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67 Results for "extinct"

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Kids took the OLogy Challenge and shared their work with us!
Find out how humans are threatening species, and what we can do to help protect them.
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An animal or plant becomes extinct when the last of its kind dies. 

Take a look at some unusual living and extinct mammals.
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This butterfly once lived in the mangrove forests along the tropical coast of Taiwan.
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Scientists have identified over 1.75 million species on Earth -- over one million of them are insects and spiders.
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Ross MacPhee has always loved dirt. It means the opportunity to find lost things--from bones and teeth to pirate treasur...

Invent a story about an endangered species. Then draw and write about it!

Play this game to find out how a law protects animals and plants.

Why are many animal and plant species dying out forever?
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Although extinct today, this gopher-sized mammal thrived during the Mesozoic Era for about two million years.
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Throughout history, many cultures have told of mythic creatures of enormous size. The cyclopes are some of the most famo...
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Earth was a very different place at the beginning of the Triassic. All of Earth's continents were combined into one supe...
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This extinct bird weighed over 330 pounds and had heavy legs and tiny wings. 
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According to legend, the roc was a giant bird large and strong enough to carry an elephant in its claws. As incredible a...
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Thousands of plants and animal species may be in danger of becoming extinct and disappearing forever.
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Think today’s great white shark is scary? Megalodon was three times as long!
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Compared to the continent of Africa, Madagascar may seem small. But this island, the fourth largest in the world, is big...
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Scientists all over the world send precious cargo to Julie Feinstein: frozen samples of animal tissues.
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You could travel the globe, but there's only one place you'd find a ruffed lemur: Madagascar. It is an endemic species. ...
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As a kid, John Flynn had a rock collection and made lots of trips with his family and school to the American Museum of N...
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The first vertebrates to fly took to the skies about 215 million years ago. These creatures were neither birds nor bats....
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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 yel...
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This fossilized skull was recently discovered at Ukhaa Tolgod in the Gobi Desert. It is probably from a new kind of dino...
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Craters are formed when objects from space crash onto a planet's surface. The impact blasts a hole or impression where t...
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Clones are plants and animals that have more than just their looks in common; they also have the exact same DNA sequence...
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Many famous dinosaurs, such as T. rex and Triceratops, first appeared in the Cretaceous Period.
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Flashback to 80 million years ago in the Gobi Desert. Deltatheridium scurried among dinosaurs.
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An invasive species is a living thing that moves into a new region. Species often become "invasive" as a result of human...
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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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The Sumatran tiger is found in only one place on the Earth -- on the island of Sumatra in Indonesia. Fewer than 500 of t...
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Some volcanoes erupt explosively, like opening a shaken soda bottle, because their magma is full of gases.
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As a conservation geneticist, Yael tries to help endangered species by studying their DNA.
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Its brow horns and snout horn inspired this dinosaur's name, which means "three-horned face."
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When "ologists" observe plants, animals, fossils, or rocks, they know they won't remember every detail. So they keep not...
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Growing up, Joel Cracraft loved reading travel and adventure books. In high school, he became interested in ornithology,...
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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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More than four thousand islands—including one big island—make up this nation in the Caribbean Sea.
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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 as...
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The name Jurassic conjures images of tremendous dinosaurs roaming the Earth.
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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 a ...
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This rare lizard lived in the Gobi Desert about 80 million years ago. 
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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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The Asian elephant is one of the largest land mammals in the world. Some people believe that elephants feel joy and sadn...
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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. T...
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These creatures have lived in Earth's oceans for over 545 million years!
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Confuciusornis is the earliest-known toothless, beaked bird.
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For centuries, orange roughy went mostly unnoticed by humans. These fish thrived in the dark, the cold, and the intense ...
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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 th...
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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) in ...
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California condors are the largest birds in North America. Like all vultures, condors are carrion-eaters. This means tha...
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His love of natural sciences and extreme camping led this scientist to paleontology.
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Long before dinosaurs, these strange roach-like creatures scurried along the ancient sea floor.
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This plant-eating dinosaur might have weighed as much as 225 kilograms (500 pounds)!
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About 80 million years ago in the Gobi Desert, sixteen dinosaurs hatched in this nest. One of the hatchlings died before...
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The whooping crane is known as the tallest bird in North America. This long legged creature has been struggling to survi...
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At age 10, George Barrowclough began bird watching with his dad. He pursued his interest in birds by becoming an ornitho...
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This beautiful tortoise lives in the deserts of Madagascar, an island off the coast of Africa. This reptile gets its nam...
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This plant-eating dinosaur was an ornithopod, as are duck-bill dinosaurs. 
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This famous long-necked, long-tailed wonder belongs to a group called "sauropods." 
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Fossils are the key to understanding life in the past.
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The rare Taiwan beech tree grows only in a few forests of northern Taiwan. These are also the only places you'll find a ...
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A tiny, two-feet tall horse-like animal scampers through a forest, nibbling on leaves.
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Most volcanoes form along plate boundaries. But some of the world's largest and most active volcanoes are found far from...
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Did you ever see a "shooting star"? What you really saw was a meteor burning up in the Earth's atmosphere.
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Chris Raxworthy has been fascinated by all things scaly and slimy since he was a kid. Chris is a herpetologist at the Am...
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When he was 8 years old, Theodore Roosevelt found a seal skull. It would be the first specimen in his very own natural h...