Do Mice Hibernate?

For many people, winter brings thoughts of snow, hot chocolate, and the cosy hibernation of animals like bears and groundhogs. But do mice hibernate? It is a surprisingly complex question with no one answer.


Mice are small, warm-blooded rodents that can be found almost everywhere in the world. They are adaptable, resilient creatures that can live in a variety of conditions and climates. They have been known to survive in temperatures as cold as -40°F, but when the temperatures drop even further, the question of whether or not mice hibernate comes into play.


In this article, we’ll take a look at the question of whether or not mice hibernate, discuss what hibernation is, and explore how mice adapt to survive in the winter.

Do Mice Hibernate?
Do Mice Hibernate? – close view of a tiny house mouse (mus musculus)

What is Hibernation?


Hibernation is an extended period of inactivity during which an animal’s body temperature, heart rate, and metabolism slow down significantly. This state of inactivity is known as torpor, and during this time the animal does not move, eat, or drink. Hibernation is a way for animals to survive during the winter when food is scarce and temperatures are cold.


Do Mice Hibernate?


The answer to the question of whether or not mice hibernate is complicated. While some species of mice have been known to enter a state of torpor, they do not truly hibernate as bears and other animals do.


Rather, mice enter a state of torpor to conserve energy and stay warm. This state of torpor is not as extreme as true hibernation, as their body temperature, heart rate, and metabolism remain slightly elevated.


How Do Mice Adapt to Survive in the Winter?


Mice are small and have very high metabolisms, so they must eat frequently to survive. To stay warm in the winter, mice use several strategies to adapt.


  1. Increase Food Intake: Mice will increase their food intake in the winter to increase their fat reserves and generate more body heat. They also seek out warmer areas, such as an attic, to find food and shelter.


  1. Utilise Cover: Mice use cover such as leaves and grass to stay warm in the winter. They also build nests in any available nooks or crannies to keep warm and sheltered from the elements.


  1. Shed Fur: Mice will shed their fur in the winter to reduce heat loss.


  1. Torpor: As mentioned above, mice will enter a state of torpor to conserve energy and stay warm.


  1. Huddle Together: Mice will huddle together to share body heat in the winter.


  1. Migration: Some species of mice migrate to warmer climates in the winter to avoid the cold.


  1. Burrow: Mice will dig or build burrows to provide shelter and insulation in the winter.


  1. Food Storage: Some species of mice will store food in their burrows to eat in the winter.


  1. Avoid Predators: Mice will stay hidden to avoid predators such as birds of prey in the winter.



Mice are resilient creatures that can survive in a variety of climates and conditions. While some species of mice have been known to enter a state of torpor to conserve energy and stay warm, they do not truly hibernate as bears and other animals do. To survive in the winter, mice use a variety of strategies such as increasing their food intake, utilising cover, shedding their fur, entering states of torpor, huddling together, migrating, digging burrows, storing food, and avoiding predators.

Pest Control for Mice in the Winter


If you’re dealing with a mouse infestation in the winter, it’s important to take steps to get rid of the mice and prevent them from coming back. Some of the most effective methods of pest control for mice include sealing up any entry points into your home, eliminating any food sources, trapping the mice, and using repellents. For more information on pest control for mice in the winter, contact your local pest control professional.


Karin HarndenKarin Harnden
17:14 05 May 24
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Felicity GrayFelicity Gray
21:53 02 Apr 24
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Med KashaniMed Kashani
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Nesma TalaatNesma Talaat
20:26 20 Feb 24
We were lucky to have found Bon Accord, they responded very fast to our request and Gabriel was very helpful and informative. He made several visits and did his absolute best until the mice problem we had was gone. Highly recommended.

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