Trap Rats

Rats are one of the most infamous, well-known, and hard-to-eliminate pests in the modern world. A rat infestation can be a serious problem — not only will rats eat food and leave unsanitary droppings in their new habitat, but also potentially spread harmful parasites (like fleas) and illnesses (like Hantavirus, and, famously, the Black Plague.) To deal with a rat problem, start laying traps early and often and be willing to call in professional help if the infestation gets out of hand.

Steps

Choosing a Trap

1. Buy at least several traps. Once you've identified a rat problem, you'll want to work fast. The quicker you can start trapping rats, the less time the population of rats will have a chance to expand. Start by heading to your local hardware store and buying plenty of rat traps — the more you're able to set, the better chance you stand of trapping rats. Most disposable rat traps are available for quite cheap, so it's not a bad idea to buy one or two more than you think you'll need. If the extra money prevents major rat problems in the future, it will have been a wise investment. See the steps below for information on the different types of rat traps available.
   • The sole exception here is when dealing with live traps. Since live traps are almost always significantly more expensive than ordinary disposable rat traps, it can be impractical to buy more than one. Thus, live traps are best-suited for small rat problems — instances when there's only about one or two rats loose in your house. Any larger, and you run the risk of being unable to catch all of the rats before they breed. See below for more information on live traps.
2. Use snap traps. The "classic" spring-loaded wooden snap trap is a proven, effective way to start trapping rats. These traps work by snapping a metal wire over the rat's neck when it tries to grab the bait. Snap traps usually come in several sizes, so be sure to pick one that's big enough to kill to the rats at your residence — using traps that are too small may maim the rat without killing it or lead to a protracted death from strangulation.
   • Pros: When used correctly, kills rats quickly and effectively. Traps are reusable and are basically effective forever until they're sprung, so they can be left in "problem areas" semi-permanently.
   • Cons: Can occasionally cause bleeding, gore, etc. Possible to hurt yourself if the trap is sprung accidentally.
3. Use glue traps. Glue traps are pads or sheets covered in a very sticky adhesive with a spot for bait in the middle. When the rat tries to get the bait, its legs are caught in the glue. As it struggles to free itself, its mouth gets caught in the glue and it suffocates. While glue traps are considered fairly effective for killing mice, since rats are bigger and stronger, there is some doubt as to their effectiveness at controlling rat populations. Even large, rat-sized glue traps may not always kill a rat, requiring you to euthanize it yourself.
   • Pros: Cheap, disposable. Can also catch bugs, spiders, etc. inadvertently.
   • Cons: Won't always kill rats quickly. Occasionally won't kill rats at all, requiring you to put the rat out of its misery. Considered inhumane by many animal rights groups, including PETA. Aren't effective forever — glue will eventually start to dry.
4. Use poison traps. Poison-based rat traps usually come in the form of a pre-packaged poison "station." The station is placed in a spot where the rat is likely to come across it, the rat eats it, wanders away, and eventually dies. While poison can be an effective way to kill rats, out of all the trapping methods, poison usually poses the most serious danger to small children, pets, and so on, so it's crucially important to use these sorts of traps responsibly.
   • Pros: Low maintenance — not necessary to check for dead rats, as the rats will leave the trap and die elsewhere. Can be left out semi-permanently if poison is consistently refilled. These traits make poison traps good choices for outdoor rat control.
   • Cons: Death can often take hours or days. Not guaranteed that rats will eat the correct dosage. Possible to accidentally poison pets, small children, or non-pest animals if used improperly. In indoor rat infestations, rats may die in inaccessible parts of the residence and begin to rot.
5. Alternatively, use a live trap. It definitely bares mentioning that you don't necessarily need to kill a rat to trap it. Live traps, which usually come in the form of small steel cages, can catch rats without harming them in any way. These sorts of traps usually work by enticing a rat to grasp a piece of bait positioned over a pressure-sensitive pad. When the rat steps on the pad, a trap door swings shut, trapping the rat in the cage. If you're using a live trap, be sure to use one small enough to prevent a rat from escaping. As a general rule, if a rat can fit its head between a set of bars, it can easily squeeze through. Some rats can even fit through spaces as narrow as 1/2 inch (1.27 centimeters) wide.
   • Pros: Does not hurt the rat. Considered humane by most animal rights groups, including PETA.
   • Cons: Relatively expensive. Labor intensive — trap must be checked frequently and emptied with each rat caught. Does not by itself guarantee that the same rat will not be a problem in the future.
6. Take any pets or young children into account. When choosing your traps, it's important to consider any people or animals at your residence that could conceivably fall victim to your trap by accident — namely, pets and small children. If you do have pets or small children, you may not necessarily need to avoid lethal traps all together, but you should be ready to take all necessary precautions to ensure that your children and pets won't have access to the traps. This can include keeping a close eye on your child or pet when it is around the traps and, if necessary, creating physical barriers for its own safety with playpen walls, etc.
   • For especially small pets, like miniature dogs, ferrets, hamsters, and so on, larger snap traps can potentially cause serious injury. Bigger animals and children may still be at risk for broken bones, gashes, and so on if they step on one of the traps.
   • Glue traps can lead to intense pain and discomfort if a pet or child accidentally steps on one. In rare cases, the glue trap can be life-threatening if it attaches to the area around the mouth and nose. To remove a glue trap, apply baby oil to the spot where it is stuck and pry it off with a spoon.
   • Poison can cause symptoms ranging from mild to severe depending on how much is ingested. If you have reason to believe your pet or child has eaten rat poison, contact your local poison control center immediately — the help you get may be life-saving.
7. For major rat infestations, call an exterminator. While it's possible to get rid of lots of rats with your own traps, sometimes, it's best to leave the problem to professionals. If you don't feel comfortable trapping rats yourself or you believe your infestation is too large for you to control, call a pest control expert as soon as possible. Most pest control companies offer experienced exterminators trained to use a wide range of solutions, including mechanical traps, kill and seal traps, ultrasonic repellants and rodenticides. Signs of a major infestation include:
   • Rats visible in the open — most rats like to hide as much as possible, so if you see them regularly, it's likely that there are many.
   • Frequent appearance of small, pellet-like droppings.
   • Greasy, dirty "trails" along walls.
   • Bite/nibble marks in stored food.
   • Small gnawed openings in corners of walls and cupboards.
   • Infestation signs that don't seem to improve as rats are caught.

