Understanding Woodrats: Colorado’s Misunderstood Natives

Woodrats, often called “pack rats” or ‘trade rats” are fascinating creatures that unfairly bear the brunt of common misconceptions about rats. In Colorado, the smallest species, the Desert woodrat, measures about 12 inches and weighs 4 ½ ounces, while the largest, the bushy-tailed woodrat found on rocky mountain sides and old mining camps, can grow over 16 inches long and weigh up to 11 ounces. These meticulous creatures have a rat-like appearance, with long tails, large ears, and large, black eyes. Their color varies from gray to blackish-brown, and reddish tan, and most have white to grayish bellies.

‘Pack rats’ earn their nickname from their curious habit of collecting and hoarding various objects found in their environment and bringing them back to fortify their dens. Intriguingly, if they stumble upon a more desirable item, they will drop their current load in favor of the new find. Their attraction to shiny objects has spawned numerous stories of these creatures trading mundane items like stones for sparkling jewelry or coins, hence the nickname ‘trade rat.’ 

Habitat of Colorado Woodrats

Woodrats are prevalent throughout Colorado, with six species inhabiting the state. The Eastern Woodrat resides in the Riparian Woodlands on the eastern plains, while the Gray Woodrat can be found in southeastern Colorado. The White-throated and Desert Woodrats are mostly found in the southwestern desert regions of Colorado. The Bushy-tailed Woodrat is native to the Grand Valley and commonly found in Canyon County, and the Cinnamomea Woodrat is primarily located in northwestern Colorado. These rodents prefer the rugged terrain of canyons and mesa walls on the Colorado Plateau, constructing their dens in protective niches among cholla cacti, whose spines shield them from predators.

Reproduction and Survival of Colorado Woodrats

Woodrats construct elaborate homes where they build grass-lined nests to withstand the cold and nurture their young. Female woodrats can produce up to four litters each year, with each litter consisting of one to six offspring after a gestation period of four to five weeks. Even with their fortified dens, woodrats are still vulnerable to predators such as owls, coyotes, gopher snakes, and rattlesnakes. Primarily herbivores, pack rats feed on cactus and mesquite beans, though their diet is quite varied. They derive necessary moisture from their food, eliminating the need for free-standing water sources.

Managing Woodrat Infestations

Like their smaller cousins, mice, woodrats may seek shelter in our homes and businesses. They can squeeze through openings larger than ½ inch and are skilled at breaching cracks, holes, or gaps at ground level. As excellent climbers, they can also gain entry via attics, rooflines, or chimneys.

Woodrats can cause significant damage to property by harming landscaping, gnawing on wiring, and contaminating food. They can also carry diseases and host other pests in their nests. To prevent a rodent infestation, it is essential to eliminate potential food sources inside and outside your property, such as pet food and bird feeders. Secure your trash cans, trim tree limbs overhanging rooftops by at least six feet, and clear out junk piles and yard clutter to reduce the risk of attracting woodrats.

Effective Mouse Control Strategies

Our pest control technicians begin with a thorough inspection to assess property damage and identify potential entry points. Addressing the conditions that attract rodents is crucial for effective elimination. This process involves sealing entry points and eliminating food sources. While preventive measures are essential, complete eradication often necessitates professional intervention.

We strategically deploy tamper-resistant rodenticide bait stations inside and outside the property. These stations allow mice to access the bait and then leave, typically resulting in dehydration away from the premises. The bait usually takes 3-5 days to be effective. Due to the proven effectiveness and sustained action of rodenticides, we recommend regular service visits to refill the bait stations and ensure continuous protection.

To protect your property throughout the year, consider enrolling in our maintenance program, which offers ongoing pest control and peace of mind. Contact us today to learn more!

Rodents are both a nuisance and incredibly persistent. Trust the pros at Front Range Pest for prompt and discreet service!

Front Range Pest is your trusted, family-owned pest and wildlife control company serving central Colorado and southern Wyoming. Our certified technicians have the expertise and credentials to ensure effective pest management for your home or business. As your all-in-one insect and wildlife specialists, we offer peace of mind by identifying wildlife entry points, removing nuisance pests, sealing access areas, performing cleanup, and making essential repairs. Schedule an inspection with us today.

Written by the Digital Marketing Team at Creative Programs & Systems: https://www.cpsmi.com/.