Class B First-hand BFRO #67486

Possible vocalizations after midnight from cornfield near Wonder Lake

9 January 2021 2:55am Wonder Lake, McHenry County, Illinois 1 witness

Account

Late at night the witness was walking in a rural neighborhood when a deep grunting yell was heard coming from a nearby cornfield. The witness also recalls hearing heavy walking or footfalls just before the yell. The sound was described as echoing and startling, and no visual of the source was reported.

Summary drafted by AI from the source report and checked by code before I publish it. The witness's own words remain with the publisher — read the original report .

What was reported

Every kind of observation in the account. Select one to find other encounters with it.

Facts & provenance

Each value names where it came from.

Date
9 January 2021
Stated BFRO report #67486 · BFRO report, labelled fields: Year, Month, Date
Time of day
2:55am
Stated BFRO report #67486 · BFRO report, “Time And Conditions” section
Place
Wonder Lake, McHenry County, Illinois
Stated BFRO report #67486 · BFRO report, labelled fields: State, County, Nearest Town, Location Details, Nearest Road
Map point
42.39, -88.35 (± 2 km)
Stated BFRO map layer · BFRO published map layer · read with 85% confidence
BFRO map layer point for report 67486 with published boundary
Account type
First-hand
Stated BFRO report #67486 · BFRO report, “Observed” section
Witnesses
1
Derived BFRO report #67486 · BFRO report, “Other Witnesses” section · read with 85% confidence
Witness was
walking down street in neighborhood
Stated BFRO report #67486 · BFRO report, “Observed” section
Witness's word for it
what I think might be a Bigfoot
Stated BFRO report #67486 · BFRO report, “Observed” section · read with 70% confidence
Source classification
Class B
Stated BFRO report #67486 · BFRO classification label

Evidence & investigation

What the source says was found or done. Claimed evidence is listed as claimed; the Anomadex has not examined it.

Investigated by
Chris Callahan (BFRO)
Follow-up

An investigator spoke with the witness by phone to clarify details.

BFRO report, “Follow-Up” section

Source timeline

Every record this entry is built from, earliest known first. Records are versioned and never edited in place.

  1. Published 2021-01-10 Retrieved 2026-09-25 Version 1 Hash a6ae55f95230
    BFRO - Bigfoot Field Researchers Organization
  2. BFRO map layer Reference
    Retrieved 2026-09-24 Version 1 Hash cfb8a3d423b7
    BFRO - Bigfoot Field Researchers Organization

The report refers to

  • “my initial report”
    Not in the Anomadex yet