Franklin's Ground Squirrel

Poliocitellus franklinii

LCLeast Concern

Franklin's ground squirrel is a shy prairie-edge squirrel that spends far more time hidden than its open-country relatives. It favors tall grass and brush, gives a birdlike warning whistle, and disappears underground for much of the year. The records below show a northern Great Plains range broken into local clusters where deep soil and lasting cover remain.

Range through the year

Where Franklin's Ground Squirrel is seen

Franklin's Ground Squirrel is recorded in 10 US states from 1,367 occurrence records, most heavily in Minnesota (817 records) and Nebraska (183).

Current range1,367 records · 10 states
AlabamaArizonaArkansasCaliforniaColoradoConnecticutDelawareDistrict of ColumbiaFloridaGeorgiaIdahoIllinois · 45 records · view state pageIndiana · 13 records · view state pageIowa · 40 records · view state pageKansas · 65 records · view state pageKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesota · 817 records · view state pageMississippiMissouri · 22 records · view state pageMontanaNebraska · 183 records · view state pageNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth Dakota · 108 records · view state pageOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth Dakota · 35 records · view state pageTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsin · 39 records · view state pageWyomingAlaskaAKHawaiiHIPuerto RicoPR
Occurrence data by state and month
Franklin's Ground Squirrel – occurrence records by US state and month (1,367 total across 10 states)
StateJanFebMarAprMayJunJulAugSepOctNovDecYear
Minnesota···221671822021439281·817
Nebraska··1212323246020911183
North Dakota····442915182···108
Kansas2113119881731165
Illinois·1·215261053·145
Iowa···41236103·1140
Wisconsin····38417421·39
South Dakota···1519334···35
Missouri···12·1368·122
Indiana···11·4331··13

Based on 1,392 georeferenced US records, 2000-2026. Shading is observation density (where people record sightings), not true abundance. Alaska, Hawaii & Puerto Rico shown as insets.

Explore by state

Franklin's Ground Squirrel across 10 states

Occurrence records, conservation status, and the places it turns up, state by state. Open a state for detail, or visit its full page.

  • MinnesotaNativeCommon824 records

    State rankUnranked

    Notable placesSuperior National Forest · Miscellaneous · Baptism River State Aquatic Management Area (Lake) · Bluestem Prairie State Scientific and Natural Area

    Countiesrecorded in 12

    Year-round in Minnesota, with recorded sightings peaking in May–August.

  • NebraskaNativeCommon190 records

    State rankSecure

    Countiesrecorded in 12

    Year-round in Nebraska, with recorded sightings peaking in August.

  • North DakotaNativeOccasional112 records

    State rankUnranked

    Notable placesNd State Lands - Surface Ownership · Lake Sakakawea · Chase Lake National Wildlife Refuge_Wilderness Area · Riverdale

    Countiesrecorded in 12

    Year-round in North Dakota, with recorded sightings peaking in May–June.

  • KansasNativeOccasional66 records

    State rankImperiled

    Countiesrecorded in 12

    Year-round in Kansas, with recorded sightings peaking in September, with a smaller rise in May.

  • IllinoisNativeRare48 records

    State rankCritically Imperiled

    Countiesrecorded in 10

    Year-round in Illinois, with recorded sightings peaking in May, with a smaller rise in August.

  • IowaNativeOccasional41 records

    State rankVulnerable

    Countiesrecorded in 12

    Year-round in Iowa, with recorded sightings peaking in May, with a smaller rise in August.

  • WisconsinNativeRare39 records

    State rankVulnerable

    Countiesrecorded in 8

    Year-round in Wisconsin, with recorded sightings peaking in August.

  • South DakotaNativeOccasional35 records

    State rankSecure

    Notable placesFort Sisseton · Dog Ear Lake

    Countiesrecorded in 7

    Year-round in South Dakota, with recorded sightings peaking in June.

  • MissouriNativeOccasional23 records

    State rankImperiled

    Countiesrecorded in 9

    Year-round in Missouri, with recorded sightings peaking in September–October.

  • IndianaNativeOccasional14 records

    State rankCritically Imperiled

    Notable placesIndiana Dunes National Park

    Countiesrecorded in 6

    Year-round in Indiana, with recorded sightings peaking in July–September.

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.

SizeFranklin's Ground Squirrel beside a 1.8 m adult, drawn to scale
Created by potrace 1.16, written by Peter Selinger 2001-2019 Created by potrace 1.16, written by Peter Selinger 2001-2019
Body length
36–41 cm14 in–16 in
Weight
370–370 g13–13 oz

Silhouettes drawn to scale against a 1.8 m5 ft 11 in adult.

