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

  1. LC
  2. NT
  3. VU
  4. EN
  5. CR
  6. EW
  7. EX

LC – Least Concern

Widespread and abundant; not at risk.

American Shrewmole in Washington, by the numbers

Common in Washington 41st most recorded of 145 mammals logged in Washington

478 occurrence records
408 with iNaturalist photos
Jun 28, 2026 Last seen in Washington

Records from 2000–2026.

478 total records count every Washington occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 300; the monthly chart covers the 460 records with a full observation date.

When to look for the American Shrewmole in Washington

Most sightings fall in April to June.

460 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)
MonthRecords
January17
February15
March39
April73
May76
June61
July28
August44
September67
October30
November3
December7

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

Seasonality

Year-round in Washington, with recorded sightings peaking in April–June, with a smaller rise in September.

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 monumentiNaturalist records
Washington State Department of Natural Resources (WADNR) State Resource Management Area 32
Bridle Trails 7
Saint Edward 4
Snoqualmie National Forest 3
Daniel J. Evans Wilderness Area 3
Buckhorn Wilderness 3
Ross Lake National Recreation Area 2
San Juan Islands National Monument 2

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

CountyRecords
King County 171
Snohomish County 74
Kitsap County 37
Jefferson County 28
Thurston County 27
Whatcom County 25
Pierce County 21
Clark County 20
Clallam County 8
Pacific County 8
Skagit County 8
Mason County 6
7 other counties 45

The complete county distribution, spread across 19 Washington counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

For Washington, the American shrewmole has a 478-record occurrence file covering 2000 to 2026. That file pairs 408 iNaturalist records with 335 GBIF records; the sources overlap, so they don’t add up to the total.

The monthly maximum occurs in May with 76 records; the minimum is November, with 3. Among named places, a state resource management area accounts for the most, with 32 records. The contrast describes documentation effort and timing; it cannot be read as a census.

Occurrence data from iNaturalist and GBIF.

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"