Thermal Camera Captures Two Large Heat Signatures During Bigfoot Search
Posted Monday, July 20, 2026
By Squatchable.com staff
So I just came across this video from the YouTube channel Grassman58, and honestly, I had to share it because the thermal footage alone is worth talking about. If you haven't seen it yet, do yourself a favor and check it out.
The setup is pretty standard for a Sasquatch investigation. A group of six heads out into grizzly bear country, fully armed because, you know, bears. They're exploring an area where they've previously had activity, specifically vocals and knocks. The narrator even made a hand-drawn map because the tree cover was too thick to get a good Google Earth image of the location. That's dedication right there.
The team splits up. Bill, Glenn, and Pops head toward the creek side while the narrator and another guy push toward the ridge. Along the way, they find what appears to be a track with visible toes and a heel impression. They waypoint it for a future scan. Then Bill finds an old cedar tree and starts banging on it, which is a common technique researchers use to elicit responses from Sasquatch.
Here's where things get interesting. After the banging, they hear what sounds like drumming. Multiple people on the team confirm hearing it. Then someone spots movement through the tree line, something upright, moving silently. The narrator yells out to regroup everyone on the ridge, and here's the kicker: there's no way something could cover that distance in the time they observed without making a sound.
Then they bring out the thermal. And this is the part that got me. They pick up two heat signatures, described as round objects, about five feet apart, peeking around a tree. The narrator specifically says these round objects were bigger than a human head and appeared white-hot on the thermal. They couldn't see a body, just these round shapes that looked like heads.
Now, I know what skeptics might say. Could be animals, could be a reflection, could be anything. But the researchers on site noted that none of the team members were wearing light-colored clothing, and the movement they observed was upright, not on all fours. Plus, the distance covered in silence is hard to explain.
After they beat on another empty cedar tree, both heat signatures disappeared. The team believes whatever it was dropped over a bank or retreated deeper into the woods. They never got a body shot on thermal, just those two round heads.
What makes this footage compelling to me is the combination of factors. You've got auditory evidence (the drumming), visual evidence (upright movement through the trees), and thermal evidence (two distinct heat signatures that don't match any known animal behavior in the area). The researchers handled it professionally, didn't jump to conclusions, and documented everything they could.
The video itself runs pretty long, but the thermal segment is where the real meat is. I'd recommend watching the whole thing to get the full context of how the investigation unfolded. Grassman58 has been documenting these investigations for a while now, and this one stands out because of that thermal capture.
Whether you're a seasoned researcher or just curious about what's out there, this is one of those videos that raises more questions than it answers. And honestly, that's what keeps us all coming back for more.