masked shrew(n = noun.animal) sorex cinereus - commonest shrew of moist habitats in North America;
is a kind of shrew, shrewmouse

american shrew mole, american water shrew, asiatic shrew mole, common shrew, european water shrew, least shrew, masked, masked ball, mediterranean water shrew, otter shrew, pen-tailed tree shrew, short-tailed shrew, shrew, shrew mole, tree shrew, water shrew