A-Z Animals
  • Animals
    • All Animals
    • By Starting Letter
    • By Scientific Name
    • By Class
    • By Location
    • Endangered
    • Amphibians
    • Birds
    • Fish
    • Mammals
    • Reptiles
    • Reference
  • Stories
    • All Stories
  • Pets
    • All Pets
    • Pet Cat Breeds
    • Dog Breeds
    • Pet Birds
    • Pet Rodents
    • Exotic Pets
    • Pet Fish
  • Quizzes
    • Animal Quizzes
    • Personality Quizzes
  • About
    • About A-Z Animals
    • Sourcing our Content
    • Contact Us
    • Privacy Policy
    • Terms & Conditions
Animals Stories
  • Animals
    • All Animals
    • By Starting Letter
    • By Scientific Name
    • By Class
    • By Location
    • Endangered
    • Amphibians
    • Birds
    • Fish
    • Mammals
    • Reptiles
    • Reference
  • Stories
    • All Stories
  • Pets
    • All Pets
    • Pet Cat Breeds
    • Dog Breeds
    • Pet Birds
    • Pet Rodents
    • Exotic Pets
    • Pet Fish
  • Quizzes
    • Animal Quizzes
    • Personality Quizzes
  • About
    • About A-Z Animals
    • Sourcing our Content
    • Contact Us
    • Privacy Policy
    • Terms & Conditions
Dark mode
Artist's rendering of a daeodon in a forest Animals

Daeodon

Prehistoric pigs like the Daeodon looked nothing like the farmyard pigs we know today. The Daeodon lived during the Oligocene…

Jun 4, 2022
3D rendering of a T-rex running on a dusty path Animals

Tyrannosaurus Rex

There are few dinosaurs as recognizable and fascinating as the ferocious Tyrannosaurus Rex. Well-known by its scientific name, T. rex,…

Jun 4, 2022
3D rendering of a Brontosaurus next to a human for scale Animals

Brontosaurus

If you ever did a school report on dinosaurs, or watched the movie Jurassic Park, then you know the famous…

Jun 3, 2022
3D rendering of ceratosaurus on white background Animals

Ceratosaurus

The Ceratosaurus was a Therapod: a dinosaur characterized by hollow bones and three toes and claws on each limb. It’s…

Jun 3, 2022
3D rendering of a Brachiosaurus Animals

Brachiosaurus

As one of the most recognizable dinosaurs, the popular Brachiosaurus was a well-known herbivore that liked to munch on leaves…

Jun 1, 2022
Ancient primitive caveman of the Cenozoic era. Blog

Cenozoic Era: Animals, Periods, and When It Happened

Evolution has taken life on earth through different types of species. The evolution of life on Earth is classified into…

May 31, 2022
The reconstructed skull of Livyatan. It boasts the largest biting teeth (excluding tusks) of any discovered animal. Animals

Livyatan

Livyatan melvillei, commonly known as Livyatan, was an ancient whale that owned the oceans millions of years ago. The only…

May 31, 2022
3D illustration of Arctodus in a snowy forest Blog

This Ancient Bear Towered Over Polar Bears and Was One of the Largest Ever

The Arctodus (Ark-toe-dus), or short-faced bear, was one of the largest bear genera that ever walked the earth. It existed…

May 30, 2022
Saber-toothed tiger on isolated background Blog

Paleogene Period: Animals, When It Happened, and Major Events

Dinosaurs ruled the earth for millions of years. When they died off suddenly in a massive extinction event, they left…

May 30, 2022
A trio of woolly mammoths trudges over snow covered hills. Blog

The Quaternary Period: Animals, When It Happened, and Major Events

This is the period most of us think about when think about the rise of early humas or we hear…

May 30, 2022
Early hominid Blog

This Ancient Animal Wasn’t Human, But It Was Close

Have you wondered just how humans could have ever been related to primates? The answer is simple – adapt or…

May 30, 2022
Woolly Rhinoceros Blog

Discover the 6,000lb Woolly Rhinoceros With a Deadly 5ft Horn

Unlike the rhinoceros we see today, the Woolly Rhinoceros had thick and shaggy hair covering them. This was probably due…

May 28, 2022
Cave Lion Cave Lion

What Were Cave Lions, the Half-Ton Top Ice Age Predators?

