Bird
Great horned owl
Bubo virginianus
Habitat
Mountrail, ND
Conservation
Secure
First Observed
1805-04-14
Lewis described Montana and Dusky Great Horned Owls which are regional subspecies with slightly different coloration.
In the NPS atlas of species the expedition described
Montana horned owl
Found near Mountrail, North Dakota. Lewis described Montana and Dusky Great Horned Owls which are regional subspecies with slightly different coloration.
Source: National Park Service, Lewis and Clark National Historic Trail Park Atlas.
Recent sightings
Where it’s being seen today
15 research-grade iNaturalist observations between 1986–2026. Most recent: 2026-03-20. Sourced from Terrain360 trail captures, cached locally.
Journal References
1 journal entry mentions Great horned owl
