Groundhog / Woodchuck



Groundhogs, also known as woodchucks, are large rodents that are found throughout much of North America. They are known for their ability to dig extensive burrow systems and for their role as weather prognosticators on Groundhog Day. In this article, we will explore the biology of groundhogs, their habitat and behavior, indicators of their presence, and how to prevent and control groundhog problems.

Biology of Groundhogs

Groundhogs are large rodents that can grow up to 2 feet in length and weigh up to 14 pounds. They have short, powerful legs and sharp claws that are ideal for digging. Groundhogs have long, curved incisor teeth that they use to chew through tough vegetation and roots.

Groundhogs are herbivorous and feed on a variety of plants, including grasses, clovers, and garden vegetables. They are active during the day and hibernate during the winter months to conserve energy.

Habitat and Behavior of Groundhogs

Groundhogs are found in a variety of habitats, including fields, woodlands, and suburban areas. They are excellent burrowers and create extensive networks of tunnels and chambers underground. Groundhogs are territorial animals and will defend their burrow systems from other groundhogs.

Groundhogs are active during the day and are rarely seen above ground. They are good climbers and can scale trees and shrubs to access food. Groundhogs are also good swimmers and can cross streams and small bodies of water.

Indicators of Groundhog Presence

The most obvious indicator of groundhog presence is the presence of groundhog burrows or holes in your lawn or garden. Groundhogs create extensive networks of tunnels and chambers underground and may have multiple entrances and exits to their burrow system. You may also notice damage to your plants or garden vegetables, as groundhogs are herbivorous and feed on a variety of plants.

Preventing and Controlling Groundhog Problems

To prevent groundhog problems, it’s important to eliminate sources of food and shelter that may attract them to your property. This includes removing brush piles, tall grasses, and other areas where groundhogs can hide and nest. You can also try to reduce food sources by removing fallen fruits or vegetables and using plant barriers or fencing to protect your garden.

If you have a groundhog problem in your lawn or garden, there are a number of methods you can use to control them. Trapping is one effective method, and there are a variety of traps available that are specifically designed for groundhogs. You can also try to repel groundhogs using various home remedies, such as garlic or hot pepper spray, but the effectiveness of these methods is questionable.


Groundhogs are large and interesting rodents that can cause significant damage to lawns, gardens, and crops. By understanding the biology and behavior of groundhogs, and taking steps to prevent and control groundhog problems, we can ensure that these fascinating creatures do not become a nuisance in our homes and gardens. By using effective control methods and working to eliminate sources of food and shelter, we can reduce the impact of groundhogs and protect our property from their destructive behavior.


Woodchuck caught in a live trap in buffalo NY

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