The most common natural rat repellent is peppermint oil. To be effective, the oil must be highly concentrated. It must also be reapplied whenever the smell is no longer noticeable upon first entering the treated area. More »

To get rid of rats without traps or poison, use harmless mouse repellents such as peppermint oil, or physically trap and remove the rats from the home. Seal cracks, holes and vents to prevent rats from entering the home ... More »

Natural, chemical-free bat repellent methods are wall repair, aluminum foil, mirrors and Mylar balloons. These methods keep bats from returning to homes and nests made within residences. More »

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To make homemade gopher repellent, mix castor oil with liquid dish detergent and spray your property with the mixture. Applying the mixture in or around the gophers' tunnels is also an effective way to remove the pests. ... More »

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Ammonia acts as a natural raccoon repellent, according to HowStuffWorks. Its strong smell aids in warding off raccoons that may try to invade homes and garbage cans. Rags soaked in ammonia can be placed wherever raccoons... More »

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Cayenne pepper is an effective natural chipmunk repellent, according to Better Homes and Gardens. The strong scent of the spice repels the chipmunks, keeping them away from bulbs and other food sources when sprinkled ove... More »

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To make raccoon repellent, boil five chopped habanero chiles and 1 cup of cayenne pepper in a pot of water. Strain the mixture into a spray bottle, and spray the mixture in the affected areas. Repeat the application ever... More »

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