Based on 1,214 research-grade iNaturalist observations in North Dakota, American Bison is most often recorded in July; in North Dakota it behaves like a summer visitor / breeder. It ranks #1 among mammals recorded in the state in our data.
Bos bison
American Bison in North Dakota 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 North Dakota in July
Black-tailed Prairie Dog
Domestic Horse
Mule Deer
Thirteen-lined Ground Squirrel
White-tailed Deer
Eastern Cottontail
Pronghorn
Coyote
Places to look in North Dakota
State ParkFort Abraham Lincoln
State ParkFort Stevenson State Park
Botanical GardenInternational Peace Garden
State ParkCross Ranch State Park
State ParkFort Ransom State Park
State ParkIcelandic State Park
FAQ
When does American Bison appear in North Dakota?
Mainly May–September, with the most records in July.
How common is American Bison in North Dakota?
It ranks #1 by number of iNaturalist observations among mammals in North Dakota (1,214 records in our sample).