The smoky shrew, Sorex fumeus, is a medium-sized North American shrew found in eastern Canada and the northeastern United States.
It is dull grey in color with a lighter underside. It has a long tail that is brown on top and yellowish underneath. During winter, its fur is grey. Its body is about 4.33 inches (11 cm) long including a 1.57 in (4 cm) long tail. It weighs about .18 oz (5 g).
This animal is found near streams in cool damp deciduous and mixed woods. Its range extends further south along the Appalachian Mountains. It makes extensive burrows in the leaf litter on the forest floor. It also uses tunnels created by moles or other shrews.
Its diet includes insects, earthworms, snails and small mammals. Predators include owls, snakes and mustelids.
This animal is active year-round. The female has 2 to 3 litters of 5 to 7 young in a nest in a stump or under a log.