Species MammalsTrowbridge's Shrew

Trowbridge's Shrew

Sorex trowbridgii

CommonMammal
Illustration of Trowbridge's Shrew (Sorex trowbridgii)

Trowbridge's Shrew is a bicolored shrew of Pacific Coast conifer forests with a distinctive dark tail that is grayish-brown above and whitish below. It is one of the most abundant small mammals in mature Pacific Northwest forests and plays a key role in controlling bark beetle populations. Active day and night, it rarely pauses for more than a few minutes.

Habitat
Dense Pacific Coast conifer forests and associated riparian zones
Diet
Earthworms, insects, slugs, and small invertebrates
How common
Common

Best time to see a Trowbridge's Shrew

The best time to see a Trowbridge's Shrew is April–July, when about 64% of U.S. sightings happen, based on 181 research-grade iNaturalist observations.

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