Other Flying reports in Montana
1 case, best-documented first. Page 1 of 1.
We map claims, not creatures. A case is what some source says someone saw or heard, with the link to that source. It is not proof that anything was there, and a retelling counts once, not as a second sighting.

Other Flying · Chief Mountain, Montana · 1926
Chief Three Sons recounts that sixteen warriors, including Iron Horse, encountered a Thunder Bird with a moose head and black wings on Chief Mountain, which brought rain and buffalo.