Scientists have reconstructed the image of the most intelligent dinosaurs, reptiles that eat dinosaur meat, . and other extinct species based on fossil relics.

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Hagryphus dinosaurs follow the sketch of Michael Skrepnick.

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The ancient sea reptile, called plesiosaur, has four fins and long necks. This species is found in Antarctica.

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Aerosteon dinosaurs are live carnivores. Scientists believe that this dinosaur appeared 85 million years ago. Its respiratory system is very similar to today's birds.

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Giganotosaurus is over 14m long, weighs about 8 tons. This species lived 95 million years ago.

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Troodon is a brain-to-body dinosaur of the largest of all dinosaurs and a nocturnal species. Troodon is also known as one of the smartest dinosaurs. Troodon lived about 70 million years ago.

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Darwinopterus reptiles are considered 'an aerial killer', often hunting small dinosaurs and small mammals. This species lived about 160 million years ago.

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This is a bear that lives in European caves. The bear is a large mammal, extinct 27,800 years ago, coinciding with a time of climate change, causing temperatures to drop significantly, leading to the disappearance of the vegetation of the cave bears.

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Giant gibbons are 3 m tall and weigh more than 500 kg. A recent study showed that the skull of this species is about 200,000 years old, and this is the oldest specimen of the ancestral origins of known humans.

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The Woolly Rhino rhino is released in the northern plains of Thuringia, Germany (today). Previously, the climate in this land was icy, dry and wavering.

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Indohyus - hooves appear in India 48 million years ago. Indohyus is a close relative of the whale. The structure of bones and teeth shows that this species lives a lot under water.

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Glypto Armadillo weighs about 90 kg, often wandering around the Andes, in northern Chile 18 million years ago.

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Smilodon cats have an average weight of about 250 kg, have sharp teeth, a bit less bite than modern lions.This cat has been mistakenly called tiger.