Washington mammals

American Shrewmole in Washington

Neurotrichus gibbsii

Native to Washington S5 Secure in Washington

Not listed as nonindigenous in Washington by USGS NAS; native to its Washington range.

IUCN Red List status

LC – Least Concern

Widespread and abundant; not at risk.

Photo: Deniz Wilson · CC0American shrewmole on conifer needles and leaf litterPhoto: Tim Gage · CC BY-SA 2.0American shrewmole on a mossy forest floor

Photo: Deniz Wilson · CC0American shrewmole on conifer needles and leaf litterPhoto: Tim Gage · CC BY-SA 2.0American shrewmole on a mossy forest floor

American Shrewmole in Washington, by the numbers

Common in Washington 47th most recorded of 145 mammals logged in Washington

1,844 occurrence records

371 with iNaturalist photos

Jun 28, 2026 Last seen in Washington

Records from 2000–2026.

1,844 total records count every Washington occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 300; the monthly chart covers the 1,832 records with a full observation date.

When to look for the American Shrewmole in Washington

Most sightings fall in July to August.

1,832 Washington occurrence records (iNaturalist and GBIF) by month of year, 2000–2026. Shows when the species is recorded, not a guarantee of presence.

Monthly Washington records (table)

Month	Records
January	27
February	29
March	73
April	140
May	197
June	205
July	330
August	407
September	194
October	164
November	48
December	18

Monthly american shrewmole occurrence records (iNaturalist and GBIF) in Washington, 2000–2026.

Seasonality

Year-round in Washington, with recorded sightings peaking in July–August.

Occurrence map

Where American Shrewmole has been recorded in Washington

300 records mapped · zoom and drag to explore

300 Washington records mapped

Notable places to look

Park, forest, or monument	iNaturalist records
Ross Lake National Recreation Area	159
Mount Rainier National Park	114
Washington State Department of Natural Resources (WADNR) State Resource Management Area	53
Goat Rocks Wilderness	19
Lewis and Clark National Historical Park	15
Snoqualmie National Forest	13
Lake Chelan National Recreation Area	13
William O. Douglas Wilderness	13

Protected places with the most american shrewmole sightings, from the USGS Protected Areas Database plus named mountain ranges, good spots to look, not a full breakdown, so they don't sum to the total.

Where it's recorded in Washington

County	Records
King County	363
Pierce County	191
Whatcom County	187
Clallam County	162
Thurston County	148
Lewis County	127
Pacific County	122
Jefferson County	98
Grays Harbor County	88
Snohomish County	83
Kitsap County	62
Skamania County	43
10 other counties	170

The complete county distribution, spread across 22 Washington counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

For Washington, american shrewmole has a 1,844-record occurrence file covering 2000–2026. The overlay pairs 371 iNaturalist records with 1,732 GBIF records, a source mix that matters when interpreting the map. Measured strictly by submitted records, it sits 46 in the 126-species state list.

The monthly maximum occurs in August with 407 records; its minimum is December in 18. A place-level count is available for Olympic National Park, which accounts for 5 records. The contrast describes documentation effort and timing; it cannot be read as a census.

Occurrence data from iNaturalist and GBIF.

Full species profile American Shrewmole Neurotrichus gibbsii Size 8.1 cm3.2 in Weight 10 g0.4 oz View the full profile

More mammals in Washington in the atlas

Data & sources

The data and visualizations on this page draw on these open sources:

GBIFCC-BY 4.0occurrence records behind the range map, elevation, and record counts
iNaturalistCC0 / CC-BY / CC-BY-SAobservations, photos, and audio recordings
NatureServe ExplorerCC-BYthe state conservation rank
IUCN Red Listattributed factthe global conservation status
USGS NASpublic domainnative / introduced status
Natural Earthpublic domainthe relief basemap
USFSpublic domainnational-forest boundaries
USGS Protected Areas Databasepublic domainthe named parks, forests, and refuges behind "notable places to look"