Regents of the University of Michigan
Animal Diversity Web: Masked Shrew
A detailed overview of the masked shrew's characteristics, physical features and how it lives. Included are photos and classification information.
Smithsonian Institution
National Museum of Natural History: American Mammals: Cinereus Shrew
Mainly nocturnal and rarely seen, the Cinereus Shrew is nonetheless common and widespread below the timberline in northern deciduous and coniferous forests, in both wet and dry habitats. It is also known as the Masked Shrew and the...