PreK—K, 1—2, 3—5, 6—8 From Hibernation occurs when an animal becomes inactive, or "sleeps," during the short, cold days of winter. Hibernating and dormant mammals include bears, squirrels, groundhogs, raccoons, skunks, opossums, dormice, and bats. Frogs, toads, turtles, lizards, snakes, snail, fish, shrimp, and even some insects hibernate or are dormant during the winter.
A member of the squirrel family, groundhogs are typically between 7 and 14 pounds. They create deep dens to keep them protected as they sleep away the winter. When They Hibernate Groundhogs are typically active until the first real frost of winter, often October or November. Then they crawl down into their burrows and begin to hibernate.
This hibernation lasts until the weather starts to warm up, usually around February or March. Although they can hibernate for up to five months, some hibernate for only two to three months, depending on temperatures in the area.
As the days shorten, temperatures drop and plants begin to die or go dormant for the winter, a groundhog's body releases a hormone that helps guide the animal into hibernation until the weather warms and the days begin to grow longer.
What Happens to Their Bodies Groundhogs undergo a severe change as they relax into a hibernation state. A groundhog's heart rate slows from between 80 and beats per minute to around four or five beats per minute.
They don't wake up to eat; instead, their bodies, which have reduced nutrition needs while hibernating, feed on the fat layer the groundhogs built up in the summer and fall. A groundhog's body stays barely above the ambient temperature in the burrow, falling from 98 degrees Fahrenheit to as low as 38 degrees.
Getting Ready Groundhogs spend a good bit of the warmer months getting ready for hibernation. Females have babies early in the spring, usually in late March or early April. This gives the babies time to mature through the summer so they can dig their own dens for the winter.
A groundhog eats nearly a pound of food per day in the fall to help build up his fat stores, and he digs a deep den that he lines with grass or twigs to make a comfy nest for his long nap. Helping Humans Groundhog hibernation is the focus of several types of studies that are trying to find ways to improve people's health.
For example, the groundhog's brain doesn't need the same amount of oxygen when hibernating as it does when he's awake, and scientists are trying to find a way to apply a "hibernating" principle to a human brain to help alleviate stroke damage.
|The What Is Sleep And Hibernation Honey At Night Before Bed Kiwi Sleep Condition||Obligate hibernation[ edit ] Obligate hibernators are animals that spontaneously, and annually, enter hibernation regardless of ambient temperature and access to food. Obligate hibernators include many species of ground squirrelsother rodentsmouse lemursEuropean hedgehogs and other insectivoresmonotremesmarsupialsand even butterflies such as the small tortoiseshell.|
|Fun Hibernation Facts | Scholastic||Physical activities like walking and breathing burn energy.|
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Also, scientists are studying the hormone that helps groundhogs relax into hibernation for application with transplant and heart attack patients.Hibernation is a state of inactivity and metabolic depression in animals, characterized by lower body temperature, slower breathing, and lower metabolic rate.
Hibernating animals conserve food. Availability of human food shortens and disrupts bears' hibernation Date: December 5, Source: Wiley Summary: With winter approaching, bears all over the world are getting ready to hibernate.
Human hibernation: Secrets behind the big sleep. Sleeping your way to the stars also meant carrying far less food, water and oxygen, making the ultimate long-haul flight more practical.
Oct 08, · Animals mostly do this in the winter times when the temperature outside is very cold and food is hard to find. Different animals follow different patterns of hibernation.
Hibernation is an extended period of energy-saving torpor. The body slows down and breathing, temperature and metabolic and heart rate all decrease. It makes intuitive sense to do this in winter. When Bears Prepare For Winter. NPS Photo / Kevyn Jalone. As the summer season ends, the air becomes crisp, leaves change and fall from trees, and bears become more active.
They’re on the hunt for food. During the fall months, bears eat and drink nearly nonstop. They need to put on weight to prepare for winter and hibernation.