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152 Results for "fish"

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Check out these fascinating fish from Africa's lower Congo River.
Hands-on

Create a flounder fish that's hard to spot!
Story

What kind of person becomes an ichthyologist, a scientist who studies fish?
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Polar bears are the top predator of the icy Arctic. But these large, furry white mammals have to work hard for their...
Video

Can poisons be used for good? Yes, and Robert will tell you why.
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For centuries, orange roughy went mostly unnoticed by humans. These fish thrived in the dark, the cold, and the inten...
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The striped bass has been a popular catch for fishermen for centuries. These fishes are known for their spiny fins an...
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California condors are the largest birds in North America. Like all vultures, condors are carrion-eaters. This means...
Game

All aboard! Hop on a submersible and explore an amazing diversity of life at the ocean floor.
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Melanie Stiassny has been fascinated by fish from the time she was a little girl living in London. Today, Melanie is...
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Ian Harrison first became interested in sea life during family vacations to the southwest coast of England.
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Discover how these deep sea creatures create their own light!
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In 1938, fishermen off the east coast of Africa pulled up a strange creature in their nets.
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For over 1,000 years, people called the Inuit lived in the Arctic. Long ago, they relied on fishing and hunting for s...
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With their white bellies and dark backs, dolphins can be found jumping above the water, swimming alongside fishing sh...
Hands-on

Make a bracelet that matches a section of DNA code from your favorite plant or animal.
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It's easy to see how the starfish got its name -- with their pointed arms, these creatures look like stars fallen to...
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These tropical freshwater fishes come in so many colors, shapes, and sizes, it's nearly impossible to sum up the fami...
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Dive into the oceans with an ichthyologist.
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With its long, dramatic crest, the giant Pteranodon longiceps is easy to recognize.
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Many animals and plants use color to warn predators to stay away, and the blue ringed octopus is no exception. When t...
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Even though this whale of a whale weighs many tons, the humpback whale can make acrobatic leaps out of the water!
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The electric eel is long and narrow like an eel, but it is actually not an eel at all. In fact, electric eels are pro...
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Animals and plants are usually adapted to survive best in particular environments, known as their habitats.
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Estuaries are places where a river meets the sea. This ever-changing ecosystem is bursting with life. Saltwater from...
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The oceans are filled with creatures that use poison to survive. Some use chemical defenses to deter predators. Other...
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Far beneath the ocean's surface is a mysterious world of cold temperatures, intense pressure, and almost total darkne...
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Scientists all over the world send precious cargo to Julie Feinstein: frozen samples of animal tissues.
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The whooping crane is known as the tallest bird in North America. This long legged creature has been struggling to su...
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This large dark bird is unmistakable soaring in the air along the coast.
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The American crocodile has lived on Earth for millions of years, but today their numbers are rapidly declining becaus...
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That toothy grin might make you think this is a crocodile or an alligator. But the Yacaré caiman is neither. Caimans...
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Confuciusornis is the earliest-known toothless, beaked bird.
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The snowy egret is a beautiful sight. An adult egret is distinguished by its dark slender beak, long black legs, and...
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A coral reef may look like a colorful underwater garden, but these living structures are made by thousands of tiny an...
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One look at Redondasaurus, and you might think it's a crocodile. After all, it has a similar long, armored body, with...
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During the 13th and 14th centuries, a group of people called the Aztecs flourished in Mexico. They built an advanced...
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The frigid waters of the Arctic and the Antarctic may seem like hostile habitats. But a variety of marine life -- fro...
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The body of a sawfish may look like a fish, but its long, flat snout sets it apart. Rimmed with razor-sharp points, t...
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If you came face to face with a pacu, what would you do? Never fear -- the pacu may look like a big and scary fish, b...
Hands-on

How do mammals move? Make flipbooks to see six different mammals in action.
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The giant squid is the largest invertebrate, or animal without a backbone, ever to have lived on Earth! 
Hands-on

Find out which of your traits are due to nature OR both nature and nurture. 
Hands-on

Find out what makes you different from a snail, a tree, or even your best friend!
Hands-on

Here's a very cool experiment that just might bring a tear to your eye. Use a blender to separate the DNA from an onion. 
Hands-on

