Based on 10,056 research-grade iNaturalist observations in Wyoming, American Bison is most often recorded in July; in Wyoming it behaves like a summer visitor / breeder. It ranks #1 among mammals recorded in the state in our data.
Bos bison
American Bison in Wyoming by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Wyoming in July
Wapiti
Pronghorn
Moose
Uinta Ground Squirrel
Yellow-bellied Marmot
American Black Bear
Mule Deer
Common Golden-mantled Ground Squirrel
Places to look in Wyoming
National ForestShoshone National Forest
National ForestBridger–Teton National Forest
State ParkFort Bridger
State ParkHot Springs State Park
State ParkFort Fred Steele State Historic Site
National Wildlife RefugeNational Elk Refuge
FAQ
When does American Bison appear in Wyoming?
Mainly May–September, with the most records in July.
How common is American Bison in Wyoming?
It ranks #1 by number of iNaturalist observations among mammals in Wyoming (10,056 records in our sample).