![]() ![]() Some moths and butterflies survive the winter in a cocoon or chrysalis.This starts on just about the same day every year, no matter what the temperature. What are some ways that insects survive the winter? In the winter, all they eat is animals.Ħ. Shrews eat fruit, mushrooms, insects and small animals in the summer. Many animals change what they eat in the winter.White-tailed deer gather together into a deer yard sheltered by evergreen trees to wait out the coldest times.Shrews, mink, weasels, fox, owls and hawks hunt all winter. Deer and rabbits search for food under the snow. Beavers and squirrels store lots of food they can eat all winter.What are some ways mammals that don’t hibernate stay alive all winter? Other mammals that are active all winter are shrews, mink, voles, foxes, grey squirrels, and red squirrels.ĥ. The short-tailed weasel and the snowshoe hare adapt to their winter habitat by turning white to blend in with the snow. This kind of hibernation is called estivation.Ī lot of animals survive the winter by staying active the whole time. Sometimes animals hibernate to survive hot, dry weather instead of cold. Do animals just hibernate in cold climates? Females can give birth in their den during the winter.Ĥ. Animals that go into torpor are black bears, raccoons, skunks, some mice and birds. Only warm-blooded animals can use torpor to survive the winter. In torpor an animal can wake up in case of danger. Their body does cool off, but not as much as hibernators. Torpor can last for a few days or just a few hours on a very cold night. Some animals don’t really hibernate but go into a deep sleep called torpor. Its heartbeat slows from 80 beats per minute to just 4! A woodchuck is the biggest true hibernator. Some true hibernators are chipmunks, woodchucks, bats, turtles, frogs, toads, salamanders, and snakes. That’s why true hibernators find a safe den before they sleep. This can be dangerous if a predator attacks. ![]() It’s hard to wake an animal in true hibernation. There are different kinds of hibernation. Are all mammals that sleep a lot in winter hibernating? During a very mild winter, it might not have to hibernate at all.ģ. If an animal waits to hibernate until it gets cold, it can keep eating until then. Some begin when the days grow shorter in the fall. How do animals know when to start hibernation?Īnimals begin hibernating for two reasons. They have to put on a lot of extra weight in the fall, when the food is available, to have enough fat stored for winter.Ģ. In winter there is little or no food available. Why do animals hibernate? Animals use up their body’s fat much more slowly when they hibernate than if they were awake and moving around. Hibernation is when an animal goes into a deep sleep. One way to survive the winter is by hibernation. Mammals have adapted in many ways to survive the cold winter months. Ask your students questions about hibernation and discuss the answers. Afterward have students fill out the Hibernation Chart. Look at the Hibernation Poster together as a class. Ask questions and discuss hibernation with students. Materials: Copies of How do Animals Survive the Winter? poster and How do Animals Survive the Winter? chart Objectives: Help students learn to think about adaptations and how they help animals survive. ![]()
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