Placing Your Traps

1. Bait your traps before placing them. Once you've selected and bought your traps, you'll need to bait them (with the exception of poison traps, which use the poison itself as bait.) Apply your bait to the designated spot on the trap according to any instructions provided with it. Typically, for snap traps, the bait will need to go on the flat "platform" that sits opposite the swinging arm. Glue traps, on the other hand, often have a peg in the middle that bait can sit on. Live traps usually have a similar platform for the bait in the center. Your bait should be a small, thimble sized amount of a food that's appetizing to rats — don't use too much or it will be easier for the rat to take it without springing the trap. Just a few common examples of rat bait are listed below:
   • Peanut butter
   • Bacon or meat
   • Most fruits and vegetables
   • Cereals
   • Commercial rat baits (available at hardware stores and online pest control retailers)
2. Look for rat droppings as signs of high-traffic areas. One of the biggest tell-tale signs of a rat problem is the presence of small, brown, pellet-like droppings. Anywhere you find these droppings is an acceptable place to put a trap — if a rat has been there before, there's a good chance it will be there again.
   • Take care when handling or cleaning rat droppings — certain illnesses, like Hantavirus, can be caused by accidentally ingesting or inhaling small particles from rat feces. Wear gloves and a face mask when disposing of rat droppings and be sure to wash your hands when you've finished.
3. Set indoor traps along walls and in corners. For indoor rat problems, it's usually best to place traps directly next to walls and corners where rats (or rat droppings) have been spotted. Rats hate running out in the open where they can be seen easily, so putting rat traps in the middle of the floor is unlikely to warrant results unless they're in a location where you've specifically noticed rats before.
   • If using snap traps, place the traps perpendicular to the wall so that the baited end is touching it. This forces the animals to touch the bait platform if they want to continue along the same path as they've been using before.
4. Set outdoor traps on narrow paths and under foliage. Rats can be a little harder to trap outdoors because it's harder to predict their movements. Try placing traps along narrow locations where you've observed rats before, like tree branches, the top edges of fences, gutters, and so on. You may also want to place a few traps under dense foliage, as rats love the safety and cover that thick bushes and shrubs can provide.
   • If you have time, try spending a few minutes looking for "rat runs" — small, narrow paths in grass that rats use to come and go. Placing traps along rat runs is a great way to start catching rats.
5. Consider placing traps out unset for a few days. Rats may be wary of new objects that suddenly appear in the path of their established trails, which can make them reluctant to go for traps even when bait is used. In these cases, you may want to consider leaving your traps out "unset" for a few days so that the rats have a chance to get to get used to them. Then, set the traps and add bait — the rats should approach them without fear, making it much more likely that you'll successfully catch one.
6. Check your traps frequently. Once you've set out traps, make a habit of checking them once a day for successful catches. You do not want to discover a trapped rat several days after it's died, as decaying rat corpses can be accompanied by an unpleasant smell, the presence of bugs and other scavengers, and severely unsanitary microorganisms. See the section below for more information about disposing of rats once you've trapped them.
   • It's just as important to check live traps as it is to check lethal traps. Leaving a rat in a live trap for a long period of time can be potentially deadly, especially in very hot or cold climates where the rat is vulnerable to exposure.

