3 Types of Bison in Oregon
3 types of bison have a verified observation record in Oregon. The most frequently recorded are Bighorn Sheep, Mountain Goat and Domestic Cattle. Here is the full list, ranked by how often each is reported on iNaturalist.
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3 types of bison have a verified observation record in Oregon. The most frequently recorded are Bighorn Sheep, Mountain Goat and Domestic Cattle. Here is the full list, ranked by how often each is reported on iNaturalist.
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Real sighting data, source iNaturalist
684 verified observations on iNaturalist of bison have been recorded in Oregon, most often in July, May, September.
| Species recorded in Oregon | Verified observations |
|---|---|
| Bighorn Sheep | 327 |
| Mountain Goat | 269 |
| Domestic Cattle | 55 |
| Domestic Sheep | 8 |
| Domestic Goat | 5 |
| Aoudad | 3 |
When bison are recorded in Oregon
Verified species, source iNaturalist
3 types of bison recorded in Oregon
3 bison species have a verified observation record in Oregon, each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.
| # | Species | Scientific name | Verified records |
|---|---|---|---|
| 1 | Bighorn Sheep | Ovis canadensis | 327 |
| 2 | Mountain Goat | Oreamnos americanus | 270 |
| 3 | Domestic Cattle | Bos taurus | 55 |
Plus 4 more recorded only rarely (fewer than 10 verified sightings). Counts from verified iNaturalist observations.
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Top Oregon Bison Gifts
The Bighorn Sheep (Ovis canadensis) is the most commonly recorded, with 327 verified observations — about 50% of all bison reported in Oregon. If you spot a bison here, it is statistically most likely to be this one.