Do Mice Eat Insects? In the Wild and As Pets

by | Dec 29, 2023

Last updated:
Feb 6, 2024

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Many people assume that all rodents are herbivores who live on grains and grasses. And while thatโ€™s part of the story, itโ€™s not the whole story. 

Many rodents, including mice, are actually opportunistic omnivores. That means they eat whatโ€™s available to them, whether thatโ€™s plants and grains or even insects. 

In this article, weโ€™ll talk about what kind of insects mice eat in the wild, as well as what kind of insects you can feed pet mice. 

Do Mice Eat Insects in the Wild?

Yes, wild mice eat insects when there arenโ€™t other protein sources available. As opportunistic eaters, mice arenโ€™t picky, but they do have their preferences. 

Getting their protein from nuts and seeds is more beneficial for mice than protein from insects, likely because nuts and seeds are also full of fats and carbohydrates. 

For that reason, it makes sense that mice prefer to eat a diet rich in seeds and nuts than one thatโ€™s rich in insects. However, mice will eat small insects if their other options are limited. 

Usually, mice eat insects and their larvae that are small and easy to find and catch. In some circumstances, though, mice will catch and eat larger spiders and insects when easier prey isnโ€™t available. 

Learn more: Whatโ€™s the Best Food For Pet Mice? Top Products and Tips

Can You Feed Your Pet Mice Insects? 

Yes, you can feed pet mice insects as part of a balanced diet. Many pet mice enjoy the occasional dried insect as a treat. 

However, insects shouldnโ€™t make up a major part of your pet miceโ€™s diet. They should get the majority of their protein from seeds and nuts, which can be found in a quality seed mix. 

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What insects can pet mice eat? 

If you want to try giving your mice some insects, here are our recommendations: 

Live insects vs. dried insects for pet mice

In the wild, mice often catch and eat small insects. So itโ€™s understandable that you might wonder if feeding your mice live insects rather than dried ones would be better for their health and enrichment. 

There are several reasons weโ€”and most other experienced rodent ownersโ€”recommend feeding dried insects: 

  • Diseases and parasites: Live insects can carry diseases and parasites that they can pass on to your mice. 
  • Injuries: Insects might seem harmless enough, but they often bite and cause injuries to mice that are trying to hunt them. 
  • Stress: Feeding live insects to pet mice can trigger a hunting instinct that theyโ€™re not used to. This can induce stress that can eventually impact the miceโ€™s health. 
  • Convenience: Dried insects arenโ€™t only more convenient for mice; theyโ€™re also more convenient for their owners. 

Do Mice Need Insects in Their Diet?

Pet mice do not need insects in their diet, and they prefer to gain protein from seeds and nuts. However, many mice enjoy variety in their diet, and insects add another source of dietary enrichment. 

If you choose not to give your mice insects, make sure to give them plenty of protein-rich nuts and seeds.

Learn more: What to Feed Pet Mice: Nutritional Guidelines

FAQs

Still have questions about mice and their insect-eating habits? Here are our answers to some of the most frequently asked questions on the topic. 

Are mice herbivores or omnivores?

Mice are omnivores, which means they can eat both plant-based and animal-based foods. Their diet can include seeds, fruits, grains, and even insects.

Do wild mice eat insects?

Yes, wild mice do eat insects. In the wild, they may consume insects as part of their diet, especially if other protein sources are lacking. In captivity or in homes, mice might also go after insects if they come across them.

What types of insects do mice eat?

Mice may eat a variety of insects, including beetles, ants, caterpillars, and other small insects. They are opportunistic feeders and will consume whatever is available in their environment.

Do pet mice eat insects?

Yes, pet mice can be offered small insects as part of their diet. Insects can provide additional protein and nutrients. However, it’s essential to ensure that the insects are safe and free from pesticides. The best way to be sure of this is to purchase freeze-dried insects intended for pets.

How do mice catch insects?

Mice are agile and quick, and they use their sharp sense of smell and keen eyesight to locate and catch insects. They may hunt insects or come across them while foraging for food.

Can mice live on an insect-only diet?

While mice can eat insects, they require a balanced diet that includes a variety of foods to meet their nutritional needs. A diet solely based on insects lacks essential nutrients, so it’s important to provide a mix of grains, seeds, fruits, and vegetables.

Are there any risks associated with mice eating insects?

In general, mice eating insects is a natural behavior. However, it’s crucial to ensure that the insects are not contaminated with harmful substances like pesticides. Additionally, some insects may pose a threat to mice if they have defensive mechanisms, and some insects can carry diseases and parasites.

Feeding Insects to Pet Mice

In the end, whether or not you choose to feed your mice insects is up to you. Insects add a source of vital nutrients to a mouseโ€™s diet, but mice can also get these nutrients from other sources. Many mice love the occasional dried insect, but others will prefer a tasty seed or piece of vegetable. Itโ€™s up to you to experiment and discover what your pet mice prefer.

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