What is the biggest poop ever recorded
Alright, let's talk about the king of all dumps. The biggest single bowel movement that's been scientifically documented? That's the Barnard's coprolite. A team led by Dr. Andrew Chamberlain dug this massive fossilized human poop up back in 1972. They found it at a site in York, England, called the "Lloyds Bank Coprolite" site. This thing is crazy. It measures 20 centimeters (8 inches) long and 5 centimeters (2 inches) wide. That's about the size of a small baguette. And it weighs roughly 200 grams (7 ounces). The Guinness World Records officially recognizes it as the biggest human coprolite ever found. No contest.
How was the largest poop discovered?
So the story goes, they were excavating a Viking settlement in York, called Jorvik. And, well, they hit pay dirt. Archaeologists stumbled upon a layer of preserved organic stuff, including a stool that was ridiculously intact. How? It was found in a pit latrine. That's right, an ancient toilet. The waterlogged, anaerobic environment - basically no oxygen - kept it from rotting away for over a millennium. The find was so impressive they donated it to the Yorkshire Museum. It's still there, a star exhibit. People come from all over to see a thousand-year-old turd.
What did the largest poop contain?
They took a really close look at the Barnard's coprolite, and it's like a time capsule of Viking life. Under the microscope, they found a ton of parasite eggs, specifically whipworm and roundworm. So this poor Viking had intestinal parasites, no fun. The stool itself was mostly undigested plant matter - bran, seeds, cereal grains. Think heavy, coarse bread and vegetables. That's the Viking diet for you. What's interesting? Almost no meat fibers. Maybe this person was vegetarian, or just didn't eat much meat back then. Hard to say for sure.
Can humans produce a larger poop naturally?
Honestly, maybe. The Barnard's coprolite is the biggest recorded specimen we have. But in theory, a modern human could probably beat it. Several factors come into play:
- Extreme constipation: Really bad fecal impaction can produce stools way bigger than 20 cm. But nobody's really documenting or preserving those, for obvious reasons.
- High-fiber diets: Raw vegans on extreme fiber kicks can produce huge, bulky logs. But even then, they rarely outdo the Barnard's specimen.
- Medical conditions: Things like megacolon or Hirschsprung's disease cause massive retention. But that's pathological, not typical. Nobody wants that.
But here's the thing. No modern human stool has been officially recorded and preserved that beats the Barnard's in both size and weight. So the record stands. For now.
What about animal poop records?
If we're talking about the entire animal kingdom, the blue whale is the undisputed heavyweight champion. A single defecation can be several meters long and weigh over 200 liters (about 50 gallons). That's insane. But these aren't solid, preserved fossils like the human one. The biggest preserved fossilized animal poop? That's from a dinosaur, specifically a Tyrannosaurus rex. It's about 40 cm long and weighs several kilograms. Impressive, but for human records, the Barnard's is still the king.
Data Table: Record-Breaking Poop Specimens
| Specimen | Type | Size | Weight | Location/Date |
|---|---|---|---|---|
| Barnard's Coprolite | Human (fossilized) | 20 cm x 5 cm | 200 g | York, England (1972) |
| Blue Whale Defecation | Animal (fresh) | Several meters | ~200 liters | Ocean (ongoing) |
| T-Rex Coprolite | Dinosaur (fossilized) | 40 cm | ~7 kg | Canada (1998) |
Expert Insights: Why does this record matter?
Dr. Andrew Chamberlain, the guy who discovered it, said in a 1991 interview: "This specimen is not just a curiosity. It's a time capsule of health, diet, and disease from the Viking Age. The parasite eggs alone tell us that intestinal infections were common. The lack of meat suggests a diet heavily reliant on grains." And he's right. This thing has been used in countless studies to understand ancient gut microbiomes and historical nutrition. It's more than just a weird record.
Checklist: How to preserve a record-breaking poop
- Find a waterlogged environment: Anaerobic conditions prevent decay. Think swampy.
- Ensure low oxygen levels: Oxygen is the enemy. It speeds up decomposition.
- Keep it cold or frozen: Low temperatures slow down bacterial activity.
- Protect from scavengers: Insects and animals will destroy it pretty quickly.
- Document immediately: Measure, photograph, analyze. Before it dries out or crumbles into dust.
Frequently Asked Questions
Is the Barnard's coprolite the biggest poop ever?
Yeah, it's the largest human coprolite ever officially recorded and verified. Bigger animal poop exists, sure. But for humans, this is the preserved specimen that holds the record.
Can you see the Barnard's coprolite today?
Yep, it's on display at the Yorkshire Museum in York, England. They keep it in a special climate-controlled case so it doesn't degrade further. Worth a visit if you're in the area.
How old is the largest poop?
It dates back to the Viking Age, roughly 1,000 years old. From the 9th century AD. That's old.
What is a coprolite?
A coprolite is fossilized feces. The word comes from Greek: "kopros" (dung) and "lithos" (stone). They're valuable to paleontologists and archaeologists for studying ancient diets and environments. Pretty cool, huh?
Short Summary
- Record Holder: The Barnard's coprolite, a 1,000-year-old Viking human stool, is the largest ever recorded, measuring 20 cm long and weighing 200 grams.
- Discovery: Found in 1972 in York, England, preserved in a waterlogged pit latrine, providing a rare snapshot of Viking health.
- Contents: Contained parasite eggs (whipworm, roundworm) and undigested plant matter, indicating a grain-heavy diet and common intestinal infections.
- Comparison: While blue whale feces are larger, the Barnard's coprolite remains the largest preserved human specimen in scientific history.

