A skim of snow overnight; a front has blown in and the birds are so much quieter. But a cold, gray morning is fine for gray squirrel romance: a pair ascend a young tulip tree together, touching often, and descend the adjacent walnut tree, nose to tail.
black walnut
A black-and-white warbler probes the cracks between the floorboards for soft bits of grit and hair to line its nest, high in a walnut tree.*
*Or not. See here.