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Why do animals hibernate?
Animals hibernate because it gets very hard to find food in winter, so they slow their bodies down to save energy.
When winter comes, the air turns cold, plants wither, and insects disappear. Some animals cannot find food during this time. So in summer and autumn they eat a lot and store fat, then fall into a deep sleep.
During hibernation, an animal's heart beats very slowly, its breathing slows down, and its body temperature drops. This way, its body uses very little energy. The fat it stored gives it enough energy to last until spring.
Bears, hedgehogs, bats, and some squirrels are animals that hibernate. When spring comes and the air warms up and food becomes plentiful again, the animal wakes up and starts moving again.
Quick facts
- During hibernation, an animal's heartbeat slows down a lot.
- Before hibernating, animals eat a lot of food and build up fat.
- During hibernation, body temperature drops and the animal uses very little energy.
- Bears, hedgehogs, bats, and some squirrels hibernate.
- When the air warms up and food becomes plentiful, animals wake up from hibernation.
Check what you remember
3 questions — all of them come from the quick facts above. There is no score and no wrong turn.
1. What do animals do before they hibernate?
2. What happens to an animal's heartbeat during hibernation?
3. Which of these animals hibernates?
Where this comes from
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1 tr.wikipedia.org 85/100Hibernation - Wikipedia
Explains simply what hibernation is and which animals sleep through winter.
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2 tr.wikipedia.org 70/100Bear - Wikipedia
Gives information about the bear, the most well-known animal that hibernates.
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3 nationalgeographic.com.tr 60/100National Geographic Turkey
You can find interesting facts about animals and nature suited for kids.
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