Known by many names, including the Eurasian Cave Lion and the European Cave Lion, Panthera spelaea is a species of…

May 28, 2022
Deinocheirus close-up Blog

This 36ft Tall Lizard Had Fearsome, Gigantic Claws

Dinosaurs are a class of reptiles that dominated the earth for over 160 million years. They possessed various shapes and sizes…

May 27, 2022
Statue of an archaeotherium Animals

Archaeotherium

Archaeotheriums are commonly referred to as “hell pigs,” but they aren’t actually related to our modern pig. Classification and Scientific…

May 27, 2022
Cave Lion Blog

Cave Lions Vs Modern Lions: Who Would Win In A Fight?

Lions are believed to be native to Africa. This statement is true for modern lions, like the West African lion…

May 27, 2022
Ornithomimus had large eyes and a large brain within its small head. Animals

Ornithomimus

Description & Size of the Ornithomimus Ornithomimus is a genus of ornithomimid dinosaur, and its name translates from Greek to…

May 27, 2022
Basilosaurus cetoides fossilized skull Blog

Discover The 70 Foot Predator Eel That Once Ate Whales

The dinosaur era was full of scary animals. These animals possessed enormous power and were very big. They roamed the…

May 26, 2022
eurasian cave lion Blog

The Largest Ever Feline Predator Was an 800lb Ice Age Monster

These days, when we think of an animal with a distinct mane, predatory skulk, and fierce roar, the only animal…

May 26, 2022
Maiasaura, a hadrosaur, on boulders atop a hill. This duck billed dinosaur, now extinct, was an herbivore that lived during the cretaceous period. Animals

Maiasaura

“Maiasaura dinosaurs can grow to 31 feet long” Maiasaura Description and Size The Maiasaura was one of many dinosaurs described…

May 26, 2022
Portrait of a plesiosaurus isolated on white background. Plesiosaurus was a swimmer dinosaur. Also known as Elasmosaurus. Animals

Elasmosaurus

The Elasmosaurus has a longer neck than almost any animal to have ever existed. Classification and Scientific Name Although Elasmosaurus…

May 26, 2022
Terror Bird Phorusrhacos Computer generated 3D illustration(1) Blog

This “Terror Bird” Dinosaur Ran Faster Than Any Human

Phorusrhacos (FOE-roos-RAY-cuss), or rag bearer in Greek, is an extinct genus of giant flightless terror birds that lived in Argentina…

May 25, 2022
Basilosaurus isolated on white background Animals

Basilosaurus

If you thought that Tyrannosaurus Rex was the king of all prehistoric creatures, you may be surprised to hear of…

May 24, 2022
artist rendering of a titanboa Blog

Discover The Snake As Big As A School Bus, The Largest Ever

You must have heard of some pretty big snakes in the world. If you’ve watched the anaconda movie series, you…

May 24, 2022
Life-size models of an adult and a young Uintatherium Blog

Discover the “Rhinosaur” That Weighed 2 Tons and Had Gigantic Fangs

It’s okay to wonder how an animal like the Rhinosaur existed. If you can imagine what it would look like…

May 24, 2022
Psittacosaurus standing on back legs on a white background Animals

Psittacosaurus

Description and Size This dinosaur’s name means “parrot lizard” in Latin, and indeed the little dinosaur did resemble that colorful…

May 24, 2022
A North American Cave Lion skeleton Animals

Cave Lion

Description and Size The cave lion is an extinct species that resembled, but was distinct, from the modern lion. Cave…

May 24, 2022
A patagotitan skeleton in a museum Animals

Patagotitan

Patagotitan Description and Size Height (shoulder): 18 – 20 feet Height (head): Unknown, possibly 40 – 50 feet Weight: 65…

May 24, 2022
A Cave Bear skull (Ursus Spelaeus) from the Carpathian Mountains in Romania Animals

Cave Bear

Cave bears earned their name by actually spending most of their time within the shelter of cave networks. Classification Other…

May 23, 2022
3D illustration of Cave Bear Ursus Spelaeus Blog

Just How Enormous Were Ancient Cave Bears?

Cave bears are so-named due to their tendency to hide and hibernate in caves. These ancient bears are actually two…

May 23, 2022
Statue of an archaeotherium Blog

Discover The Gigantic Pig That Used To Eat Camels (And Stack Them For Later)

Just imagine sweet Babe, the pig, but 10 times larger and hunting camels. That would give you the archaeotherium. Even…

May 23, 2022
Titanoboa illustration Animals

Titanoboa

Titanoboa Description & Size If you think the 15-foot-long anaconda is a horror show, imagine titanoboa, a 42-foot-long boa constrictor…

May 23, 2022
Phorusrhacos Animals

Phorusrhacos

Phorusrhacos is an ancient, extinct genus of flightless, giant carnivorous birds. Phorusrhacos was also known as a terror bird. They…

