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47 encounters
2 October 2021 Harrisburg, Saline County, Illinois Class B #72110

Two hikers describe hearing bigfoot-like sounds near Indian Point (Garden of the Gods)

The witness and a companion were hiking in Shawnee National Forest when they heard rocks thrown, wood knocks, and a tree being pushed over nearby, followed by running footsteps that stopped abruptly. While heading back they heard a growl, whoops and howls from multiple directions and felt they were being watched. The witness attempted a phone audio recording but it did not capture the sounds clearly.

Rock throwingWood knockTree breakGrowlWhoop +3
9 January 2021 Wonder Lake, McHenry County, Illinois Class B #67486

Possible vocalizations after midnight from cornfield near Wonder Lake

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.

VocalizationFootsteps
October 2020 Makanda, Jackson County, Illinois Class B #66182

Hammock Slapped, Bipedal Walking, and Two Vocalizations Experienced by Trio of Campers

Three campers spent the night in separate tent and hammock shelters arranged around a campfire at a remote site. During the night the reporting witness was awakened by a slap to his tarp, while the companions reported bipedal footsteps circling their shelters. Shortly after the footsteps left, two loud howls were heard about 15 minutes apart. No creature was seen and no footprints were found in the morning due to leaf cover.

FootstepsHowlDoor or window contact
February 2018 Lyndon, Whiteside County, Illinois Class B #71815

Law enforcement officers find and follow fresh snow tracks 33 miles NE of Moline

After midnight an on-duty officer searching for a stolen snowmobile along a river heard loud crashing and heavy running in a treeline. He then found large human-like footprints in snow, with two larger sets and one smaller set, showing a long stride and signs of running. He and two deputies photographed the tracks and interpreted the trail as individuals scouting, pausing, and circling before leaving, then withdrew from the area.

FootstepsTracks
12 November 2015 Danville, Vermilion County, Illinois Class B #55144

Hunter describes strange encounters and finds a possible footprint near Kickapoo State Park

The witness was bowhunting deer alone from a tree stand in the evening and shot a buck. While climbing down and tracking the deer in near-dark, the witness heard loud screaming-growling noises, smelled a strong pungent odor, and saw a huge silhouette about 30 yards away on a hillside. The witness left the woods while still hearing the noises and returned the next morning to find the blood trail ended with no deer.

ScreamGrowlSilhouetteOdor
10 June 2015 St. Clair County, Illinois Class B #50967

Possible footprints found east of Belleville near Illinois Route 4

The witness was walking through woods near a river toward a field used for searching for artifacts in the evening. They heard loud crashing described as something moving fast and hard and breaking limbs. They then found several footprints in mud left after rain, one of which was photographed and measured.

Unidentified soundTracks
30 August 2014 Glenwood, Cook County, Illinois Class B #51417

Possible early morning sighting near Glenwood Woods

The witness was working overnight inside a building at a trailer drop yard when loud chimpanzee-like noises were heard from the north edge near hedge apple trees. The witness yelled toward the sounds and approached to about 60 feet, when branches began shaking. A four-foot reddish animal was seen from behind in the tree with a wedge-shaped head and longer-than-human arms before it moved away out of view while noises continued.

VocalizationPartial sightingAnimal behaviour
12 November 2013 Radom, Washington County, Illinois Class B #50502

Possible sighting while hunting near Radom

The witness was deer hunting from a tree stand on a hill at the edge of a field in the early evening. He saw a dark figure moving along the field edge and into a ravine about 60 yards away, walking upright on two legs, and heard something walking in the ravine. He first thought it was a trespasser but concluded it was not a person in camouflage.

Partial sightingFootsteps
1 March 2013 Makanda Or Cobden, Jackson County, Illinois Class B #40120

Possible vocalizations and rock throwing east of Makanda

On a night trip in early March 2013, the witness and three companions stopped in the woods around 2:30 a.m. after hearing a loud moaning sound. The witness shone a light downhill and saw a head with two closely spaced eyes about 40 feet away and 5 to 6 feet off the ground. The eyes stared for about 45 seconds before sidestepping behind a tree, and a quick search found nothing and no tracks.

VocalizationPartial sightingEyeshine
2 December 2012 Decatur, Macon County, Illinois Class B #37988

Late night observation by a home owner near Lake Decatur

The witness was smoking on the front porch at night when rustling was heard nearby. A dark massive upright figure stood up about 30 yards away, looked both ways, then ran across the street into a wooded area. Later that night the witness noted a musty odor and heard a deep scream-howl sound on and off.

