Navy Code-Breaker Heard the Bigfoot Recordings — He Said "It's Definitely a Language

[00:00:08]In 2008, a retired United States Navy cryptologic linguist named R. Scott Nelson was sitting in his classroom at Wentworth College when his 12-year-old son, who was working on a school project about Bigfoot, asked him a question.

[00:00:24]Nelson searched the words Bigfoot sounds in a search engine. What appeared was a collection of audio recordings. was captured in the Sierra Nevada mountains during the early 1970s. Nelson pressed play. Within moments, his entire understanding of reality changed. Nelson had spent 20 years in the United States Navy as a linguist and interpreter, specializing in Russian, Spanish, and Persian. His job was to listen to intercepted communications and identify languages, not translate them, identify them. He could hear a voice on a recording and determine what language it was, what dialect, what region the speaker came from, and whether the communication was authentic or fabricated. He had listened to more hours of recorded human speech than almost anyone alive. He was, by training and decades of experience, one of the leading authorities in the country on the structure of spoken language. When he heard the Sierra recordings, he did not hear animal sounds. He did not hear human hoaxes. He heard a language, phonemes, morphes, syntax, intonation patterns, turn taking between speakers.

[00:01:27]The recordings contained at least two separate voices communicating with one another using a structured vocal system that displayed every essential characteristic of language, except it was not any language ever documented on Earth. Nelson slowed the recordings down. At normal speed, the vocalizations were nearly impossible to understand. a rapidfire series of clicks, whoops, whistles, and guttural sounds that resembled nothing human. But when he reduced the playback speed by half, something appeared. Words. Not English words. Not words from any human language, but distinct repeating vocal units arranged in patterns that were clearly linguistic. The sounds were being spoken at approximately twice the speed of any known human language.

[00:02:09]Whatever was creating them possessed a vocal apparatus and cognitive processing speed that exceeded human capability.

[00:02:16]Nelson's conclusion, which he has repeated publicly for more than 15 years, was absolute. It is definitely a language. It is definitely not human in origin, and it could not have been faked. This is not a story about a blurry recording in the woods. This is a story about the most scientifically examined audio evidence in the history of cryptozoolology. recordings that were studied for a year by the University of Wyoming, analyzed by human speech experts, processed through every available examination of the era and ultimately reviewed by a career military linguist whose professional life was built on identifying languages other people could not recognize. And what he found in those recordings is something the scientific community has never been able to explain away. These are the Sierra sounds. In 1971, a man named Ron Morehead was working as a hospitality manager in Merrced, California. A friend of his, a fellow church board member, returned two days late from a deer hunting trip in the high Sierra Nevada mountains and told Morehead a story that sounded impossible. He and his hunting companions had encountered something in the wilderness, something massive, something that made sounds none of them had ever heard, something that left oversized five-toed footprints around their camp. One of the hunters had been so frightened that he completely fled the site. Morehead was skeptical but curious. He agreed to return to the camp with his friend to search for physical evidence. They brought along a Sacramento journalist named Alan Barry, an investigative reporter for the Sacramento B, who held a master's degree in science and was a former officer who served in Vietnam. Barry's purpose was straightforward. He expected to expose a hoax. He brought a state-of-the-art Sony Realtore tape recorder, plaster of Paris for casting footprints, and what he described as his wits. He was, by his own admission, thoroughly convinced that someone was playing a prank, and that he would be the one to prove it. The camp was in one of the most isolated locations in the Sierra Nevada, more than 8 mi of hiking from the nearest road, over 8,000 ft in elevation. The men would leave the established trail halfway through the journey and take a different route each time to avoid creating a visible path. They checked for signs of other humans every trip.

[00:04:24]Rarely was anyone within miles. The first trip produced partial footprints and nothing more. The follow-up trips changed everything. On later visits in 1971 and 1972, the men began hearing the sounds. As dust turned into complete darkness, something approached the camp from a ridge above. It made rhythmic knocking sounds on wood or rocks as it approached, like a signal or announcement. When it arrived at the edge of the camp, it vocalized. Two separate voices called back and forth.

[00:04:52]The sounds traveled through the trees with a power and clarity Barry said he had never heard from human voices before or since. There were whistles, clear and melodic like a bird, passed between at least two individuals. There were low, guttural exchanges. There were high-pitched shrieks. And there was something Barry and Morehead. both described the same way independently in later interviews. Samurai Chatter, a rapid, aggressive conversational exchange that sounded like two individuals arguing or strategizing in a language neither man could identify.

[00:05:23]Barry recorded everything. The encounters lasted up to 90 minutes at a time and occurred on multiple nights across multiple trips over a span of roughly 3 years. The men also discovered and cast footprints. The tracks were enormous, five-toed, and consistent with the prints described in Bigfoot reports across the Pacific Northwest. When Barry returned to Sacramento with the tapes, the first thing he did was attempt to debunk them himself. He could not. The recording showed no signs of mechanical alteration. There was no evidence of splicing, speed manipulation, or artificial enhancement. The sounds had been recorded on professional-grade equipment in natural wilderness conditions. Whatever created them had been physically present at the camp. The tapes were submitted to the University of Wyoming for a year-long study. Dr. R.

[00:06:09]Linn Kurland led the analysis. His findings were specific and technical.

