Utah mammals

Piute Ground Squirrel in Utah

Urocitellus mollis

Native to Utah S4 Apparently Secure in Utah

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

Piute Ground Squirrel in Utah, by the numbers

Occasional in Utah 81st most recorded of 141 mammals logged in Utah

52 occurrence records
41 with iNaturalist photos
Jun 7, 2026 Last seen in Utah

Records from 2000–2026.

52 total records count every Utah occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 51; the monthly chart covers the 51 records with a full observation date.

When to look for the Piute Ground Squirrel in Utah

Most sightings fall in March to June.

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

Monthly Utah records (table)
MonthRecords
January0
February3
March13
April12
May13
June9
July1
August0
September0
October0
November0
December0

Monthly piute ground squirrel occurrence records (iNaturalist and GBIF) in Utah, 2000–2026.

Seasonality

Year-round in Utah, with recorded sightings peaking in March–June.

Occurrence map

Where Piute Ground Squirrel has been recorded in Utah

51 records mapped · zoom and drag to explore

51 Utah records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
State Trust Lands I-80 Block 2
State of Utah Deptartment of Transportation 5365 1
Fort Deseret State Park 1

Protected places with the most piute ground squirrel 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 Utah

CountyRecords
Tooele County 26
Millard County 9
Iron County 8
Box Elder County 4
Beaver County 2
Juab County 2
Other localities 1

The complete county distribution, spread across 6 Utah counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Piute ground squirrel records track Utah’s Great Basin country almost exactly: Bonneville Salt Flats, Great Salt Lake, and the Stansbury Mountains cover the salt-desert flats and dry mountain edges this squirrel needs for open digging ground and low, sparse cover.

Reports build fast in early spring and hold at about a dozen a month from March through May, then fall off a cliff by July. That’s not just an observer pattern. Ground squirrels in this genus are known to go dormant early in summer once the desert dries out, so the drop likely reflects real animal behavior on top of when people are out looking.

iNaturalist supplies 41 of Utah’s 52 records, so casual photos rather than trapping surveys carry most of the count. NatureServe rates the species apparently secure in Utah, though it carries no global rank at all, meaning rangewide status hasn’t been formally assessed.

Occurrence data from iNaturalist and GBIF.

More mammals in Utah 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"