Thunderbird (cryptozoology)

Artistic rendition of a large bird like a thunderbird
Grouping Cryptid
Sub grouping Flying animal
Country United States

Thunderbird is a term used in cryptozoology to describe large, bird-like creatures, generally identified with the Thunderbird of Native American tradition. Similar cryptids reported in the Old World are often called Rocs. Thunderbirds are regarded by a small number of researchers as having lizard features like the extinct pterosaurs such as Pteranodon. Reports of Thunderbird sightings go back centuries,[1] and the fossil record does show that giant birds (teratorns) with wingspans between 4 and 5 m (12 and 18 ft) were likely contemporary with early man. Today the creature is generally regarded as a myth.

This article deals with modern sightings (the last 200 years) of such a creature, reported as real, as opposed to mythological accounts, though believers in the phenomenon often use the Native American legends in attempts to support their claims.

Early reports

There is a story that in April 1890, two cowboys in Arizona killed a giant birdlike creature with an enormous wingspan. It was said to have had smooth skin, featherless wings like a bat and a face that resembled an alligator. This description has some similarity to that of a prehistoric pterodactyl—an animal whose existence was known at the time. They are supposed to have dragged the carcass back to town, where it was pinned with wings outstretched across the entire length of a barn. A picture of this event may have been published in the local newspaper, the Tombstone Epitaph. has an account of this story with the events taking place in the state of Texas.[2]

According to Mark Hall, the Epitaph did indeed print a story about the capture of a large, unusual winged creature on April 26, 1890. Beyond this single story, however, no one has made historic corroboration that this event ever occurred; it is usually considered an urban legend. Utterly fictional tall tales were not an uncommon feature in newspapers during this era.[3]

No one has ever produced a copy of the "Thunderbird" photograph, though numerous people, Ivan T. Sanderson being one of the better known, have made claims to its existence. Sanderson claimed to have once owned a copy of the photo, which vanished after he loaned it to an acquaintance in the 1960s. The television program Freaky Links staged a similar photo, giving new life to the "Thunderbird Photograph" legend.[4]

Jerome Clark speculates that the description of the basic image in question (men standing alongside a winged creature nailed to a barn), is evocative enough to implant a sort of false memory, leading some people to vaguely "remember" seeing the photo at some distant, imprecise time.[5]

20th century

Bigfoot researcher and cryptozoology author Loren Coleman wrote about a series of thunderbird sightings in the 1940s. On April 10, 1948, three individuals in Overland, Illinois, spotted what they originally thought to be a passing plane, but after seeing a large set of flapping wings, they realized this "plane" was something very different. A few weeks later, in Alton, Illinois, a man and his son saw what they described as an enormous bird-like creature with a body shaped like a naval torpedo. The creature was flying at at least 500 feet (152 m) and cast a shadow the same size as a small passenger airplane.[6]

Similar sightings around the same time in St. Louis, Missouri, prompted residents to write concerned letters to then St. Louis mayor Aloys P. Kaufmann demanding that the city do something about these reportedly huge birds. The mayor instructed an administrative assistant to set a trap to catch one of the creatures, but when blue heron tracks were discovered on an island in the Meramec River, the mystery was considered solved.[7]

There was a spike in Thunderbird sightings in the late twentieth century. On occasion, such reports were accompanied by large footprints or other purported evidence.

Among the most controversial reports is a July 25, 1977, account from Lawndale, Illinois. About 9 p.m. a group of three boys were at play in a residential backyard. Two large birds approached and chased the boys. Two escaped unharmed, but the third boy, ten-year-old Marlon Lowe, wasn't so lucky. One of the birds reportedly clamped his shoulder with its claws, then lifted Lowe about 60 cm (2 ft) off the ground, carrying him some distance. Lowe fought against the bird, which released him.

Viewed by some as a tall tale, the descriptions given by the witnesses of these birds match that of an Andean condor: a large black bird with a white ringed neck and a wingspan up to 3 m (10 ft).[8] However, an Andean condor's talons are not strong enough to lift heavy objects. Loren Coleman and his brother Jerry interviewed several witnesses after the reported event.

21st century

In 2002, a sighting of a large birdlike creature with a wingspan of around 4 m (14 ft) was reported in Alaska.[9] The Anchorage Daily News reported witnesses describing the creature like something out of the movie Jurassic Park. Scientists suggested the giant bird may have simply been a Steller's sea eagle, which have a wingspan of 180–240 cm (6–8 ft). There had also been previous reports of similar creatures in the same area around that time. The paranormal reality series Destination Truth traveled to Manokotak in 2009 to search for the creature.

As recently as 2007, sightings have been claimed in the area around San Antonio, Texas.[10]


Some cryptozoologists have theorized the ancient Thunderbird myth to be based on sightings of a real animal with a mistaken assessment of its apparent size. Cryptozoologists also posit that the Thunderbird was associated with storms because they followed the drafts to stay in flight, not unlike the way a modern eagle rides mountain up currents. John A. Keel claimed to have mapped several Thunderbird sightings and found that they corresponded chronologically and geographically with storms moving across the United States.

Angelo P. Capparella,[5] an ornithologist at Illinois State University, argues that the existence of such undiscovered large birds is highly unlikely, especially in North America. There is not enough food, Capparella says, in many areas where abnormally large birds are reported. Perhaps more important, according to Capparella, is the lack of sightings by "the legions of competent birdwatchers ... scanning the skies of the U.S. and Canada" who sometimes make "surprising observations" with cameras at the ready (see for example 20th-century sightings of the Eskimo curlew). Were there breeding populations of large, unknown birds, Capparella contends they could not remain unknown very long.

In Mysterious New Mexico, author Ben Radford published the results of his investigation of modern sightings of thunderbirds, ascribing many to sightings of birds such as condors.[11]

See also


  1. "The Giant Thunderbird Returns". Retrieved 2010-01-20.
  2. Craig Heinselman. "Thunderbird". Retrieved 2010-01-20.
  3. Hanlon, Tina L. (2007-05-07). "Tall Tales and Jack Tales: Literature and Writing Activities". Study Guides. Ferrum College. Retrieved 2007-11-27.
  4. "Museum Announcement and Research Requests". The Cryptozoologist. Retrieved 2010-01-20.
  5. 1 2 Clark, Jerome (1993). Unexplained! 347 Strange Sightings, Incredible Occurrences, and Puzzling Physical Phenomena. Visible Ink Press.
  6. Coleman, Loren (1986). "Curious encounters: Phantom trains, spooky spots and other mysterious wonders"", p. 34. Faber and Faber, Inc. ISBN 0-571-12542-5.
  7. Coleman, Loren (1986). "Curious encounters: Phantom trains, spooky spots and other mysterious wonders"", p. 36. Faber and Faber, Inc. ISBN 0-571-12542-5.
  8. "Thunderbirds Spotted over Illinois! (Not the airplanes)". 2003-06-19. Retrieved 2010-01-25.
  9., Reuters (2002-10-18). "Massive bird spotted in Alaska". Retrieved 2006-08-11.
  10. Joe Conger (2007-07-28). "Sightings of mysterious giant bird continue in San Antonio". My San Antonio News. Archived from the original on Oct 11, 2007.
  11. Radford, Ben (2014). "Chapter 7 Thunderbirds: Mysterious Giants in the Sky". Mysterious New Mexico. Albuquerque, NM: University of New Mexico Press. pp. 131–152. ISBN 978-0-8263-5450-1.
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