Disposing of Trapped Rats

1. Do not touch rats directly. While not all rats are carriers of dangerous diseases and parasites, some are, so it's very important to take proper precautions to protect yourself when handling rats (living or dead.) Wear sterile gloves and avoid touching the rat itself, instead grabbing hold of the trap. Remove your gloves and wash your hands when you're done disposing of the rat and never touch your face, eyes, or mouth after touching either a rat or its trap without thoroughly cleaning your hands.
2. Euthanize any rats that are injured but not dead. Unfortunately, lethal traps do not always work perfectly — occasionally, you may find a trapped rat that is maimed and unable to escape, but still living. In this case, the most humane thing to do is often to put the animal out of its misery by quickly and cleanly killing it. Releasing an injured rat into the wild is likely to cause it to die a relatively more painful death from starvation or being eaten.
   • While many animal rights groups (including PETA) recommend against the use of lethal traps in the first place, among more mainstream pest-control resources, two methods of euthanasia are usually deemed acceptable for rodents: cervical dislocation and asphyxiation. Cervical dislocation involves breaking the rat's spinal cord by pressing on the base of its neck with quick, forceful pressure, while asphyxiation involves putting the rat in a small container and flooding it with an inert gas like carbon dioxide.
   • See our article on humanely killing a rodent for more information on this topic.
3. Bury or throw out dead rats. If you find a dead rat in your trap, disposing of it is usually fairly simple: either carefully place the rat in a plastic bag and set it in your outdoor garbage container or else dig a hole in the ground a few feet deep and bury it. If you dig a hole, make sure it's not any shallower than a foot or so or neighborhood pets may dig up the rat's carcass.
   • In the case of glue traps, you'll need to throw the entire trap out with the dead rat. Don't re-use glue traps — they won't work as well the second time and it can be very difficult to cleanly un-stick the rat from the trap in the first place.
4. Release live rats outdoors. If you've caught a rat in a live trap, simply take it outdoors, set the trap on the ground, and carefully open the trap door to let it go. If you're interested in the rat's survival, try to release it within about {{safesubst:#invoke:convert|convert}} of where you found it. Releasing rats in unfamiliar territory makes them much more vulnerable to predators and starvation.
   • Note, however, that if you release a rat into the wild alive, there's not necessarily any reason why it won't find its way back into your house. In this case, it's important to "rodent-proof" your house to ensure that the root cause for the rat infestation is eliminated. This includes removing any food sources, sealing holes in the outside of your house with caulk or steel wool, tidying up any messes to remove potential nesting places, and more. See our article on rodent-proofing your home for more information.
5. Wash your hands and your trap when finished. When you've disposed of your rat, remove your gloves and give your hands a thorough washing to remove any bacteria particulate matter that may have passed from the rat to you. After this, you may carefully wash your trap to clean it for future use (except in the case of glue traps, which aren't meant to be reused.)

Tips

• If you have a hammer and nails handy, you don't just have to place snap traps on the floor — you also have the option of nailing them to walls, doors, and other vertical surfaces. This can be useful for catching rats as they travel along steep surfaces.
• Another good option for fighting rats is to get a cat or a dog breed that's good at killing rodents, like a schnauzer, Rat Terrier, Jack Russell, dachshund, Yorkshire Terrier, etc.

Warnings

• You may want to avoid handling traps with your bare hands as you set them — some anecdotal sources claim that rats will be able to pick up your scent.

Related Articles

• Select Pest Controls
• Set a Mousetrap
• Clean up Mouse Droppings
• Cope With the Sound of Rats at Night

Sources and Citations

See also

• Humanely Kill a Rodent
• Get Rid of Mice Fast
• Get Rid of Raccoons
• Get a Mouse Out of the House
• Get Rid of Mice
• Remove a Live Mouse from a Sticky Trap
• Catch a Mouse
• Get Rid of Woodchucks
• Get Rid of Mice Naturally
• Trap a Possum

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What links here

• Get Rid of Mice Naturally
• Make Rat Poison
• Get Rid of Rats Without Harming the Environment