QuirkScience

Is the Loch Ness Monster Real?

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Season 2: the deep ocean · Posted ·

The short answer

No good evidence says so. Her most famous photo, the 1934 "surgeon's photograph", shows a toy submarine with a head and neck of wood putty. It fooled the world for about 60 years, until the man who built it confessed.

The loch is also far too young. It is only about 10,000 years old, and plesiosaurs, the reptiles Nessie is usually said to be, died out 66 million years ago.

A hoax built for revenge

In 1933 the Daily Mail hired a big game hunter, Marmaduke Wetherell, to find the monster. That December he reported huge footprints on the shore. Researchers at the Natural History Museum found they were made with a dried hippo's foot, the kind people kept as umbrella stands. The paper turned on him.

His son later remembered his answer: "We'll give them their monster." Wetherell's stepson, Christian Spurling, built the model on a toy submarine. A respected London doctor, Robert Kenneth Wilson, took the undeveloped glass plates to a chemist in Inverness and sold the photos to the paper for 100 pounds.

The picture most people know is cropped. The full frame shows the far shore of the loch, and next to it the model looks small. No source says who did the cropping. In 1994, after Spurling confessed, newspapers around the world reported the hoax.

Could anything big live there?

The water is young. Loch Ness formed at the end of the last ice age, about 10,000 years ago. For about 20,000 years before that, the glen was frozen. The rock valley is much older. The lake in it is not.

In June 2018, scientists collected 250 water samples from around the loch and read the DNA that living things leave in the water. They found no reptile DNA at all. They found eel DNA at almost every spot they sampled.

The only monsters known to be in the loch are fakes. When a water bailiff came near, Wetherell sank the model with his foot. It is presumably still somewhere in the loch. It has company: a Nessie prop built for the 1970 film The Private Life of Sherlock Holmes sank during a test, and a robot sub found it in 2016.

Key numbers

WhatNumberSource
Year the Daily Mail sent a hunter to find the monster1933Museum of Hoaxes (hoaxes.org), The Surgeon's Photo
Year the surgeon's photograph was first published1934PBS NOVA, The Legend of Loch Ness
What the doctor was paid for the photos100 poundsHektoen International, 2022
How long the photo fooled the worldabout 60 years (1934 to 1994)PBS NOVA, The Legend of Loch Ness
Age of Loch Nessabout 10,000 yearsWikipedia, Loch Ness Monster
How long the glen was frozen before the loch formedabout 20,000 yearsWikipedia, Loch Ness Monster
When plesiosaurs died out66 million years agoNational Geographic, The Loch Ness Monster legend
How many times longer ago the plesiosaurs died out than the loch formedabout 6,600 timesOur arithmetic from National Geographic, The Loch Ness Monster legend
Water samples in the loch's DNA survey (collected June 2018)250Sci.News, 2019
Reptile DNA found in the surveynoneWikipedia, Loch Ness Monster

What the film simplifies

At a glance

Runtime 1 minute 3 seconds · Topics: Hoaxes, Evidence and photos, Loch Ness, Environmental DNA · Captions on YouTube · Full script below

Test yourself

  1. The surgeon's photograph was printed cropped. What did the full photo show, and why did that matter?

    Answer

    It showed the far shore of the loch. Next to the shore the model looks small, so the cropped version made the monster look much bigger.

  2. Plesiosaurs died out 66 million years ago. Loch Ness is about 10,000 years old. How many times longer ago did the plesiosaurs die out than the loch formed?

    Answer

    About 6,600 times, because 66,000,000 divided by 10,000 is 6,600.

  3. Wetherell's footprints and the surgeon's photograph were both fakes. What gave each one away?

    Answer

    Museum researchers found the footprints were made with a dried hippo's foot. The photo was exposed when the stepson who built the model confessed, and the uncropped frame shows how small the model was.

The script

Nessie: The most famous photo of the Loch Ness Monster. That's me.

Host: Now uncrop it.

Nessie: I photograph big.

Host: She's a toy submarine with a putty head. Built for revenge.

Host: In 1933, a newspaper sent a hunter to find the monster.

Host: He found footprints!

Host: The museum said: a hippo's foot.

Nessie: From somebody's umbrella stand.

Host: The paper dropped him.

The Hunter: We'll give them their monster.

Host: His stepson built her. A respectable doctor sent in the photos.

Nessie: My agent.

Host: The photo got cropped, so you couldn't see how small she was.

Host: It fooled the world for sixty years, until the stepson confessed.

Nessie: Snitch.

The Loch: A real one? In me? I'm only about 10,000 years old.

The Loch: Before that, I was ice.

Host: She's meant to be a plesiosaur. Extinct for 66 million years.

The Loch: She's 66 million years late.

Nessie: Fashionably.

Host: And the toy? The hunter sank it.

Host: It's probably still down there.

The Loch: So there is a monster in me.

Nessie: Ready for my close up.

Sources

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