeds.