Chipmunk sticking their head out of a hole.
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How to Identify and Fill Chipmunk Holes

Chipmunks are adorable little creatures often scurrying about in parks, gardens, and forests. The Eastern chipmunk is the most common species found throughout North America. These tiny rodents are characterized by their bushy tail and the distinctive stripes that run down their back. 

They are known for burrowing and creating holes in the ground. They dig up the soil and create complex networks of tunnels underground that are often ten feet long and three feet deep. We will discuss how to identify and fill chipmunk holes in your garden or yard to prevent them from causing further damage.

Key Pest Points:

•  Chipmunks create underground burrows and tunnels to store food, shelter themselves, raise their young, and hide from predators.

•  Chipmunk holes are typically 2-3 inches in diameter and can be easily identified by flat dirt with the entry point in the center.

•  To fill chipmunk holes, you must first identify where they are located, then use gravel and sand to fill them in.

Why Do Chipmunks Create Burrows?

Chipmunks create burrows for shelter and safety, store food, and raise their young. These creatures are active during the daytime but need somewhere safe to hide away when predators or other threats come their way. They also store food in these holes and use them as a safe spot where they can eat undisturbed.

How To Identify Chipmunk Holes

Chipmunks create holes that are about 2-3” in diameter. Depending on the burrow’s age, you may see flat holes in the ground. If it is a more recent burrow, you will see a mound of dirt next to where the chipmunk has dug down. The entrance to these burrows is often located near logs, rocks, or other vegetation that provides cover and protection from predators.

Chipmunk dens can be challenging to locate since they are often hidden beneath leaves, grass, and other debris. The best way to find them is to walk around your yard or garden looking for fresh dirt on the surface. You should also pay attention to any areas that have noticeably been dug up.

Entrance holes to an Eastern Chipmunk (Tamias striatus) burrow in a lawn with frost on it.

Knowing the difference between squirrels and chipmunks is essential – not only for identifying who’s eating your garden flowers but also because their habits can be quite different. Squirrels tend to prefer nesting in trees while burrowing underground is more of a chipmunk specialty. But watch out; ground squirrels have also been known to dig homes on the same turf. So make sure you observe closely if you want an accurate identification.

How Many Holes Can a Single Chipmunk Create?

A single chipmunk can create many burrows in a short period of time. Finding multiple holes in one area is expected since they will make different entrances. In some cases, chipmunks will even connect their burrows to form a network of tunnels that can span up to 10 feet in length and 3 feet in depth.

What Materials Do You Need to Close a Chipmunk Hole?

Once you have identified a chipmunk hole, it is time to fill it in. Using suitable materials is essential to ensure the hole is sealed correctly. Here are some of the materials you will need:

Gravel

Gravel is one of the best materials for filling a chipmunk hole. It has small, sharp edges that make it difficult for the chipmunks to dig through. Gravel can also help level the area and provide good drainage if you are worried about water settling in the hole.

Soil

Soil is another great option for filling in chipmunk tunnels. It is lightweight and easy to move around, making it ideal for patching small spaces. You can also add topsoil to the area if you want to grow plants or grass over the hole.

Clay or Sand

Clay or sand may be your best bet if you are looking for a long-term solution. These materials create a strong and durable seal around the hole that can prevent chipmunks from getting back in. Just pack it in tightly to ensure there are no gaps where they can squeeze through.

These are just a few materials you can use to close chipmunk holes. You can easily plug holes in your garden with the right supplies and a little elbow grease. Make sure to do your research, so you know which method will work best for your situation.

Step-by-Step Guide to Filling a Chipmunk Hole

After you’ve collected all the necessary items, it’s time to set about repairing that hole. Follow these simple steps, and before you know it, your job will be complete:

1. Inspect for any signs of chipmunks burrowing or hibernating in the tunnels during the winter, and make sure that no animals are living in it before you begin working to fill it.

2. Clean up any debris around the hole to gain better access to the opening.

3. Begin filling the chipmunk hole with gravel, soil, or sand (whichever is more accessible).

4. Cover the area with additional soil, compost, or grass to conceal the hole and encourage new growth.

5. Monitor the area to ensure the chipmunk does not return and re-dig the hole. You can also employ humane exclusion methods, such as excluding animals with a fence or natural scent deterrents to keep them away from your property.

Taking the time to patch a chipmunk burrow is an investment in your outdoor space, helping you keep it safe and secure from these crafty creatures.

Tips for Keeping Chipmunks Out of Your Yard

Now that you’ve taken the necessary steps to fill in the chipmunk nest, it is time to start looking for ways to keep chipmunks away from your garden or yard. Here are some tips on how to do just that:

•  Trim plants and shrubs regularly so there are no hiding places for chipmunks.

•  Spread a mixture of cayenne pepper, garlic powder, and chili powder around the perimeter of your garden to deter chipmunks from entering.

• Utilize fences or barriers to keep chipmunks away from your property.

•  Set up traps to catch the chipmunk and release it elsewhere.

•  Keep your outdoor garbage cans securely closed with a lid to prevent chipmunks from getting into them.

•  Purchase bird feeders that discourage rodents so that chipmunks are not attracted to the area.

•  Avoid leaving pet food outside, and do not keep any landscape materials such as mulch or wood chips near the house.

When dealing with chipmunks, prevention is vital. Regularly check your property for any signs of new holes and take the steps above to fill them as soon as possible.

FAQ

Should you fill in chipmunk holes?

Yes, filling chipmunk holes is essential to prevent them from returning and re-digging the hole. This will also help protect your property from any potential damage it could cause.

How do you clog a chipmunk hole?

The best way to clog a chipmunk hole is to fill it with gravel or soil, followed by a clay or sand mixture. Once you have filled the area to ground level, add soil or compost and top it off with straw, grass clippings, or mulch.

Do chipmunks share the same holes?

Yes, chipmunks will typically share the same hole. If you see multiple holes in the same area, more than one chipmunk is likely living in your yard.

Do Chipmunks Live Underground?

Yes, chipmunks are burrowing animals and typically live in underground tunnels. These tunnels can stretch out for several feet, often with multiple entrances and exits. The burrows provide a safe place for the animals to sleep during the day and store food reserves.


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