New evidence! Thermal drone footage from October 2025 reveals a 35-foot ‘heat signature’ in Loch Ness. Is this the ultimate proof of the monster? analyzing the audio and video data. #Nessie #LochNess #Cryptids
By TheLastUpdates Editorial Team | December 8, 2025
For nearly a century, she has played hide-and-seek with the world. She is the Queen of Cryptids, the phantom of the Highlands, the reason millions of tourists stare at a cold Scottish lake hoping for a ripple.
She is the Loch Ness Monster. And in late 2025, she might have finally slipped up.
After years of silence, blurry iPhone photos, and debunked hoaxes, a new piece of evidence has emerged that is forcing even the most hardened skeptics to pause. This time, it isn’t a tourist with a shaky hand; it is military-grade thermal drone technology.
Is this the proof we have been waiting for? Or is the Loch playing tricks on us again? We dive deep into the waters of Scotland to analyze the “Sighting of the Decade.”
The “Heat Signature” Incident: October 2025
On the morning of October 14, 2025, a team of independent researchers from the Cryptid Data Initiative (CDI) was conducting a routine aerial survey of the loch. Unlike previous hunters who used boats and sonar, the CDI team was using high-altitude drones equipped with FLIR (Forward-Looking Infrared) cameras.
Their goal was to map surface temperature changes. What they found was a biological anomaly.
At 6:42 AM, in the deepest central basin of the loch, the drone picked up a massive heat signature.
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The Size: The object measured approximately 35 feet (10.6 meters) in length.
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The Shape: The heat map showed an elongated, serpentine form with two distinct “paddles” moving rhythmically.
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The Behavior: The object remained at the surface for 14 seconds before diving vertically at a speed of 15 knots—far faster than a seal or an otter.
“We checked the logs for boats. There were none,” said Dr. Aris Thorne, the lead analyst for the CDI. “We checked for wave patterns from wind. The water was glass. What we saw was a large, living organism generating significant body heat in 5-degree water.”
Why This Footage is Different
In the past, Nessie hunters relied on visual confirmation. The problem with visual sightings is pareidolia—the human brain’s tendency to see patterns (like faces or monsters) in random chaos (like waves or logs).
But thermal imaging doesn’t lie about heat. A log is cold. A wave is cold. A boat engine is hot, but it leaves a specific exhaust trail. The object in the October 2025 footage was uniformly warm, suggesting a biological creature with a metabolism.
This challenges the long-held theory that Nessie is a reptile (which would be cold-blooded). If the thermal footage is authentic, it suggests the creature is endothermic (warm-blooded)—perhaps closer to a primitive whale or an oversized seal than a dinosaur.
The Audio Files: “The Chirp”
As if the drone footage wasn’t enough, a separate team from the University of Edinburgh released hydrophone (underwater microphone) recordings from the same week.
They were listening for noise pollution affecting local salmon. Instead, they recorded a low-frequency sound pulse dubbed “The Chirp.”
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It was recorded at a depth of 700 feet.
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It does not match any known species in the UK (seals bark, fish are silent, eels don’t chirp).
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Bio-acoustics experts compared it to the echolocation clicks of deep-sea whales, but the Loch is a freshwater lake, landlocked from the ocean.
Could “The Chirp” be the creature communicating? Or is it a geological groan from the Great Glen Fault line that runs beneath the lake?
The Skeptics Strike Back: Giant Eels?
Of course, science demands scrutiny. The leading counter-theory for the 2025 sightings comes from the “Giant Eel” hypothesis.
In 2019, a massive eDNA study of the loch revealed tons of eel DNA, but zero plesiosaur DNA. Professor Neil Gemmell, who led that study, suggested that “Nessie” might be a genetic mutation—a European Eel that never stopped growing.
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The Logic: Eels move in a serpentine motion. They can grow large (though 35 feet is biologically impossible for known species).
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The Heat Issue: Eels are cold-blooded. They shouldn’t glow on a thermal camera unless they had been sunning themselves on the surface, absorbing heat. But at 6:42 AM in Scotland? There is no sun.
The “Giant Eel” theory explains the shape, but it fails to explain the heat.
The “Portal” Theory: High Strangeness
We must also address the stranger side of the lore. A growing community of paranormal researchers believes Nessie isn’t an animal at all, but an “interdimensional” entity.
This theory argues that Loch Ness acts as a “thin place” or a portal. This would explain why the creature appears and disappears without leaving a carcass or a breeding population.
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Why hasn’t sonar found a skeleton?
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Why do sightings spike in specific years (1933, 1970s, 2025)?
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Why do cameras always malfunction around it?
While this sounds like science fiction, the lack of physical evidence after 100 years of searching forces us to consider that Nessie might not be “flesh and blood” in the way we understand it.
The Mystery Deepens
The October 2025 thermal footage has not been debunked yet. It is currently being analyzed by independent labs in Zurich and Tokyo.
If it is proven to be a glitch, we are back to square one. But if it is confirmed as a biological heat signature… we have to rewrite the textbooks.
For now, the Queen of the Highlands keeps her secrets. But with drones in the air and hydrophones in the deep, her game of hide-and-seek is getting harder to win.
What do you believe? Is Nessie a prehistoric survivor, a giant eel, or a ghost?
Love unexplained mysteries? Read our previous investigation into The Box Demon of Pennsylvania, or check out Alien Biology to see what scientists found inside a citrus pest