Thunderbird reports from the 1900s
4 cases, 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.

Thunderbird · Tombstone, Arizona · 1900
[name] reports two prospectors shot and carried a bird into Tombstone which was nailed to a wall.

Thunderbird · Pennsylvania · 1900
[name] claimed there were massive birds in rural, mountainous Pennsylvania with incredible wingspans between 25-35 feet.

Thunderbird · Maryland · 1901
Witnesses report a monster eagle killed by [name] in Maryland and nailed to a barn.

Thunderbird · 1905
Anthropologist [name] recorded Shuswap religious beliefs describing a large, black Thunderbird with bright red parts.