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Which animals hibernate?
Hibernation is an adaptation of some animals to the external environment in winter, which makes their life activities extremely low.
How do animals hibernate: 1, squirrels will prepare food in winter, seal their holes with hay, hold their long furry tails to keep warm, start hibernating and wait until the weather is warm.
2. When the ambient temperature is lower than 15℃, the snake will go into hibernation. At this temperature, snakes begin to hibernate in autumn.
Frogs are amphibians and cold-blooded animals. When the temperature drops to a certain extent, the frog gets into the soil, can't eat anything, and is in a sleep state to avoid the cold.
4. Toads spend the winter in underwater sediments or wet soil on land, and stop eating and store glycogen in the body to maintain the lowest metabolism. Hibernation will not end until the temperature rises to 10-20℃ the next day.
5. A few native lizards in temperate zone can hibernate. They can sprinkle more sand and hay leaves and put them in a place with stable indoor temperature and quiet environment.
6. When the temperature is below 20 degrees, earthworms will stop growing and start hibernating.
7. Snails living in cold regions hibernate, and species living in tropical regions hibernate in dry seasons. Mucus secreted during dormancy forms a calcareous film to close the shell mouth and hide the whole body in the shell.
8. Most crocodiles don't hibernate. A few crocodiles live in subtropics, such as the Chinese alligator in the Yangtze River valley of China. The average temperature in Leng Yue in the Yangtze River basin is about 4 degrees. Chinese alligator was in hibernation from 10 to April of the following year.
9. Hedgehogs are heterogeneous animals. Hedgehogs hibernate in winter because they can't regulate their body temperature stably and keep it at the same level.
10, the tortoise is a temperature-changing animal, and its life is greatly affected by the environmental temperature. 165438+ 10 to March of the following year, when the temperature drops below 10 degrees Celsius, the tortoise will stop eating, lie motionless in the mud at the bottom of the pool or in the loose soil covered with straw, and hibernate into hibernation.
1 1. Bats mostly hibernate in caves. During hibernation, their metabolic ability is reduced, their breathing and heartbeat are only a few times per minute, their blood flow is slowed down, and their body temperature is reduced to be consistent with the ambient temperature. However, their hibernation is not deep, and they sometimes excrete and eat during hibernation, and they can return to normal immediately after waking up.
Dormouse is the longest hibernating animal. During hibernation, it can't eat or move, its breathing almost stops, and its body becomes stiff. There is no sound outside to wake them up. The average life expectancy is usually about 5 years, and 3/4 of them are sleeping.
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