Thunderbird
A massive bird of prey of Indigenous tradition and frontier sighting.
- Region
- Appalachian Mountains, the Great Plains, and the Pacific Northwest
- Documented sightings
- 18 on map →
Overview
The Thunderbird is a giant raptor-like bird with a wingspan reported between 14 and 25 feet. The cryptid name derives from Indigenous traditions of a bird whose wing-beats produce thunder, common to many Plains and Northeast Woodland peoples. Modern reports describe a flying creature far exceeding the wingspan of any known North American bird.
Identification
Wingspan 14 to 25 feet — substantially larger than the California condor (~10 feet). Plumage typically dark gray to black, with a bare or featherless head and a powerful hooked beak. Witnesses note the bird flies with slow, deep wing strokes and casts shadows large enough to be initially mistaken for small aircraft. A pterosaur-like silhouette has been claimed in some southwestern reports.
Lore & Origin
The 1890 "Tombstone Thunderbird" account in the Tombstone Epitaph described two cowboys shooting and killing an enormous winged creature that they crucified across a barn — a reportedly photographed event whose alleged image has never been recovered. The 1977 Lawndale, Illinois case of a thunderbird lifting a 10-year-old boy briefly off the ground was widely covered in the regional press.