The Saint Lawrence Island shrew is restricted to St. Lawrence Island in the Bering Sea. Alaska's shrews are small, with pointed snouts and long whiskers.
Alaskan Sorex shrews are small, often gray-brown above with a paler underside. They have short legs, a long pointed snout, long whiskers, and tiny eyes.
The guide says that the species' habits are not well known. Alaskan shrews generally live mainly on the ground and eat insects, spiders, and other small invertebrates.
An extinction-risk assessment has not been added yet.