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The sort of trap you should generally use for cats is the same sort that's often used for skunks, raccoons, and other small pests. The trap should look like a long rectangular wire cage with a slanted trap door at one end. The door swings shut when the cat steps on a pad at the rear of the trap while trying to eat food. These traps are commonly sold at hardware and hunting goods stores — make sure you buy one that's big enough to fit a fully-grown cat. Depending on their size, live traps can retail for anything from $20 to about $100. Generally, for a reliable trap, this money is worth it. Don't try to save money by improvising your own trap unless you're an experienced trapper — there's a risk the cat may escape or be injured. The evening after you skip feeding your cat, put your trap out with a little food on a small dish or paper towel behind the pressure plate. Ideally, the site of the trap should be perfectly flat so that the trap doesn't shake or rattle when the cat walks into it and scare the animal away.  You may also want to put something heavy (like a rock) on top of the trap so that it is weighed down and won't move when the cat enters. Though it's not required, you may also want to place a piece of newspaper or a towel on the floor at the front of the trap to make the cold metal floor of the trap more inviting. This will also prevent the cat's feet from slipping through the bars when you pick the trap up. You will want to put a very small amount of food at the front of the trap as a teaser.  Cover the trap with a towel or sheet so the cat feels confined and safe after being trapped.    {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/6c\/Trap-Cats-Step-8-Version-2.jpg\/v4-460px-Trap-Cats-Step-8-Version-2.jpg","bigUrl":"\/images\/thumb\/6\/6c\/Trap-Cats-Step-8-Version-2.jpg\/aid1354995-v4-728px-Trap-Cats-Step-8-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"<div class=\"mw-parser-output\"><p>License: <a rel=\"nofollow\" class=\"external text\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/3.0\/\">Creative Commons<\/a><br>\n<\/p><p><br \/>\n<\/p><\/div>"}  Some people like to put a flattened cardboard box underneath the trap for easy clean-up. This isn't essential, but it can keep food bits from the bait trail from working their way into the ground. Trappers are somewhat divided on the issue of whether or not it's a wise idea to cover the trap with a towel before leaving it out. Those in favor believe that the towel helps to camouflage the trap and comfort the animal once it's caught. On the other hand, those against it believe that being able to see through the trap makes it seem like less of a threat to the cat. Whether or not you cover your trap is up to you — if you follow the rest of the steps, it's not likely to make a major difference either way. If you do cover the trap, ensure that the towel you use doesn't interfere with the mechanism of the trap before you leave it out. Now, all you need to do is wait. If you want to stay near the trap, make sure you're far enough away that the cat won't be threatened by your presence. Assuming you set your trap out at dusk, you'll want to check your trap at least once before you go to bed. After that, you'll want to check on the trap as soon as you wake up in the morning to see whether your trap has caught anything. Note that some animal societies even recommend keeping constant surveillance on the trap.  Note also: It is inhumane to leave a cat (or any other animal) in a trap for prolonged periods of time. Inside a trap, an animal has no access to food or water (unless you provide it), no room to stretch out, and no way to move away from its urine or excrement. In addition, in weather that is very hot or cold, staying in a trap for any length of time can be dangerous and may even lead to the animal's death from exposure, so it's extra-important to check the trap as soon as you can. Up to this point, we've only mentioned standard box-style live traps in terms of options for trapping cats. While there may be other effective options available, you will never, ever want to use a trap that has a chance of hurting or maiming the cat. Traps you should definitely avoid include:  Steel jaw traps (i.e., bear traps) Wire or rope snares Traps that grip or crush the body Any trap that hangs the animal by a limb
If you don't have one, buy a live trap. Set your baited trap out in a flat, secure area. Optionally, cover the trap. Check your trap at least semi-frequently. Don't use inhumane alternative traps.