Maximum life-span is estimated at about 18 months. This shrew is primarily insectivorous, and also feeds on spiders, worms, and centipedes. It feeds on more vegetable matter than other shrews in this genus. It is known to feed on the seeds of Douglas-fir, pine, and other plants, especially in winter. It is active throughout the year.
Fun Fact Shrews can eat almost anything. In fact, they have such a high metabolism that they have to constantly eat to stay alive. Some have to eat more than there body weight each day!