Start a field journal, and track how your favorite critter looks and behaves.
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The most dazzling feature on many pterosaurs was a spectacular head crest. Tupuxuara leonardii had one of the most im...
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Growing up in Argentina, Adriana Aquino loved nature, especially the ocean. As a young girl, she wondered what it wou...
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Tipping the scales at more than 7 pounds, the Goliath is the largest frog in the world. Just two of these frogs weigh...
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Most ocean plants and animals live near the shore, on a narrow ribbon of seafloor called the continental shelf.
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Find out where Rob has followed his born curiosity.
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From Madagascar to Indonesia, travel around the world with Museum scientists.
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Plankton are the microscopic organisms of the sea. Just as plants form the basis for the ecosystem on land, phytoplan...
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Found along tropical coastlines, thick mangrove forests were once considered a nuisance, infested with mosquitoes and...
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A firefly's light seems rare and magical. Yet there are many living things that blink, glow, flash, and glitter. The...
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The Portuguese man-of-war is actually a floating colony of individuals called polyps that are all dependent on each o...
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The hellbender is one of the largest salamanders in North America.
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The Sumatran tiger is found in only one place on the Earth -- on the island of Sumatra in Indonesia. Fewer than 500 o...
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With its furry coat, friendly face, and playful nature, the sea otter is perhaps one of the most endearing animals in...
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California sea lions are playful, intelligent, and fast—in and out of water. Their large flippers enable them to leap...
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Most amphibians start their lives in water, and grow up to live on land. But axolotls live their whole lives in water...
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The first vertebrates to fly took to the skies about 215 million years ago. These creatures were neither birds nor ba...
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Until 1828, pterosaur fossils had been found only in Germany. Then a new kind of pterosaur fossil was discovered in E...
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Hundreds of years ago, European sailors placed carved mermaids on the front of their ships as figureheads and told ta...
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Like humans, animals need to communicate with each other. Through sight, touch, sound, smell, and even electrical pul...
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Bustling with a spectacular diversity of life, coral reefs are the rain forests of the oceans.
Hands-on

Create land and sea animals that "glow" in the dark!
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If you watched an American black bear lumbering through the forest, you might not notice anything unusual about how i...
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Imagine a flying reptile the size of a two-seater plane! That's Quetzalcoatlus, one of the largest flying animals eve...
Hands-on

Send a note to a friend with these watery letterheads.
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Manatees were once mistaken for mermaids. In fact, manatees are part of a small group of marine mammals known as &quo...
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Unlike modern reptiles, pterosaurs weren't covered in scales. They were covered in fuzz! Pterosaurs kept warm with a...
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The blue whale is the largest animal ever to have lived on Earth.
Hands-on

Can you make it down to the ocean floor? Along the way, discover what makes water special.
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The deep sea is not an easy place to explore. To observe the ocean below 2,000 meters (or 6,562 feet), scientists mus...
Story