Elevation

From 200 georeferenced records, the Franklin's Ground Squirrel is recorded from 180 m591 ft to 585 m1,919 ft, with half of sightings below 319 m1,047 ft.

Each band shows the share of georeferenced sightings that fall within it. Records cluster where people live and hike, so low, populated elevations are over-represented. Read this as observation density, not true abundance.

Observation peakJune1,264 records

Seasonality from research-grade observation dates across the US (1,264 records, all years). Reflects when the species is recorded, not a guarantee of presence.

Best encounter

Where and when to see a Franklin's Ground Squirrel

Your best chance: Minnesota, in June.

Where
MinnesotaMN
When
June
Trophic relationshipsFood web What a Franklin's Ground Squirrel eats, and what eats it.
Eaten by6
American BadgerTaxidea taxusBobcatLynx rufusCoyoteCanis latranssnakesGopher SnakePituophis cateniferRed-tailed HawkButeo jamaicensis
This speciesFranklin's Ground Squirrel
insectsbirdsAmerican WigeonAnas americanaPotatoSolanum tuberosumSalalGaultheria shallonEuropean RabbitOryctolagus cuniculus
Eats6

A sample of documented feeding relationships, filtered to species that also occur in the US. Diet and predators vary by region and season, and this is not a complete list, many animals eat, and are eaten by, more than what has been formally recorded here.

Life history

The Franklin's Ground Squirrel (370 g13.1 oz) first breeds around 0.9 years, carries a 28-day gestation, and bears about 7.5 young per litter. Maximum recorded longevity is 7.2 years.

Life cycle

  1. Gestation28 days
  2. Birthlitter of 7.5 young
  3. Sexual maturity0.9 yr (female)
  4. Typical lifespan7.2 years
  5. Maximum recorded longevity7.2 years

Reproduction

Gestation
28days
Litter size
7.5youngaverage
Litters / year
1litter
Age at first breeding
0.9years

Typical values for the species, not local measurements. Maximum longevity is the longest lifespan on record; most individuals live far less.

Commonly confused with

Animals people sometimes mistake for the franklin's ground squirrel, and how to tell them apart.

A ground squirrel that avoids open ground

Franklin’s ground squirrel has a long body, bushy tail, and gray-brown coat sprinkled with pale flecks. It lacks the bold stripes of a thirteen-lined ground squirrel. Its tail is longer and fuller than a prairie dog’s, and the animal usually stays close to tall plants.

That concealment explains why it can live near a trail and still go unseen. When alarmed, it may stand briefly, whistle, and vanish into grass. A glimpse of the tail slipping through weeds is often all an observer gets.

Franklin's ground squirrel on all fours at the edge of a lawn, grizzled brown-gray coat blending into backlit stems and shrubs
Photo: Matt Reinbold, CC BY-SA 2.0.

Tall grass and deep burrows

The species uses prairie edges, old fields, grassy ditches, woodland borders, and wet meadow margins. It needs soil deep enough for a burrow and plants that provide food and cover. Short, heavily grazed turf offers fewer hiding places, while row crops remove much of the lasting structure.

Burrows include sleeping chambers, storage space, and several entrances. The squirrel spends a long winter below ground, living on stored body fat. Adults emerge in spring, mate, and rebuild weight. Young appear in summer and must grow quickly before cold weather.

Seeds, green plants, fruit, and insects all enter the diet. That flexible menu helps during a short surface season, when the squirrel must support breeding and store energy.

Franklin's ground squirrel resting on bare dirt and dry mulch at the border of a path and tall green grass
Photo: Lorna Grant, iNaturalist observer, CC BY 4.0.

Why the map looks broken

Records center on Minnesota, the Dakotas, Nebraska, and scattered parts of the upper Midwest. Tall cover has been divided by intensive farming, roads, development, and changes in grazing or mowing.

Reporting adds another break. Franklin’s ground squirrels are quiet, seasonal, and easily hidden. Surveys made while they hibernate won’t find them. The dots confirm occupied locations but don’t measure squirrels between them.

Prairie edges need room to stay messy

This isn’t simply an animal of untouched open prairie. It often uses places where tall grass meets shrubs, woods, or wetlands. Repeated mowing can remove cover and food, while connected strips help movement between larger patches.

Franklin's ground squirrel standing upright in a tall meadow scattered with orange hawkweed flowers
Photo: Evan H, iNaturalist observer, CC BY 4.0.

The species isn’t in the highest global risk categories, yet it has declined locally. Protection works best when it keeps deep-soil grasslands connected and times management around breeding and emergence. Ground that looks untidy to people may be exactly what this secretive squirrel needs.

Data & sources

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