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How to fill ground squirrel holes

How to fill ground squirrel holes


Ground squirrels can be charming creatures when observed from afar, but when they decide to dig tunnels in your yard, garden, or property, they quickly become a nuisance. These burrowing rodents not only disrupt your landscape but can also cause structural damage. In this comprehensive guide, we will show you how to fill ground squirrel holes effectively, providing you with the knowledge and techniques to reclaim your outdoor space.

1. Understanding Ground Squirrel Behavior

Before addressing the holes they create, it’s essential to understand ground squirrel behavior:

  • Habitat: Ground squirrels typically prefer open areas with well-drained soil, making lawns and gardens ideal habitats.
  • Burrow Construction: They dig complex burrows with multiple entrances and chambers for nesting and food storage.
  • Holes and Mounds: Ground squirrel holes are typically 2-4 inches in diameter and often surrounded by small dirt mounds.

2. Safety Precautions

When dealing with ground squirrel holes, safety should be a priority. Follow these precautions:

  • Protective Gear: Wear gloves, a mask, and eye protection when working near squirrel holes to minimize exposure to potential diseases.
  • Children and Pets: Keep children and pets away from the work area to prevent accidents.

3. Gathering Your Tools and Materials

To fill ground squirrel holes effectively, you’ll need the following tools and materials:

  • Shovel: For digging and removing excess soil.
  • Fill Material: Choose an appropriate fill material such as soil, gravel, or a combination of both.
  • Water Hose: To moisten the fill material for compacting.
  • Tamping Tool: For compacting the fill material.
  • Rodent Deterrents: Consider using deterrents like motion-activated sprinklers or ultrasonic devices to discourage squirrels from returning.

4. Identifying Active Burrows

Before filling the holes, it’s crucial to determine which burrows are active. You can do this by placing sticks or flagging near the holes and checking which ones get disturbed or covered with fresh soil, indicating recent activity.

5. Filling the Holes

Here’s how to fill ground squirrel holes effectively:

  • Dig Deeper: Using a shovel, dig a few inches below the hole’s entrance to ensure that you reach the entire tunnel system.
  • Add Fill Material: Fill the hole with your chosen fill material, leaving no gaps.
  • Moisten and Compact: Moisten the fill material with a water hose and compact it using a tamping tool. This ensures that the ground squirrel tunnels collapse completely.
  • Repeat as Necessary: Repeat the process for all active holes and any new ones that appear.

6. Prevention Strategies

Preventing ground squirrels from returning is just as important as filling their holes. Consider these prevention strategies:

  • Natural Predators: Attract natural predators like owls, hawks, or snakes to your property to deter squirrels.
  • Fencing: Install a wire mesh fence buried at least 1-2 feet below the surface to prevent squirrels from digging.
  • Repellents: Use squirrel repellents or plant deterrents like daffodils or marigolds, which squirrels dislike.

Useful Resource Links:

  1. The Humane Society: Ground Squirrel Control The Humane Society offers information on humane methods for controlling ground squirrels and preventing damage to your property.
  2. University of California Agriculture and Natural Resources: Ground Squirrel Management This resource provides comprehensive guidance on managing ground squirrels, including methods for filling holes and preventing infestations.
  3. Integrated Pest Management (IPM) for Ground Squirrels The University of California’s IPM program offers detailed information on the biology and management of ground squirrels, including control strategies.
  4. The Old Farmer’s Almanac: How to Get Rid of Ground Squirrels The Old Farmer’s Almanac provides tips and advice on dealing with ground squirrel problems in your yard and garden.
  5. National Wildlife Control: Ground Squirrel Removal If you require professional assistance, National Wildlife Control offers ground squirrel removal services and information on managing infestations.

These resource links should provide you with additional information, tips, and strategies for effectively dealing with ground squirrel holes and preventing further issues on your property.

Frequently Asked Questions (FAQs)

Q: Can ground squirrels cause damage to my home’s foundation?

A: Yes, ground squirrels can undermine foundations and cause structural damage if their burrows are left unchecked.

Q: What diseases can be transmitted by ground squirrels?

A: Ground squirrels can carry diseases like plague and hantavirus, making it important to take precautions when dealing with them.

Q: Are there humane ways to deter ground squirrels?

A: Yes, using deterrents like motion-activated sprinklers or ultrasonic devices can be effective in discouraging squirrels without harm.

Q: How can I make my property less attractive to ground squirrels?

A: Reduce food sources by cleaning up fallen fruits, seeds, and pet food, and consider planting squirrel-resistant plants.

Q: Can I use poison to control ground squirrels?

A: The use of poison is discouraged, as it can harm other wildlife and pets. It’s better to focus on prevention and humane deterrents.

Q: Are there professional services for ground squirrel removal?

A: Yes, you can hire pest control professionals who specialize in ground squirrel removal and prevention.


By following the steps outlined in this guide, you can effectively fill ground squirrel holes and take proactive measures to prevent them from returning. Remember to prioritize safety when dealing with these rodents and choose humane methods for deterrence. Reclaim your outdoor spaces and protect your property from the disruptions caused by ground squirrels.

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