Massachusetts’s occurrence tallies for the smoky shrew hold just 12 records, one of the sparsest counts in this atlas. Half of them come from Worcester County, with Franklin County adding 3 and Berkshire, Hampshire, and Middlesex counties one each, mostly the cool, wooded uplands of central and western Massachusetts.
Cool, damp ground over open ground
The smoky shrew needs consistently moist, cool soil under a thick layer of leaf litter and rotting logs, conditions that show up on shaded, rocky slopes more than open fields. The forested hills of Worcester and Franklin counties offer plenty of that, with shaded ravines and stream edges that hold damp leaf litter even through a dry summer.
An animal that can’t afford to stop eating
Like every shrew, the smoky shrew runs on a metabolism too fast to fast: it has to eat close to its own weight in insects, worms, and other invertebrates most days just to survive, hunting in short bursts around the clock rather than settling into one daily routine. July holds the most records, 4 of the 12, in the season when both the shrews and their invertebrate prey are most active near the surface, but that’s too few to show a real seasonal pattern.
Status in Massachusetts
NatureServe ranks the smoky shrew S5, secure, and it’s native to Massachusetts. That rank points to a species tied to a specific damp, cool patch of forest floor rather than one under any particular pressure, even though its low, secretive habits mean it rarely gets recorded.
Full species profile
