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Extinct Animals

Extinct animals are those species which are no longer living. This group includes prehistoric animals like dinosaurs and ice-age mammals, as well as moden species like the Dodo.

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Triceratops: Facts About the Life and Times of a Three-horned Dinosaur

Triceratops — which literally means "three-horned face" — is one of the most spectacular and well-known of all dinosaurs. It shared the Cretaceous landscape with, and probably was preyed upon by, Tyrannosaurus rex.

The Massive Titanoboa Snake Once Ruled the Colombian Rainforest

The extinct Titanoboa snake lived around 66 million to 56 million years ago. These things were massive and could reach 50 feet long and 3 feet wide making them the largest snake ever to have roamed the Earth.

Giganotosaurus Was One of the Largest Carnivorous Dinosaurs That Ever Lived

Constantly compared to the Tyrannosaurus rex, the Giganotosaurus was one of a handful of dinosaurs that rivaled, or possibly exceeded, the creature in size.

Once Thought Extinct, the Tasmanian Tiger May Still Be Prowling the Planet

On Sept. 7, 1936, Benjamin, the last known Tasmanian tiger, died in captivity at the Hobart Zoo in Tasmania, Australia. But there are those who believe this extinct species still walks the Earth.

Giant VW-sized Turtles Once Prowled South American Waters

Back in the day, the soupy pre-Amazonian waters were filled with beasts like Stupendemys geographicus, a giant turtle the size of a sensible sedan.

Prehistoric Predator Rediscovered in Museum Drawer

The fossilized remains of Simbakubwa kutokaafrika, which means "big lion from Africa," were discovered not once, but twice.

Scary Prehistoric 'Hell Pigs' Once Roamed the Earth

These super-frightening entelodonts (aka hell pigs) once patrolled throughout Eurasia, North America and Africa.

Fanged, Flying Reptiles Once Soared Over Jurassic England

Mid-Jurassic England was teeming with flighted creatures. Now we know it included one pterosaur called Klobiodon rochei.

Lonesome George Lived to Be 100 Years Old. Genome Sequencing Is Figuring Out How

Lonesome George, the last of his species of tortoises, died in the Galapagos in 2012. But scientists have now finished analyzing his DNA and found some fascinating clues about giant tortoise longevity.

Newly Discovered Gordodon Beast Was an Herbivorous Pioneer

This fin-backed pelycosaur roamed what's now the American Southwest 298 million years ago. And it's by far the oldest-known vegetarian tetrapod with gaps between some of its teeth, which is a big deal.

How Two Rival Mammoths Lost an Epic Duel 12,000 Years Ago

The battle clearly ended in a slow death for both massive male beasts.

Spinosaurus Was a Lousy Swimmer, Study Says

The villainous dinosaur from 'Jurassic Park' probably never had an affinity for water.

Prehistoric Turtle Had a Toothless Beak But No Shell

A 220 million-year-old turtle fossil discovered in China is the first of its kind ever to be found.

Who Owns the Rights to a Dinosaur Skeleton?

Someone just paid $2.36 million to take home an exquisite dinosaur skeleton. The sale has added to the growing scientific anxiety about the commodification of precious, irreplaceable fossils.

Today’s Birds Likely Evolved from Ground-Dwelling Feathered Dinosaurs

New research suggests the asteroid impact that killed the dinosaurs probably burned Earth's forests, requiring modern birds' common ancestors to live on the ground.

The Mastodon Boneyard That Stole Thomas Jefferson’s Heart

Massive mastodons roamed lower Kentucky during the last ice age. Jefferson was so fascinated by the creatures he was convinced they still roamed the plains in the 1800s.

Possible 'Baby' T. Rex Enters Dinosaurian Debate

University of Kansas paleontologists are comparing the bones of a new T. rex to determine if they've got a juvenile Tyrannosaurus or a mature Nanotyrannus on their hands.

Ancient Fish Strutted Seafloor Before Land Animals

Walking evolved not on land but underwater.

Rare Egyptian Fossil Find Holds Clues About African Dinosaur Migration

Could this exciting find help bridge the gaps between Africa's late Cretaceous fossil record and that of other continents?

Scientists Unearth Another Archaeopteryx, an 'Icon of Evolution'

The fossilized find provides us with another example of the oldest bird species we know of.

Huge Cache of Pterosaur Eggs Discovered in China

Paleontologists in China hit the jackpot of fossilized pterosaur eggs.

Nearly Complete Tyrannosaur Skeleton Found in Utah

The American Southwest was once prime tyrannosaur country, as a newfound skeleton reminds us.

Velociraptors Likely Hunted Solo, Despite Pop Culture Depiction

Scientists are at odds about whether Velociraptors worked together to take down their prey.

Prehistoric Frog Had a Monstrous Bite

A new study found that the Beelzebufo frog had a bite strong enough to take down dinosaurs.

Prehistoric 'Hell Ant' Sported Metal Spike for Sucking Blood

Instead of a mouth, the hell ant had blades and a metal horn to catch its prey. Ouch.

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