Best Time to See Bison in the US

July, June and August is the best time to see bison in the United States. This is a national picture built from 59,854 verified iNaturalist observations across 50 states, showing when and where bison are most active.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself.

Best months: July, June, AugustPeak season right now

59,854 verified observations of bison in the US, recorded across 12 months of the year on iNaturalist.

When bison are recorded in the US

Peak month

July

9,644 records (16.1% of the year)

Quietest month

December

2,244 records

MonthObservationsShare
January2,2913.8%
February2,6654.5%
March3,7016.2%
April4,3707.3%
May6,41610.7%
Junepeak8,66714.5%
Julypeak9,64416.1%
Augustpeak7,80013%
September5,7299.6%
October3,6426.1%
November2,6854.5%
December2,2443.7%

Bison you are most likely to see

SpeciesVerified observations
Bighorn Sheep23,253
American Bison21,106
Mountain Goat7,038
Aoudad1,420
Thinhorn Sheep1,372
Domestic Cattle1,251
Domestic Goat1,013
Nilgai795

Across the country, bison sightings peak in July, when 9,644 of the 59,854 annual observations are logged, about 16.1% of the national total. Nationwide activity stays high through July, June and August.

The best states to see bison by recorded sightings are Wyoming (12,289), California (6,342), Colorado (6,179), South Dakota (5,441) and Montana (4,514). Each state page below breaks the year down month by month for that state.

The bison you are most likely to encounter nationwide are Bighorn Sheep, American Bison and Mountain Goat, the most-recorded species across all states combined.

Best states to see bison

Most-recorded bison species nationwide

  • Bighorn Sheep23,253 records
  • American Bison21,106 records
  • Mountain Goat7,038 records
  • Aoudad1,420 records
  • Thinhorn Sheep1,372 records
  • Domestic Cattle1,251 records
Plan your tripWyoming

Plan your bison trip in Wyoming

Start with live tours near Wyoming, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Gear to see them

Frequently asked questions

When is the best time to see bison in the US?+

July is the single best month nationwide, with the broader peak running through July, June and August, based on 59,854 verified observations across 50 states.

Which states are best for seeing bison?+

By recorded sightings, the top states are Wyoming, California and Colorado. Wyoming leads with 12,289 verified observations.

How many bison sightings are recorded in the US each year?+

About 59,854 verified bison observations are logged on iNaturalist across 50 states with enough data to chart a seasonal pattern.

What kinds of bison live in the US?+

The most-recorded species nationwide are Bighorn Sheep, American Bison and Mountain Goat, based on all-time iNaturalist counts.