Getting a Stubborn Mouse Out of the Camper

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Original Member Title: Another: I never expected this to happen to be, but it has!
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An RVer reported a stubborn mouse problem in the camper that had lasted about two months, with glue strips, spring traps, and poison pellets not solving it. The dogs were reacting at night, there was odor and contamination in cabinets, and the mouse appeared to be using holes around wiring and possibly the underbelly area.

Members suggested several approaches, including making one bait area attractive before setting traps, using newer sensitive snap traps, bucket and rolling-can traps...
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DutchmenSport

Senior Member
Joined
Jan 26, 2013
Posts
10,153
Location
Anderson, Indiana
A mouse! A stinking, stubborn, won't die, can't be caught, trapped, or cornered rotten, no good, rodent has invaded my turf!

As stated, glue strips, spring traps, even mouse poison pellets aren't getting rid of this beast. My 2 dogs go nuts at night when it begins to roam around. They can't catch it either.

It's been in the camper for about 2 months now. I'm pretty certain it invaded our territory when we were still home in Indiana in March. In the past, I have had a mouse or tow, but easily trapped with glue strips or spring traps. Not this buzzard!

Mouse poison? he's eating it and leaving crumbs all over. I think he's getting fat on it instead of dying. My dogs are insane, and the smell is annoying. My wife says she can't smell it, but I can. We've bleached the entire trailer, every pot and pan, cabinets, everything, and traces of his antics continue to appear. I'm pretty certain it's only 1 mouse. I actually saw it once under the living room couch when cleaning. The beast jumped in a hole where wires come through the wall and disappeared. He (or she) is full grown and nice and plump. Again, I think it's only 1 mouse, not an army! Thank goodness.

I'm out of ideas how to eliminate this monster. We don't have a cat, and my dogs can't corner it either. This beast has my stumped.

It's not a matter of preventing a new mouse to get "in". I need to get this one "out"! Any further suggestions what I can do? We are in Louisiana, will be here until the end of June before moving the camper again to a new location.
 
This past December we brought a few plants into the house because they are DW’s favorites and they cant take cold weather. A mouse came in with one of the plants. I started seeing the evidence around the kitchen. He seemed to be fond of one particular hidden corner of the countertop- so i made him feel real comfortable…put a few things in that corner to hide behind and left a few crumbs out for him to munch on. After about a week i baited a snap trap with peanut butter…that got him! You need to make your mouse feel good about one area - then catch him when he is fat and happy.
 
This works great. I put water in the bucket.
Screenshot_20260507-154355.png
 
Update: Actually caught 2 of the mice with an old fashioned snap trap. I kind of took Mikendebbie's advise. I started leaving scraps of cheese in the cabinet under the kitchen sink and in the pots and pans cabinet (where they are most active). Cheese disappeared. I then put it on a snap trap. Two less headaches to deal with now.

Just a few minutes ago, I heard the snap under the kitchen sink again. The trap was upside down, but no mouse. He must be a cleaver critter.

More cheese.... More cheese! I though there was only 1 mouse, I guess I'm wrong! I wonder how much mouse poop in locked inside the underbelly of the camper?
 
Yikes a trailer owners worst nightmare. I had a friend that lost a 150K toy hauler to mice! More cheese!!!
 
There is seldom just 1 mouse.

I use wind up live traps... Put them along a wall where they run and it is amazing how many they can catch.

Be sure to check them frequently! It won't take long to figure out why if you leave them too long.
 
I had a minor (?) mouse invasion few years ago. I used sticky traps and snap traps to get them but, one never knows if one got them all. For continuing peace of mind I got a couple of ultrasonic rodent repellent devices at Home Depot. They seem to do the trick.
 
After finding evidence of mice that apparently came in on top of the water line to the kitchen sink, I took @Daryles advice and used spray foam and heavy duty gorilla tape to seal and plug every gap that I could find around the perimeter and seams of the coroplast. I only found one since then, and that was the one that I sealed in the day I did the work.

The coroplast gaps were quite noticeable running end to end along the rear of the camper and near the septic hookups.
 
