The Rodent RangerPrairie dogs · Gophers · Voles
(970) 301-8724
The Rodent Ranger’s UTV towing the PERC rig across a prairie dog colony under a big Colorado sky
The Rodent Ranger logo: a prairie dog inside a no sign

Milliken, CO · The whole Front Range

Prairie dog, gopher and vole control on Colorado’s Front RangeBurrows cleared. Ground back.

Rich, a retired park ranger, treats each burrow with pressurized gas. No bait left out, no traps to check.

Call (970) 301-8724Free estimate

Who calls the Ranger

HomeownersFarms and ranchesCity grounds and open spacePrivate schoolsWater departments and reservoirs

The Rodent Ranger’s new rig on a job: a black Polaris Ranger and the blue PERC trailer, a red hose run out to an orange marker flag
The new rig on a job, hose out to a flagged burrow

The Rodent Ranger

A park ranger’s way to clear a colony.

The Rodent Ranger is family-owned and run by Rich, a retired park ranger who served 24 years.

The work is burrowing pests: prairie dogs, pocket gophers, voles and rats.

Rich uses the PERC® method.

Pressurized gas goes straight down each burrow through a probe, and the whole tunnel system is purged in seconds.

It is a quick, humane alternative to poison baits and smokers.

Nothing is left on the ground afterward for a dog, a horse or a hawk to find.

  • Free estimate after Rich walks the land
  • Priced per treated hole, no guesswork
  • No poison bait and no traps to check
  • Open 24 hours, seven days a week

More about Rich

Field guide

Know what is digging.

From 3 gopher mounds in a backyard to a pasture full of prairie dogs: 5 kinds of burrow work.

The PERC® method

Every tunnel, in seconds.

PERC® stands for Pressurized Exhaust Rodent Control.

Instead of a bait on the surface or a trap at one hole, the treatment goes down the burrow and through it.

How the PERC® method treats a burrow Cross-section of a prairie dog burrow. A probe from the rig goes into one entrance. Pressurized gas flows down through the connected tunnels to the nest chamber, a side chamber and the other entrances. 1 2 3 PROBE IN THE ENTRANCE NEST CHAMBER OTHER ENTRANCES
Cross-section of a prairie dog burrow, drawn for this page. Real systems vary in depth and length.
  1. 1

    Probe in

    A probe from the rig goes into each active entrance. Several hoses work at once.

  2. 2

    Pressure on

    Pressurized gas, about 2.5 percent carbon monoxide, fills every connected tunnel.

  3. 3

    Purged in seconds

    The burrow is purged of air before the rodent can get out another entrance.

How a treatment day goes

The camo UTV and PERC trailer parked on the colony, a shovel and probe beside a treated hole

On the colony

12 to 20 holes an hour.

Depending on the terrain and the weather. The rig rides on a trailer behind a UTV, right out onto the colony.

How a job goes

Call. Walk. Treat.

No contracts and no guessing at a price over the phone. The number comes from the holes on your land.

A red treatment hose running into a burrow next to a marker flag and a shovel
A hose running into a treated burrow, marker flag beside it.

  1. Call or text

    Tell Rich what is digging and roughly how many holes. (970) 301-8724, any hour.

  2. Free walk-through

    Rich walks the property and counts the active holes. The quote is per hole and set once the land is seen.

  3. Treatment

    A probe goes into each active burrow and the pressurized gas does the rest, hole by hole.

  4. Check back

    Watch for reopened holes. Any that open back up get a second pass.

Google reviews

Neighbors say it best.

5.0Read them on GoogleRated 5.0 out of 5 on Google. Read the reviews on Google.

We noticed an increase in prairie dog activity this year with the drought… he did a great job, we haven’t noticed a single prairie dog since.

Emily GallagherManages a 40-acre ranch in North Boulder

Service area

Milliken to the whole Front Range.

Rich is based in Milliken and covers the Front Range up to 125 miles out.

Fort Collins, Loveland, Greeley, Johnstown and Denver are all on the route, along with the Boulder County towns below.

Gunbarrel: Photo: Zach Dischner, CC BY 2.0, via Wikimedia Commons.
Niwot: Photo: Jeffrey Beall, CC BY 4.0, via Wikimedia Commons.
Longmont: Photo: Tyler Cipriani, CC BY-SA 4.0, via Wikimedia Commons.

Service area map Map of Colorado’s northern Front Range. Home base is Milliken, between Greeley and Loveland. Marked towns: Fort Collins, Loveland, Greeley, Johnstown, Milliken, Longmont, Niwot, Gunbarrel, Boulder and Denver. The service area covers the plains along the foothills, up to 125 miles from Milliken. FOOTHILLS 25 34 119 FORT COLLINSLOVELANDGREELEYJOHNSTOWNMILLIKENHOME BASELONGMONTNIWOTGUNBARRELBOULDERDENVER THE WHOLE FRONT RANGE UP TO 125 MI OUT N ↑
Home base is Milliken. Towns placed to scale; the service area runs up to 125 miles out.

Questions

Straight answers.

How is the job priced?

Per active hole. Rich walks the land and counts first.

The estimate is free, and the quote is based on what is actually there.

Terrain and weather set the pace: 12 to 20 holes an hour.

Is the method safe around kids, dogs and livestock?

Nothing is left on the ground afterward: no poison bait, no pellets and no traps.

Keep people and animals clear of the hoses while the treatment is going in.

How fast does it work?

The pressurized flow purges a burrow in seconds.

The Rodent Ranger’s own figure is about a 90 percent reduction from one treatment.

Holes that reopen get a second pass.

Do I need a permit for prairie dogs?

It depends on where the land is.

The City of Boulder and Boulder County each have rules for some property.

Say the address when you call and the plan starts from there.

What area do you cover?

The whole Front Range, up to 125 miles from Rich’s base in Milliken.

That includes Fort Collins, Loveland, Greeley, Johnstown, Longmont, Boulder and Denver.

When can I call?

Google lists The Rodent Ranger as open 24 hours, every day. Call or text (970) 301-8724.

Free estimates · Open 24 hours

Holes in the yard? Call the Ranger.

Say what is digging and where. The walk-through and estimate are free.

(970) 301-8724
Call nowSend the details

Free estimate

Tell Rich what is digging.

A quick description is plenty: what you are seeing, roughly how many holes, and where.

Rich calls back and sets a time to walk the land.

  • Call or text(970) 301-8724
  • HoursOpen 24 hours, every dayAs listed on Google
  • PricingFree estimate, priced per holeSet once the land is walked
  • Based inMilliken, COServing the Front Range, up to 125 miles out

Request a free estimate

Say what is digging and where. Rich calls back to set a time to walk the land. The estimate is free.

Rather talk? Call or text (970) 301-8724, any hour.

CallFree estimate