Below is a list of Humane Outdoor Cat Deterrents:

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• Motion-activated sprinklers: These sprinklers use an infrared sensor to release a short blast of water, covering an area of about 35 by 45 feet. They are battery-operated and can be purchased online.

• Ultrasonic deterrents: Motion-activated devices emit a high-pitched alarm that deters cats but is inaudible to humans. Available in battery-operated and solar-powered versions.

• Scat mats: Flexible plastic mats with harmless spikes can be placed on the ground to discourage cats from digging.

• Other digging deterrents: Use pinecones, lava rocks, or river stones as mulch, or surround plants with poultry fencing or landscape wrap. Placing chopsticks in potted plants can also help.

• Smells that repel cats: Cats dislike the smells of citrus, garlic, vinegar, coffee grounds, citronella, and eucalyptus. Sprinkle these substances around areas you want to protect and reapply as needed.

• Neutralizing urine smell: Products like OdoBan, Nature’s Miracle, and Fizzion are natural enzyme cleaners that effectively neutralize odors.

• Blocking off access: Ensure no cats are inside before blocking off areas you don’t want them in. To redirect them, consider providing alternative shelters, which can be inexpensive and easy to assemble.​​

• Trash Can Locks: They make trash can locks for different kinds on trash cans to help keep animals like cats and wildlife from using your trash as a food resource. 

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For additional guidance, here’s a helpful video from Best Friends Animal Society that demonstrates these deterrents in action:
Best Friends Humane Outdoor Cat Deterrents

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