The Tomcat Press n' Set mouse trap worked for us. I think we got it at Lowes or Home Depot. The mouse we had was able to eat all the PB off every spring trap! Be sure and buy the cheap peanut butter that has sugar. They don't like organic PB either:)
 
A mouse! A stinking, stubborn, won't die, can't be caught, trapped, or cornered rotten, no good, rodent has invaded my tu
As stated, glue strips, spring traps, even mouse poison pellets aren't getting rid of this beast. My 2 dogs go nuts at night when it begins to roam around. They can't catch it either.

It's been in the camper for about 2 months now. I'm pretty certain it invaded our territory when we were still home in Indiana in March. In the past, I have had a mouse or tow, but easily trapped with glue strips or spring traps. Not this buzzard!

Mouse poison? he's eating it and leaving crumbs all over. I think he's getting fat on it instead of dying. My dogs are insane, and the smell is annoying. My wife says she can't smell it, but I can. We've bleached the entire trailer, every pot and pan, cabinets, everything, and traces of his antics continue to appear. I'm pretty certain it's only 1 mouse. I actually saw it once under the living room couch when cleaning. The beast jumped in a hole where wires come through the wall and disappeared. He (or she) is full grown and nice and plump. Again, I think it's only 1 mouse, not an army! Thank goodness.

I'm out of ideas how to eliminate
I'm sorry, but I just had to laugh a little when I read this post, only because I'm in the same spot almost. Got one under the floor in the underbelly. Had a whole family get in late last year. Got 4 in an island drawer and 2 more under the coffee bar.

This time, this critter is under the floor, so crawling around underneath trying to figure out where to cut into the underbelly to set some traps was no fun. It took 3 days, but I think I heard it snap last night but haven't gotten around to getting underneath to check it out yet. Haven't heard it crawling around today, so that might be a good sign.

DON'T use poison!!! They could eat it, crawl somewhere you can't get to easily or at all, then they die and the smell will only get worse until you start tearing things apart to get to it.

Instead, just some simple spring traps loaded up with creamy peanut butter, not the chunky stuff. An exterminator buddy told me this. He figures that the creamy kind smells better to them. That's how I caught the first 6. Now I just have to get this one, unless he was done in last night.

I need to get better at my preventive measures and keep them out for good!
 
I use the really, really REALLY live traps. Last week a mouse found it's way in and walked into the kitchen. Right into the middle of my 4 cats. No more mousey.
 
A mouse! A stinking, stubborn, won't die, can't be caught, trapped, or cornered rotten, no good, rodent has invaded my turf!

As stated, glue strips, spring traps, even mouse poison pellets aren't getting rid of this beast. My 2 dogs go nuts at night when it begins to roam around. They can't catch it either.

It's been in the camper for about 2 months now. I'm pretty certain it invaded our territory when we were still home in Indiana in March. In the past, I have had a mouse or tow, but easily trapped with glue strips or spring traps. Not this buzzard!

Mouse poison? he's eating it and leaving crumbs all over. I think he's getting fat on it instead of dying. My dogs are insane, and the smell is annoying. My wife says she can't smell it, but I can. We've bleached the entire trailer, every pot and pan, cabinets, everything, and traces of his antics continue to appear. I'm pretty certain it's only 1 mouse. I actually saw it once under the living room couch when cleaning. The beast jumped in a hole where wires come through the wall and disappeared. He (or she) is full grown and nice and plump. Again, I think it's only 1 mouse, not an army! Thank goodness.

I'm out of ideas how to eliminate this monster. We don't have a cat, and my dogs can't corner it either. This beast has my stumped.

It's not a matter of preventing a new mouse to get "in". I need to get this one "out"! Any further suggestions what I can do? We are in Louisiana, will be here until the end of June before moving the camper again to a new location.
Corn meal and Portland cement powder mixed together works. No chemicals really, and very cheap. 3ea 12” pieces of PVC pipe, one T fitting and one end cap. Cut two of the 12 inch pieces ends at 45 degree, and then put all flat 12 inch pieces in the T fitting to make a large capitol T. The T will be placed upside down with the long edge of the 45 degree upwards to limit rain intrusion. Pour mix down the vertical stem of the upside down T, and cap it. Tie it to your wheels, landing gear, stabilizers, trees around your camper, etc. creates a mouse/rodent free zone. Smaller diameter for mice, larger for other rodents. 12 in length is to long for cats to reach the mix, etc. For inside get several disposable tupperware like containers, cut/drill a small hole poor mix in put on lid and place into the cabinet.
 