Explore this family tree of living things on Earth.
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Imagine you are a marine biologist, traveling far beneath the ocean surface in a submersible.
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It's no fluke that Howard Rosenbaum is wild about whales -- especially the endangered right whales and humpback whales.
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The seafloor covers more than half of the Earth's surface. Most of the seafloor consists of the flat, expansive abyss...
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Growing up, Joel Cracraft loved reading travel and adventure books. In high school, he became interested in ornitholo...
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This treehopper looks more like an ant than the flying insect it is. Its costume, called a "helmet," grows...
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Many other animals use camouflage -- colors, textures, or patterns that help them blend in with their environment.
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Some people may call invertebrates spineless because they lack a backbone or spine! But these amazing creatures are t...
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Like many kids interested in science, Ro Kinzler thought she wanted to be a marine biologist. But later on, she reali...
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Compared to other titanosaurs, Gondwanatitan was a peewee at only about 7.5 meters (25 feet) long. 
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This extinct bird weighed over 330 pounds and had heavy legs and tiny wings. 
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This prehistoric relative of living ducks had a long neck, tall legs, webbed feet, and a duck-like head.
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Over 80 kinds of poison frogs live in the tropical forests of Central and South America.
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The red kangaroo is an amazing mammal. With its powerful hind legs and long tail, it can leap up to 45 feet (13.5 m)...
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On the dry grasslands of eastern Africa, the Thomson's gazelle grazes in the tall grass. Suddenly, it hears a noise a...
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Many mammals run and walk. Some hop, swim, and even glide from trees.
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Animals swim, walk, crawl, slither, squirm, and even fly through the air. They can catch free rides by attaching them...
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In college, Rob DeSalle wanted to study the narwhal, an Arctic whale with an eight-foot spiral tooth.
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Some of Earth's oddest creatures live arounddeep-sea hydrothermal (hot water) vents. These vents spew plumes of hot,...
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As you can tell from its body plates and tail spikes, this dinosaur is related to Stegosaurus. 
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This horned dinosaur had two long spikes on the back of its frill, the bony extension behind its skull.
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This plant-eating dinosaur was an ornithopod, as are duck-bill dinosaurs. 
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With its bird-like features, this animal was mistaken for a giant bird for a while.
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Its brow horns and snout horn inspired this dinosaur's name, which means "three-horned face."
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Because of the diamond-shaped plates on its back, Stegosaurus was given a name that means "roof lizard." 
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With vibrant colors and fantastic shapes, coral reefs are a breathtaking sight. These underwater structures are actua...
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Some exotic creatures lurk in the polar seas, but perhaps none is more bizarre than the giant sea spider.
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Dug up in the Alxa Desert in China, this is the oldest and most complete therizinosaur ever found.
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This theropod belonged to a group called ornithomimids, also called "ostrich-mimics." 
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This is one of the oldest known dinosaurs!
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About 100 million years ago, a flying reptile called Pterodaustro guinazui soared above the coast of what is now Arge...
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All animals of the sea depend on plankton, the tiny organisms that drift in the ocean.
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Dinoflagellates are tiny, one-celled organisms that live in oceans and freshwater ponds, rivers, and streams. Some di...
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Giant puffballs aren't your typical mushrooms.
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Although the rosy periwinkle stands only one foot tall, in the world of medicine it's a giant.
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You might think that all mosquitoes are alike, but did you know that there are actually about 2,500 different kinds?...
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The king cobra is the largest venomous snake in the world. Whether slithering on land, climbing trees, or swimming, i...
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Think of giant kelp as the Godzilla of the seaweeds.
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The St. Vincent parrot makes its home on the tropical island of St. Vincent in the Caribbean. These parrots are cover...
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Ornithologists, or scientists who study birds, want to prevent the forests of the Pacific Northwest from being choppe...
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What do we have in common with sharks, bluebirds, lizards, and toads? We are all vertebrates, or animals with backbon...
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Genetics is the study of how traits are passed from one generation to another. Traits such as eye color and nose shap...
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Have you ever wondered why you look like your parents, grandparents, or siblings? It's because of your genes -- the i...
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An invasive species is a living thing that moves into a new region. Species often become "invasive" as a re...
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Have you ever caught a firefly on a warm summer night? Chances are it was a common eastern firefly (Photinus pyralis)...
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Throughout the world's oceans, tiny particles swirl, drift, and fall like snowflakes from the ocean's upper levels.
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Over 100 years ago, an archaeologist named Marshall Saville began exploring ancient ruins in Mexico.
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Mexico is the home of ancient cultures like the Maya and Aztecs. Today, Mexican culture is a blend of old and new.
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To try to piece together how organisms are related, scientists use cladistics.
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Most people know red and black spotted ladybird beetles as friendly insects that are fun to pick up and watch fly awa...
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If you looked at the contents of a vacuum cleaner bag with a microscope, you'd probably find millions of tiny creatur...
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A rotting log is a mighty tasty meal -- if you're a termite. Termites not only eat wood, some kinds live in it, too....
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The Asian elephant is one of the largest land mammals in the world. Some people believe that elephants feel joy and s...
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This beautiful tortoise lives in the deserts of Madagascar, an island off the coast of Africa. This reptile gets its...
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The leatherback is the world's largest turtle. Unlike the bony exterior of other sea turtles, the exterior of the lea...
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It only seems like the world's entire ant population attends your picnics.
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Many people have seen the beautiful spiral triton trumpet shell. Unfortunately, most people can see these brown and w...
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There are more than 250 kinds of vipers, a family of poisonous snakes. The largest of all is the gabon viper.
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Most mammals that live on land use their legs to get around. But the white-handed gibbon relies mostly on its arms. U...
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Vietnam is a country of amazing biodiversity, including many rare and unusual species. One fascinating example is the...
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Cassava is one tough plant because it can grow in poor and unfertile soil in most tropical environments. Cassava is a...
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This famous long-necked, long-tailed wonder belongs to a group called "sauropods." 
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A dinosaur book led to this paleontologist's lifelong fascination with fossils.
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Saying "deoxyribonucleic acid" is a real mouthful. Luckily, you can call it DNA for short.
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Thousands of plants and animal species may be in danger of becoming extinct and disappearing forever.
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In the wild, ruffed lemurs live in only one place -- the eastern rain forests of Madagascar.
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As a conservation geneticist, Yael tries to help endangered species by studying their DNA.
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At age 10, George Barrowclough began bird watching with his dad. He pursued his interest in birds by becoming an orni...
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Have you ever seen pond scum -- that thick, smelly layer of slime floating on the surface of the water? That's probab...
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Based on fossils of ancient dragonflies, we know these winged insects have been soaring around for at least 300 milli...
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Not all spiders spin webs to catch their meals. When night falls in Australia, the white-tailed spider hunts its prey...
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Are these rare and colorful creatures flowering plants or animals?
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The Tibetan antelope, also known as "chiru," is one of the most beautiful mammals in the world.
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The Komodo dragon lumbers through the forest on its thick, stocky legs. It sways its head back and forth, flicking it...
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The mountain gorilla lives high up in the forests of east central Africa.
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New Caledonia, a tiny island east of Australia, is the only place where an unusual bird called the kagu is found. Abo...
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Compared to the continent of Africa, Madagascar may seem small. But this island, the fourth largest in the world, is...