Hibernation, Natures amazing winter sleep- ages 3+
Hibernation is a way that some animals deal with the harshness of winter. They curl up in a safe place and stay there until winter ends.
Animals hibernate during the winter, but are not sleeping the whole time. When they hibernate, an animal’s heart rate, breathing and metabolism slow down. Some animal’s hearts only beat a few times a minute and they only breathe once every few minutes! In areas that are very cold during the
winter, food is hard to find, and hibernating allows the animals to survive
without any food or very little food.
Hibernation is triggered by decreasing day length and hormonal changes in an animal that dictate the need to conserve energy. Before hibernating, animals generally store fat to help them survive the winter.
Animals that hibernate spend the fall eating as much as they possibly can
so that they will have plenty of body fat before they enter their dens to
hibernate. The body fat will help keep them warm, but it will also be used
by their bodies to give them energy. They get their dens ready for
themselves by filling them with leaves and grass to make them
comfortable. Some animals will also store food in their dens to munch on
if they wake up.
When frogs hibernate, some of them will hibernate under water in the mud, like the painted turtle. Other frogs might dig a hole or find cracks in logs or rocky areas to hibernate in. The heart beat of the frog will slow down and its body temperature will get almost as low as the temperature outside. Half frozen frogs are actually able to thaw out and live!
I hope you enjoy the Hibernation booklet, Please join us for more adventures each day!
Go to: https://www.endangeredspeciesinternational.org/insects8.html -for more information.
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