The Tomcat got the mouse as he was walking towards the bucket and tin can we had set up. Here are those instructions:
The bucket and tin can mouse trap is a self-resetting DIY device that catches multiple mice by using a spinning soda can as a trap mechanism. It is constructed by drilling holes in a 5-gallon bucket and a tin or pop can, then threading a metal rod (such as a straightened coat hanger) through both to suspend the can across the bucket's opening.

How It Works​

  • Setup: A wooden ramp is placed against the bucket, leading up to the suspended can.
  • Baiting: Peanut butter is smeared around the center of the can to attract mice.
  • Trigger: When a mouse climbs the ramp to reach the bait, its weight causes the can to spin or roll on the rod.
  • Capture: The mouse loses its balance and falls into the bucket.

Lethal vs. Humane Options​

  • Lethal: Add 3 inches of water to the bottom of the bucket to drown the mice. Some users

Key Construction Tips​

  • Use a thin wire or small dowel for the rod; wider dowels allow mice to balance more easily, reducing effectiveness.
  • Ensure the can spins freely and is lightweight enough to react quickly to a mouse's weight.
  • This design is effective for multiple catches without needing to be reset after each mouse, unlike traditional snap traps.
 
A mouse! A stinking, stubborn, won't die, can't be caught, trapped, or cornered rotten, no good, rodent has invaded my turf!

As stated, glue strips, spring traps, even mouse poison pellets aren't getting rid of this beast. My 2 dogs go nuts at night when it begins to roam around. They can't catch it either.

It's been in the camper for about 2 months now. I'm pretty certain it invaded our territory when we were still home in Indiana in March. In the past, I have had a mouse or tow, but easily trapped with glue strips or spring traps. Not this buzzard!

Mouse poison? he's eating it and leaving crumbs all over. I think he's getting fat on it instead of dying. My dogs are insane, and the smell is annoying. My wife says she can't smell it, but I can. We've bleached the entire trailer, every pot and pan, cabinets, everything, and traces of his antics continue to appear. I'm pretty certain it's only 1 mouse. I actually saw it once under the living room couch when cleaning. The beast jumped in a hole where wires come through the wall and disappeared. He (or she) is full grown and nice and plump. Again, I think it's only 1 mouse, not an army! Thank goodness.

I'm out of ideas how to eliminate this monster. We don't have a cat, and my dogs can't corner it either. This beast has my stumped.

It's not a matter of preventing a new mouse to get "in". I need to get this one "out"! Any further suggestions what I can do? We are in Louisiana, will be here until the end of June before moving the camper again to a new location.
You 2 dogs may be scaring the mouse from venturing into your traps.
 
Here is a picture of a bucket trap. Like previously said put a narrow board leading up to the top. Snear some peanut butter in the middle area of the can or bottle. Mack sure it in the middle of the roller so he gas to walk out to get it. I add about 6” off water
 

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Before we had cats i used this in the workshop and barn.

RinneTraps - Flip N Slide Bucket Lid Mouse Trap | Original | Made in USA | US PAT D1,039,648s https://a.co/d/04rtbhxk

It was pretty effective.

Then we had a ferral mama orange cat move in and have three kittens.
Never had a problem after that.
I fed them every day. Had them trained to come when I whistled.
 

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Here is a picture of a bucket trap. Like previously said put a narrow board leading up to the top. Snear some peanut butter in the middle area of the can or bottle. Mack sure it in the middle of the roller so he gas to walk out to get it. I add about 6” off water
This system works GREAT and it is inexpensive, portable and re-useable....oh, and did I mention IT WORKS! I had an infestation after having the trailer at a repair facility several years ago. I tried just about everything with no success and then found this method on the internet. Within 3 days I had 5 mice captured and drowned in the bucket. I used the same method for my sticks & brick house garage. If I ever have a problem again, this is my go to ;) Just GOOGLE "rolling log mouse trap" and you will get several hits with video and instructions. You do have the option of making it humane by not using water in the bucket OR lethal, by adding water so the mice drown when they drop in.

Jack:cool:
 

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