Vermont mammals

Smoky Shrew in Vermont

Sorex fumeus

Native to Vermont S4 Apparently Secure in Vermont

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

Smoky Shrew in Vermont, by the numbers

Occasional in Vermont 40th most recorded of 65 mammals logged in Vermont

102 occurrence records
20 with iNaturalist photos
Sep 30, 2025 Last seen in Vermont

102 total records count every Vermont occurrence from GBIF and iNaturalist; the monthly chart covers the 98 records with a full observation date.

When to look for the Smoky Shrew in Vermont

Most sightings fall in July to August.

98 Vermont occurrence records (iNaturalist and GBIF) by month of year. Shows when the species is recorded, not a guarantee of presence.

Monthly Vermont records (table)
MonthRecords
January2
February3
March1
April5
May6
June11
July25
August29
September8
October2
November3
December3

Monthly smoky shrew occurrence records (iNaturalist and GBIF) in Vermont.

Seasonality

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

Occurrence map

Where Smoky Shrew has been recorded in Vermont

102 records mapped · zoom and drag to explore

102 Vermont records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Hazens Notch State Park 3
Green Mountain National Forest 2
Green Mountains 1

Protected places with the most smoky shrew 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 Vermont

CountyRecords
Windsor County 31
Rutland County 18
Orleans County 17
Essex County 7
Orange County 6
Chittenden County 5
Lamoille County 5
Caledonia County 4
Addison County 3
Washington County 3
Windham County 1
Franklin County 1
Bennington County 1

The complete county distribution, spread across 13 Vermont counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Vermont’s occurrence databases hold 102 records for the smoky shrew, most of them GBIF specimen entries with a smaller share from iNaturalist. That thin count fits an animal that spends its life working through leaf litter most people never look at closely.

Hunting through the duff, not the open ground

This shrew forages in the deep leaf litter and decaying wood of moist hardwood forest, picking off the invertebrates that live in that layer rather than hunting in open grass or water the way some of its relatives do. In Vermont that points to the hardwood coves of the Green Mountains and the forested uplands above the Connecticut River valley, both places where a thick duff layer builds up under a closed canopy.

A midsummer spike in the record book

Vermont’s recorded sightings jump sharply in July and August after a much quieter spring. Shrews breed fast and live short lives, so a summer generation of young dispersing through the leaf litter likely puts more individuals within reach of the surveys and pitfall traps that document this species, rather than any sudden change in the forest itself.

Status in Vermont

NatureServe ranks the smoky shrew S4, apparently secure, and it’s native to Vermont. It holds on wherever the state’s hardwood forest keeps a deep, undisturbed litter layer intact.

Occurrence data from iNaturalist and GBIF.

More mammals in Vermont 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"