The average life span of a masked shrew is less than 14 months. Blossum, P.M. 1932. A pair of long-tailed shrews (Sorex cinereus cinereus) in captivity. Journal of Mammalogy, 13:136-143. Buckner, C.H.

the masked shrew (Sorex cinereus), the dusky or montane shrew (Sorex monticolus) and the vagrant or wandering shrew (Sorex vagrans) that seems to be dominant in the islands. Salish Sea shrew ...

Among Adirondack mammals, pygmy shrews hold several records. Some adults weigh only 2-3 g (0.11 oz) and thus are the smallest mammals in the world. This species is also one of the rarest, with only ...