Nebraska mammals

American Bison in Nebraska

Bison bison

Native to Nebraska

Not listed as nonindigenous in Nebraska by USGS NAS; treated as native to its mapped Nebraska range.

IUCN Red List status

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

NT – Near Threatened

Close to qualifying as threatened in the near future.

American Bison in Nebraska, by the numbers

Common in Nebraska 11th most recorded of 95 mammals logged in Nebraska

444 occurrence records
29 with iNaturalist photos
May 31, 2026 Last seen in Nebraska

Records from 2000–2026.

444 total records count every Nebraska occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 300; the monthly chart covers the 435 records with a full observation date.

Field encounter

Where and when you're most likely to encounter an American Bison

Most active: Nebraska, in August.

Where
NebraskaNE
When
August

Observe from a distance and give it room. Never approach, corner, or feed one.

When to be most aware of the American Bison in Nebraska

Most sightings fall in August.

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

Monthly Nebraska records (table)
MonthRecords
January11
February0
March3
April2
May7
June2
July3
August368
September5
October30
November4
December0

Monthly american bison occurrence records (iNaturalist and GBIF) in Nebraska, 2000–2026.

Seasonality

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

Occurrence map

Where American Bison has been recorded in Nebraska

300 records mapped · zoom and drag to explore

300 Nebraska records mapped

Where american bison encounters are recorded

Park, forest, or monumentiNaturalist records
Nebraska National Forest 2

Protected places with the most american bison records, from the USGS Protected Areas Database plus named mountain ranges, where encounters are most often recorded, not a full breakdown, so they don't sum to the total. Keep your distance and never approach one.

Where it's recorded in Nebraska

CountyRecords
Cherry County 395
Hall County 8
Sioux County 8
Loup County 5
Custer County 4
Dawes County 4
Garden County 4
Franklin County 3
Sheridan County 2
Merrick County 2
Nuckolls County 2
Knox County 1
6 other counties 6

The complete county distribution, spread across 18 Nebraska counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Bison shaped Nebraska’s grasslands historically, but animals seen today occur in managed conservation herds or private herds rather than as a free-ranging statewide population. Records therefore map places where herds are maintained as much as they map natural habitat.

Where to look

Fort Niobrara National Wildlife Refuge is the clearest public destination, with bison using mixed-grass prairie and river-valley uplands. Nebraska National Forest and other western sites may also produce records, but access and herd status vary. Stay inside designated viewing areas and give bison far more room than their calm appearance suggests.

Bison can be observed year-round in managed areas. August leads the Nebraska reports, but herd access, visitor volume, and reporting effort strongly influence that pattern.

Occurrence data from iNaturalist and GBIF.

American Bison in other states

View all states →

More mammals in Nebraska 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
  • 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"