Hindustan Times
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Why do animals hibernate? Surprising facts you didn’t know
Some animals do something special in winter called hibernation.
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Hibernation is not the same as normal sleep.
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Hibernation causes the heart to beat slowly and the body to cool down.
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Even in hibernation, animals might wake up to drink or move about.
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Winter makes it hard to find food and water, so some animals hibernate.
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They eat a lot in autumn and find a quiet, safe place to rest.
How do animals get ready?
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Not all animals hibernate during winter.
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Some grow warm coats or migrate to warmer places.
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What makes Chow Chows so special?
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