Sunny and still at mid-morning, with backlit leaves at the woods’ edge looking even yellower than they are. The throb of a distant engine. Squirrel teeth chiseling open a walnut. A common yellowthroat pipes up.

Overcast and still. A gray squirrel stashes a husked walnut five feet off the ground in the crotch of a lilac stem—the first I’ve actually seen one do this, though I’ve noticed walnuts stashed in shrubs and assumed it was the work of squirrels. Or perhaps just this particular squirrel, unconvinced of the need for burial.

An hour after the last raindrops, wet leaves glisten as the sun glimmers through thin clouds. The sound of teeth chiseling through a walnut shell. The stems of bent stiltgrass in the meadow begin to redden.

A cool morning with the sky mostly clear and sound out of the east: the limestone quarry’s reverse-chirping trucks, muffled clanks and booms. A squirrel high in the tree next to the road picks a walnut, sniffs it, and lets it fall with a crash.

Overcast but bright. Neither warm nor cool. A Cooper’s hawk dives at a squirrel on a walnut tree at the woods’ edge, misses, then takes fright when the squirrel turns and charges at it, and lands on a nearby limb to take stock and ruffle its feathers before taking off.

Cool and clear. Sunlight pours through a hole in the forest canopy into the crown of a black walnut tree, erasing the difference between green and yellow leaves. A mourning dove calls from the woods’ edge—not the full song, just a kind of two-syllable Wow.