Possible vocalizations after midnight from cornfield near Wonder Lake witnessed in McHenry County, Illinois

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I was walking down my street and heard what sounded like a guy off in the cornfield yelling, approximately 600 feet away. It was sort of a grunting yell, very deep and it echoed through the neighborhood. It sent the hair up on my neck and scared me a little because the only thing between me and the yelling was a row of houses. This is not the first time I've heard what I think might be a Bigfoot in the area. I have heard what seemed to be three of them sort of locating each other the week before Thanksgiving. Again, I was out walking late at night in my neighborhood, around midnight. I heard a fox call at the end of my block but that sound was cut off by what sounded like a woman trying to imitate her from a little further away. Then a few seconds later, a "man" let out a yell about 3 blocks away. This yell was a deep guttural long yell, too long to be a human. It made the hair on my neck stand up and it also echoed through the neighborhood. Not a few seconds later, a faint "howl" ...