Forty-nine-year-old Todd May of Ogden, Utah, announced his bizarre discovery of the large, hairy, bipedal creature to a local newspaper.
"I was looking for some fossils and I was kind of drawn to something in the ground," May, "a semi-retired" private investigator said.
"You couldn't tell what it was, as the head was face down. But when I dug it out you could see the face, perfect," he told the The Standard-Examiner.
May is convinced that the 'head' is genuine, because he says he has seen the ape-like beast for real.
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May claimed he first witnessed the creature near the mouth of Ogden Canyon in April 2011.
"My first thought was, 'My heck, there's a gorilla escaped from the zoo or something,'" he said.
He says he spotted it again in the same place a month ago.
Bigfoot has been "sighted" in a number of places around the world during the last 60 years. However no conclusive proof of the beast's existence has ever been found.