May 22, 2022
Arctotherium sketch Animals

Arctotherium

Arctotherium is an extinct genus of big short-faced bears that first evolved millions of years ago and lived until the…

May 22, 2022
Sinosauropteryx isolated on white background Animals

Sinosauropteryx

Sinosauropteryx prima is a compsognathid dinosaur. The compsognathidae consists of a family of colelurosaurian theropod creatures. The creatures are small,…

May 22, 2022
3D rendering of a Brachiosaurus Animals

Sauropoda

Sauropoda was a massive, long-necked dinosaur that holds the distinction of being the largest land animal to ever walk the…

May 21, 2022
A lifelike replica of Muttaburrasaurus in a park Animals

Muttaburrasaurus

Description and Size Muttaburrasaurus (Muttaburrasaurus langdoni) was an iguanodontian ornithopod dinosaur that lived between 113 million and 100 million years…

May 21, 2022
The most notable thing about the Parasaurolophus is its crest. This structure starts at the dinosaur’s nose, curves up the front of its skull and arches back over its head. Animals

Parasaurolophus

The Parasaurolophus ran on its hind legs at speeds of up to 30 miles per hour. Classification and Scientific Name…

May 21, 2022
An illustration of the extinct Woolly Rhinoceros slowly making his way through an Ice Age forest. The woolly rhinoceros was a member of the Pleistocene megafauna, common throughout Europe. Animals

Woolly Rhinoceros

When the Ice Age melted, its thick wooly coat was no longer needed and its ecosystem changed; thus, the Wooly…

May 21, 2022
Largest extinction events on earth Blog

The 6 Largest Extinction Events on Earth and When They Occurred

Evolution can lead to the emergence of new species and the extinction of old ones. It also drives the ongoing…

May 21, 2022
thylacoleo illustration Blog

This Animal Had the Strongest Bite Force of Any Mammal Ever

There are some really huge animals in our world today. While whales and elephants spring immediately to mind, they don’t…

May 21, 2022
Procoptodon Goliah Blog

The Largest Ever Ancient “Kangaroo” Was 10 Feet Tall

What would you do if you saw a kangaroo that towered over you? That could have been a possibility if…

May 21, 2022
2 woolly mammoths fighting in a snowy landscape Blog

The Neogene Period: Animals, Facts, and Major Events

The Neogene period follows the Paleogene Period in the Cenozoic Era. It has the Miocene and the Pliocene epochs. The…

May 20, 2022
thylacoleo illustration Animals

Thylacoleo

The thylacoleo was a genus of animals that contained the largest carnivore that ever lived in Australia and had the…

May 20, 2022
The face of the Procoptodon was short and flat with eyes that pointed forward. Animals

Procoptodon

Description and Size The Procoptodon is a genus of large kangaroos, which were notorious for their significant high and short…

May 20, 2022
A fossil of Uintatherium ("Beast of the Uinta Mountains") in Gallery of Paleontology and Comparative Anatomy of National Museum of Natural History. Uintatherium stood about 5.6 feet high at the shoulder, was about 13 feet long and weighed over 2 tons. Animals

Uintatherium

The Uintatherium was an exceptionally large and exceptionally ugly ungulate that lived during the Eocene epoch, which was between 56…

May 20, 2022
3D illustration of Arctodus in a snowy forest Animals

Arctodus

These bears were possibly the largest mammalian land predators ever. The Arctodus is an extinct member of the bear genus.…

May 19, 2022
3D rendering of an Archelon Turtle swimming in the ocean Animals

Archelon Turtle

The Archelon turtle (Archelon ischyros) is the largest turtle to have ever lived on Earth. The Archelon Turtle is now…

May 18, 2022
Oviraptor holding an egg Animals

Oviraptor

The Oviraptor is a genus of oviraptorid dinosaur. The name is Latin for “egg thief,” which is what scientists originally…

May 18, 2022

Dire Wolf

Aenocyon dirus, the dire wolf, was a massive carnivore during the Late Pleistocene and Early Holocene epochs. This means they…

May 18, 2022
Previous 1 … 6 7 8 9 Next
A-Z Animals
  • About Us
  • Contact Us
  • Sourcing Our Content
  • Privacy Policy
  • Terms & Conditions
  • Editorial Guidelines
  • Write for Us
RSS Facebook Twitter YouTube Instagram TikTok

As an Amazon Associate we earn from qualifying purchases. Learn more about us & read our affiliate disclosure.

© 2026 A-Z Animals. All rights reserved.