Reptiles

Some rough-skinned newts host bacteria on their skin that produce the neurotoxin tetrodotoxin to keep predators at bay.

Toxic Newts Use Bacteria to Become Deadly Prey

Scientists discover neurotoxin-producing bacteria living on the skin of rough-skinned newts

Cricosaurus suevicus is an ancient relative of modern crocodiles that spent its life in the ocean.

Like Dolphins and Whales, Ancient Crocodiles Evolved to Spend Their Time at Sea

Researchers tracked changes in the crocodilian creatures’ inner ears to learn how they moved into the sea

This illustration is an artist's interpretation of what a toothed pterosaur may have looked like 100 million years ago.

Four New Species of Prehistoric Flying Reptiles Unearthed in Morocco

These flying reptiles patrolled the African skies some 100 million years ago

Olms, also called "baby dragons" and "human fish," are blind, foot-long salamanders native to European caves.

A Cave-Dwelling Salamander Didn't Move for Seven Years

The blind, eel-like amphibians called olms live deep in European caves and can go years without food

Two giraffes

Fourteen Fun Facts About Love and Sex in the Animal Kingdom

Out in the wild, flowers and candy just aren’t gonna cut it

The Cape coral snake is a venomous species that lives in arid regions of southern Africa.

The Future of Antivenom May Involve Mini Lab-Grown Snake Glands

The antiquated technique used to produce antivenom requires injecting venom into horses and this new method may someday remove that step from the process

Despite how this iguana looks, it is actually note dead, just cold-stunned. It will likely thaw-out as the sun warms it back up.

Florida’s Weather Forecast? Cold, With a Chance of Iguanas

Stunned by chilly weather, the invasive lizards were dropping out of trees in the Sunshine State

An artist's illustration of Dendromaia unamakiensis, a 310-million-year old land-dwelling vertebrate that looked a like a modern monitor lizard, pictured here with its offspring

Lizard-Like Fossil May Represent 306-Million-Year-Old Evidence of Animal Parenting

Shortly after transitioning from sea to land, our egg-laying ancestors may have started parenting their young

Researchers Discover Secret Breeding Ground of World's Most Endangered Crocodile

Over 100 recently-hatched gharials were found deep in Nepal's Bardia National Park

Why did this cheeky snake have two hind legs?

New Fossils Unlock Evolutionary Secrets of Two-Legged Snakes

Scientists have known about the ancient snake group Najash for years, but were not able to gain a thorough understanding of its skull until now

By comparing the skulls of extinct dinosaurs to those of living relatives, such as crocodiles and wild turkeys, researchers have conclude that the prehistoric beasts had sophisticated thermoregulation systems in their skulls.

Special Skull Windows Helped Dinosaur Brains Keep Cool

Dinosaur skulls had many cavities and openings, some of which may have held blood vessels to help cool off the animals' heads

Warmer temperatures yield more female hatchlings, while colder temperatures yield more males

Turtle Embryos May Be Able to Influence Their Sex by Moving Around Inside the Egg

When embryos found the so-called 'Goldilocks' temperature zone, sex selection was randomized, producing a nearly even split between males and females

Ian Bartoszek and Katie King recapture the 50-pound sentinel snake Johnny, who has led his minders to 18 adult Burmese pythons for removal.

The Snakes That Ate Florida

Bounty hunters and biologists wade deep into the Everglades to wrestle with the invasion of giant pythons threatening the state's wetlands

Your Old Bra Clasps Can Save Injured Turtles

The clasps are glued on either side of a shell fracture, then pulled together with a zip tie to stabilize the injury

Instead of the tennis ball, imagine this Boykin spaniel holding an ornate box turtle in its mouth, ready to deliver it to conservation researchers.

Very Good Dogs Helped Track Threatened Turtles in Iowa

The dogs are trained to find ornate box turtles and bring them to researchers—part of an effort to save the struggling species

The almost 3-year-old female offspring (left) and her 12-year-old mother (right)

The National Zoo’s Female Asian Water Dragon Successfully Reproduced Without a Male

This is the first time facultative parthenogenesis has been recorded in both the species and the reptilian Agamidae family

Australia Has Several New Dragon Lizard Species—and One May Already Be Extinct

A new study shows the endangered grassland earless dragon is actually four separate reptile species—and one hasn't been seen since 1969

The sizable specimen was carrying 73 developing eggs at the time of her capture

Record-Breaking 17-Foot-Long Burmese Python Found in Florida

The 140-pound snake is the largest ever captured in the Florida Everglades' Big Cypress National Preserve

This is why we can't have nice things.

Indonesia Considers Closing Komodo Island Because Poachers Keep Stealing the Dragons

Komodo National Park may put the island off limits to restore degraded habitat and help its iconic giant lizards and their prey recover

Over 150 Years of Data Sheds Light on Today's Illegal Tortoiseshell Trade

The analysis, which goes back to 1844, shows why the decline of the hawksbill sea turtle isn’t just a modern problem

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