Full-body sightingRoad crossingEyeshineOdorScream +2
10 October 2012 Utica, La Salle County, Illinois Class B #40476

Possible activity experienced by a family near Utica

Two people were sitting around a campfire in their yard at night when they heard coyotes howling. The coyote howls were then joined by a much lower, deeper and louder howl. The witnesses considered a wolf as a possible source but were frightened and returned to the house without seeing anything.

Howl
June 2012 Shipman, Macoupin County, Illinois Class B #37758

Ongoing activity described at a home near Shipman

In May/June 2012 around 10:30 p.m. the witness and a relative heard a loud guttural vocalization outside the home. They went to the porch and watched a large dark furry animal low to the ground run on all fours past a neighboring home, triggering motion lights. Coyotes vocalized shortly afterward, and another relative later said the sound had awakened them.

VocalizationFull-body sighting
June 2012 Edinburg, Christian County, Illinois Class B #39990

Possible sighting and rock throwing on a farm east of Edinburg

Late in the evening the witness was sitting by an outdoor fire near a pasture when she noticed a head-and-shoulders outline above tall weeds to her side and heard a slight noise from that direction. She then saw a small limestone rock rolling nearby, which alarmed her because no natural cause was apparent, and she went inside. The next morning she found sticks, corn stalks and dirt clods in the driveway but nothing explaining the shape.

Partial sightingUnidentified soundRock throwing
January 2012 Paris, Edgar County, Illinois Class B #33911

Possible ongoing activity described and knocks recorded at a rural home near Paris

The witness was walking in woods near home and sat on a fallen tree when a strange grunting sound was heard to the left. The witness was frightened and called for a parent to come meet in the woods. No creature was seen.

Growl
8 December 2011 Greenville, Bond County, Illinois Class B #31419

Possible nighttime sighting and vocalizations in a backyard near Old Ripley

The witness was in bed late at night when barking dogs prompted them to go outside. They saw a dog run under the porch and something retreat into the woods. After shouting and tossing a small stone into the trees, the witness heard a shriek/howl and the stone was thrown back to land at their feet. The witness ran inside, then returned with a flashlight to find twisted vegetation and snapped branches and noted a foul smell.

Partial sightingScreamHowlRock throwingObject throwing +3
7 September 2011 Midlothian, Cook County, Illinois Class B #30601

Possible vocalization and footprint found near Bachelors Grove Cemetery

The witness and a companion visited Bachelor's Grove in the afternoon to check structures described in a prior report. They observed hand-made tree pyramids, an X, and an arch, heard a siren-like sound and faint mumbling voices, and saw no unknown animals. After the companion left, the witness found a large old footprint with visible toes and additional faint impressions forming a long-stride trackway.

TracksStructure or nestUnidentified soundVocalization
July 2011 Manteno, Kankakee County, Illinois Class B #29836

Family experiences strange occurences while fishing Kankakee River

Four people were night fishing when the two who stayed by the fire reported footsteps and brush movement behind them. The witness later heard walking sounds, a grunt/growl from 20-30 yards away, noticed a strong pungent odor, and heard a whooping sound from the same direction. As the group walked out around 12:30 a.m. the witness felt they were being followed toward the bridge. No creature was seen.

FootstepsGrowlWhoopOdorAnimal behaviour
18 November 2010 Rushville, Schuyler County, Illinois Class B #33040

Possible sighting by a deer hunter west of Rushville

The witness was deer hunting in a valley at dawn when a loud scream was heard nearby. The yell was loud enough to startle turkeys roosting overhead. Looking toward the sound, the witness saw a tall black animal about 70 yards away that then disappeared.

Full-body sightingScream
2 November 2010 Midlothian, Cook County, Illinois Class B #28525

Possible vocalizations and stick structures found in Bachelors Grove Cemetery

On the morning of 2 Nov 2010 the witness, a companion, and an investigator were in heavily wooded preserve land by a cemetery looking at tree structures when sirens sounded. They distinguished a different howl-like sound about 200 to 300 yards to the north, heard three times in total. The sound was captured on audio and a segment was later isolated. No creature was seen.

Howl
7 August 2010 Shelby County, Illinois Class B #28144

Wood knocks, vocalizations and possible footprint found in rural cemetery near Shelbyville

Over a couple months of visits to a small rural cemetery, the witness and companions repeatedly heard wood knocks surrounding them, logs or objects being thrown, and a walnut thrown back toward them. They also heard growls, hissing, grunts, yells and screams on separate occasions, and once heard a large unseen thing charge to the cemetery edge then go silent. They never saw the source, reported no departing footsteps, and described a persistent feeling of being watched and warned from entering the woods.

Wood knockObject throwingGrowlVocalizationScream +2