UW Disproves Original Harvard Theory
For generations, legends and stories have circulated across the Western Plains about a mysterious race of “tiny people” who once lived in the mountains. In Wyoming, those legends became even more interesting after the discovery of unusually small human mummies that seemed to reflect the ancient folklore.
The legend of the Nimerigar, sometimes spelled Nimagar or Nimrogar, comes from the oral traditions of several Native American tribes in the Rocky Mountains and Plains regions. These stories describe a race of small-statured beings who were powerful, fearsome, sometimes mischievous, and occasionally dangerous. While the legend has been passed down for centuries, modern science has tried to understand whether there is any physical evidence behind the mysterious beings. Today, the story sits at the intersection of Indigenous oral history, archaeology, and public fascination with mystery.
According to traditional accounts, the Nimerigar were said to be very small, often described as no taller than a person’s knee. Stories about them appear in tribes in stories connected to Wyoming. And the surrounding Rocky Mountain region, including the Eastern Shoshone, Arapaho, Crow, and Lakota.
In many versions of the story, the Nimerigar were not simply tiny people but powerful beings that demanded respect. These people were often described as mischievous or dangerous, and one commonly repeated detail is that they carried miniature bows made from sheep horn and used poisoned arrows. Their presence in the stories served as a warning about respecting the land and the powers believed to live in it.
“These little people were somewhere on the spectrum of mildly annoying and mischievous to actively kind of nefarious,” said Spencer R. Pelton, PhD, RPA, Wyoming State Archeologist. “They were viewed as a source of power that you should be wary of and not disrespect their territories.”
Although the names of these beings vary among tribes, the idea of small supernatural people appears across many Indigenous cultures in the region.
Interest in the legend grew dramatically in the early twentieth-century when miners had reportedly discovered a small mummified body in Wyoming’s Pedro Mountains, just 60 miles southwest of Casper, during the 1930s. The body, often called the Pedro Mountain Mummy, was only around six and a half inches tall when measured in the position it was found in, which was what appeared to resemble and adult-human seated in cross-legged style.
The unusual discovery quickly captured public attention, and newspapers speculated that the mummy might be evidence of a previously unknown race of miniature humans. Some observers even suggested it could be proof of the famed Nimerigar legends.
According to Pelton, however, the scientific evidence tells another story.
Researchers at Harvard University initially examined the mummy and produced X-ray images. Decades later, another small mummy surfaced in Wyoming and was also studied by anthropologists. Both discoveries came from roughly the same region near the Pedro Mountains and areas around present-day Alcova Reservoir in Wyoming.
In the cases, analysis of the X-rays led researchers to the same conclusion; that the remains were not those of a species consisting of miniature, full-grown, humans, but rather juveniles.
“Evaluations of the X-rays indicated that they were juveniles,” Pelton explained. “They were not full-grown humans.”
Scientists also suggested the individuals may have had a developmental condition known as anencephaly, a congenital disorder in which the brain and skull do not fully develop before birth. The Condition can produce a distinctive sloping forehead, similar to what researchers reported as an observation in the mummified remains.
Individuals with anencephaly rarely survive long after birth, especially in historical contexts without modern medical care.
Despite the early excitement surrounding the discovery, research into the mummies has remained limited. Pelton noted that the remains were never extensively studied using modern techniques such as radiocarbon dating or genetic testing. Today, the location of both mummies is unknown, preventing further analysis.
“There’s not really been that much opportunity for anthropologists to study either of them,” Pelton said.
Although the physical evidence does not support the idea of a hidden population of miniature people, the connection between the mummies and the Nimerigar legend continues to spark curiosity.
Pelton believes the link likely emerged because the timing of the discovery coincided with already well-known oral traditions about small supernatural beings.
“It was just a really convenient connection to make,” he said. “These legends were already floating around, and then this little mummy appeared that looked like a full-grown adult.”
However, he also notes that myths sometimes contain fragments of historical truth. If individuals with rare developmental conditions appeared in the past, such unusual cases might have contributed to the origins of stories about small mysterious people.
Even then, archaeologists approach such connections carefully. Rather than allowing folklore to guide scientific conclusions, researchers typically rely on physical evidence while still recognizing the cultural significance of oral traditions and histories.
Pelton explained that the two perspectives, being scientific research and traditional storytelling, represent different ways of understanding the world.
“Only way you understand the world is through mythology, symbols, and archetypes,” he said. “Science is another way, where you study patterns in physical phenomena.”
Instead of dismissing one approach in favor of the other, Pelton believes they can work together to deepen understanding.
“Myths can contextualize scientific evidence in interesting ways,” he said. “And science can contextualize mythic traditions as well.”
Even without definitive proof, the Nimerigar legend continues to capture the imagination of both researchers and the public. Stories about hidden worlds and mysterious discoveries remain deeply appealing in an age when most information is only a quick internet search away.
“People love a mystery,” Pelon said. “Archeology provides that sense of wonder and mystery in a world where sometimes it feels like everything is already known.”
In Wyoming, the story of the Nimerigar reflects something larger than a single legend. It emphasizes the ongoing conversations between oral tradition and scientific investigation, two perspectives that together help shape how people understand the past.
While the tiny mummies may not confirm the existence of a hidden race of miniature beings, the legend itself continues to endure. In the mountains and plains where the stories first began, the Nimerigar remain part of the region’s cultural memory, reminding both scholars and readers that history is often a mixture of evidence, belief, and the mysteries that still remain.