[00:06:13]The vocalizations were primate in origin. At least one of the speakers possessed a vocal range and lung capacity that greatly exceeded that of any human being, producing frequencies lower than a human voice could generate and sustaining volume levels no human could match without amplification. The sounds included verbal acrobatics, rapid shifts between frequencies, thunderous howls, and high-pitched whistles that Kurlin concluded were beyond the physiological capability of the human vocal tract. There was no evidence the tape had been sped up, slowed down, or altered in any way. Kurlin's conclusion was cautious. The sounds were from a large nonhuman primate. He did not speculate on what kind. Nancy Logan, a human speech expert who independently reviewed the recordings, went further.

[00:06:57]She said she believed the recordings contained primitive communication in the form of primitive language. She noted that the sounds were linguistically more advanced than typical animal vocalizations with patterns suggesting structured information exchange. She issued a challenge no one has ever successfully met. No one has. And then in 2008, Scott Nelson heard the tapes.

[00:07:18]Nelson did not approach the recordings as a Bigfoot enthusiast. He approached them as a linguist. He applied the same analytical framework he had used for 20 years in the Navy. The same framework used to decode intercepted foreign communications. He listened. He slowed the recordings down. He listened again and he began identifying individual sound units. What Nelson found was not random noise. It was organized. The recordings contained distinct phonemes.

[00:07:43]The smallest units of sound that distinguish one word from another in a language. There were morphes, combinations of phonemes that carried meaning. There was syntax, the arrangement of words and phrases in a structured order. There was intonation, the rise and fall of pitch that conveys emphasis, question, and emotion. There was turn taking, a pattern in which one speaker finishes and another responds.

[00:08:05]Every structural element that defines a human language was present in the Sierra recordings, except the language was not human. Nelson created what he called a Sasquatch phonetic alphabet, a transcription system for the sounds he identified. He mapped repeating vocal patterns, identified what he believed were individual words, and documented conversational exchanges between multiple speakers. He found that the language was spoken at approximately twice the speed of the fastest known human language. The vocal apparatus producing these sounds was capable of generating frequencies, volumes, and articulation speeds no human being could replicate. He published his analysis. He presented it at conferences. He has maintained his conclusions for nearly two decades without alteration. He repeatedly stated he was never a Bigfoot guy, but the recordings contained a language and it did not come from a human being.

[00:08:58]Here is what makes the Sierra sounds different from every other piece of Bigfoot evidence. The Patterson Gimlin recording can be debated. It is 59 seconds of grainy film, costume, or creature. The argument will never end.

[00:09:10]Footprint cast can be fabricated. Hair samples can be misidentified. Eyewitness testimony is subjective, but the Sierra sounds are audio recordings that have been subjected to rigorous scientific analysis by multiple independent experts over a period of decades. The University of Wyoming concluded the sounds were from a large non-human primate with superhuman vocal capacity. A speech expert identified linguistic structure.

[00:09:36]A career military linguist identified a complete language system, and the recordings were made over multiple years across multiple visits in a location so remote that a hoaxer would have had to hike 8 m through mountain wilderness with no trail at 8,000 ft of elevation in freezing conditions, carrying equipment capable of producing sounds that three separate experts concluded were beyond human vocal capability. The hoax explanation requires a scenario in which an unknown individual or group repeatedly traveled to one of the most isolated locations in the Sierra Nevada, produced vocalizations that fooled a trained journalist, a university acoustics lab, a speech scientist, and a Navy codereing linguist using a vocal apparatus that exceeded documented human physiological limits at a speed greater than any known human language over a period of 3 years with no motive, no financial reward, in no claim of credit before disappearing without ever being identified. The alternative explanation requires a scenario in which at least two massive non-human primates were present in the Sierra Nevada mountains during the early 1970s, possessed a structured language, and communicated with each other at a speed and volume that exceeded human capability in the presence of human observers on multiple occasions. Neither explanation is comfortable, but one of them is true because the recordings exist. They have been analyzed and no one in more than 50 years has managed to replicate them.

[00:11:01]Alan Barry went to the Sierra Nevada to expose a hoax. He returned with recordings that three independent scientific analyses concluded were genuine. He maintained until his death in 2012 that the sounds were real and that whatever produced them was not human. Ron Moorehead, who is still alive, has spent decades defending the recordings and stated that no alternative explanation has ever accounted for the evidence. And Scott Nelson, the man who spent 20 years listening to intercepted communications for the United States Navy, the man who could identify languages by ear that most linguists needed a textbook to recognize, heard the Sierra recordings and stated six words that have never been refuted. It is definitely a language. The Sierra sounds are not a sighting that can be dismissed as a bear in poor lighting. They are not a recording that can be written off as wind or wildlife. They are structured linguistic vocalizations produced by a non-human intelligence with superhuman vocal capabilities captured on professional equipment verified by independent analysis and never successfully replicated by any human being. If Bigfoot does not exist, then someone needs to explain what spoke those words in the mountains in 1971 because every expert who has listened agrees on one thing. Whatever it was, it was talking. The recordings are publicly available. You can listen to them yourself. When you do, remember this. A man who spent 20 years breaking codes for the United States Navy heard the same sounds you are hearing. And he stated, "It is a language that does not belong to any known species on Earth."

[00:12:33]Subscribe. The mountains still have something to say.