Listen for woodpeckers drumming on tree trunks; they are not only foraging for insects but also enlarging their cavities as seasonal shelter.
Robins forage for berries in wild cherry, dogwood, sumac, and viburnum.
Woolly bears, bristly black and bronze caterpillars of the Isabella tiger moth, are now likely frozen solid and will thaw out in the spring. According to myth, the length of their central stripe predicts the duration of the coming winter.
Field, vesper, chipping, and Savannah sparrows depart this month for their wintering grounds.
Yellow-rumped warblers are migrating through Massachusetts.
Full moon. The Dark Moon (Celtic).
Watch for wintering snow buntings and juncos in fields and open areas searching for seeds on withered golden grasses.
Observe wildlife tracks after snowfall—you may find prints left by foxes and skunks, or even fishers and coyotes.