Overcast and still. A gray squirrel stashes a husked walnut five feet off the ground in the crotch of a lilac stem—th...

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.