Reptiles

Reptiles

A northern cottonmouth (Agkistrodon piscivorus) crosses Snake Road in Shawnee National Forest, Illinois - October 14, 2025. Credit: Amy Randall

Twice a year, this road in Illinois starts crawling with thousands of snakes. Here’s why 

This road in southern Illinois is the only known road in the world to close due to reptile migration.
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Florida Everglades

"Removing the biggest female we’ve ever caught is very different from removing a tiny snake." Researchers reveal new solution to Florida's invasive python problem

Ecologists have come up with a new solution in South Florida’s ongoing work to remove invasive Burmese pythons.
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A loggerhead turtle photographed underwater in shallow water.

What on Earth are tautonyms, triple tautonyms – and binomial nomenclature?

A tautonym is an interesting quirk in the naming system of animals, where the words used for the genus and specific names are identical. Learn more about tautonyms, triple tautonyms, binomial nomenclature, and examples of tautonyms.
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A grass snake on a woodland floor, lit up by a patch of sunlight

It's the length of a bathtub, can play dead and has a defensive spray that smells of rotten fish

Discover fantastic facts about Britain's largest native terrestrial reptile in our expert guide by PhD student Steve Allain.
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Komodo Dragon

It has iron-coated razor-sharp teeth, weighs the same as a keg of beer and delivers its deadly venom by raking its teeth through its prey’s flesh

Komodo dragons have inspired myths and legends for centuries. We take a look at the fearsome predator
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A wildlife officer from the Victorain Department of Environment, Land, Water and Planning (DELWP) measures one of two Blue-tongued lizards (Tiliqua nigrolutea) found bound and stuffed inside a DVD player. Posted to Asia, it was detected at a Melbourne postage sorting facility. DEWLP favility, Victoria, Australia March, 2019

“This was just one of two blue- tongues stuffed inside that DVD player. Another package was detected containing more blue-tongues bound with tape"

Documenting the illegal trade in Australian reptiles, Doug encountered native lizards concealed in electrical equipment.
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Jonathan the giant tortoise

Scientists analysed the DNA of world’s oldest land animal. What they found was staggering

Jonathan the Aldabra giant tortoise is around 194 years old – making him a contemporary of Charles Darwin
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The Great Sphinx in Egypt

New crocodile species discovered in rocks used to build Egypt’s Great Sphinx

Scientists have uncovered a new species of extinct crocodile in Egypt, after reanalysing fossils in rock used to build the ancient wonder
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what's the difference between an alligator and a crocodile

Crocodile vs alligator: what's the difference between these two fearsome apex predators?

What's the difference between a crocodile and an alligator? Stuart Blackman explains why gators are not crocs and crocs are not gators.
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A large American alligator with its mouth wide open

It has a bite force of 9,452N with jaws built for crushing and holding prey – and can swallow its prey whole

The American alligator plays many roles in wildlife
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E. omanensis feeding on G. barreimiae from a drying pool in Wadi Wurrayah, United Arab Emirates

This snake was just seen hunting and eating fish for the first time ever

Oman saw-scaled vipers are exploiting fishy food sources from the Arabian Peninsula's drying desert pools, according to a new study.
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Skeleton of the holotype of Austronaga minuta (IVPP V18579).
Abbreviations are in the Supplementary Materials. Scale bars, 2 cm (A) and 1 cm (B to D).

Stomach, liver and intestines of 245 million year old marine reptile unearthed in Chinese mountains

This exceptionally well-preserved fossil offered researchers a goldmine of information about the animal’s digestive system.
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Indotyphlops gyirongensis habitat in Gyirong, Xizang, China

Blind snake that looks like a massive earthworm discovered on roadside in China

Researchers found the new species of snake in a forested area near the China-Nepal border.
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Basilisk lizard (Basiliscus basiliscus)

Watch jaw-dropping footage of a creature miraculously sprinting on water to get away from predator

By running at great speeds across water, the basilisk lizard avoids becoming prey – this BBC footage shows exactly how it does it.
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Researchers shined UV light on this 125-million-year-old crocodile. What they found is fascinating 

New research provides key information about the early evolution of a group of reptiles known as crocodylomorphs.
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sea snake facts

"They have some of the deadliest venom in the world, which can cause paralysis, including of the diaphragm, potentially leading to respiratory failure."

All you ever needed to know about the much-feared sea snake
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Burmese pythons in Big Cypress National Preserve, Florida

Burmese pythons are climbing trees in the swamps of Florida. These people tracked them to find out why

The pythons use trees to bask and rest, gather in groups, and even to brood eggs, say researchers.
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"I was dragged into the murk. I clawed at the sand in hope of grabbing a rock to hit it with and pry my leg out from its jaws"

Marine biologist Melissa Cristina Márquez went searching for one predator – but had a scary encounter with another.
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How long can an alligator hold its breath underwater?

One of the world’s biggest predators can’t breathe underwater – yet it can stay submerged for hours

Laura Kojima explains how alligators are able to stay submerged underwater without breathing for hours at a time
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Black snake

This newly discovered snake species in Ethiopia feasts exclusively on birds'eggs

It took seven years for Dasypeltis albigularis to be formally described
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Credit: Rizky Ade Jonathan/Getty Images

This river contains around 500 deadly saltwater crocodiles. It’s just been approved for the rowing and canoeing events at the Brisbane Olympics

The International Olympic Committee has endorsed the Fitzroy River course for the 2032 Olympics.
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A fer-de-lance (Bothrops asper) in a remote off-grid eco-lodge in Costa Rica.

Python vs viper: What's the difference between these two heavyweight snake families?

They might both command a great deal of attention (and fear), but pythons and vipers have entirely different bodies, hunting methods and ways of raising their young
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Jaimie Tuchman/Getty Images

"He was dragged down to the riverbed and was rapidly running out of air…" 8 animals that deliberately drown their prey underwater to drown them

Drowning as a method of killing prey isn't the most popular in the animal kingdom - but it does happen...
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Craig Cordier/Getty Images

"Bites result in grotesque swellings - medical amputations of digits and limbs are not uncommon…" 10 deadliest snakes in Africa

The long-and-short and thick-and-thin of Africa’s deadliest snakes.
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