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Some stores sell smoke bombs to drive animals out of spaces, but we don’t recommend you use them, especially in an attic. The smoke can be toxic to humans or pets that may accidentally inhale it. Meanwhile, critters can easily escape the smoke by temporarily leaving the attic, only to return via their usual entry points after the smoke clears.

Some snake repellents are risky to use around people and pets because they use the active ingredient in mothballs, naphthalene. The United States Environmental Protection Agency (EPA) has classified naphthalene as a carcinogen that can cause damage to the liver, neurological issues, and cataracts. 

The Colorado State University Extension suggests there’s not enough conclusive evidence of the effectiveness of snake repellents to recommend their use.

Scarecrows and lifelike animal decoys, such as snakes, owls, coyotes, foxes, and hawks, can initially deter rabbits. However, these tactics might lose effectiveness if rabbits learn they are harmless. Having your dog or cat roam and mark the yard with their scent can also prove beneficial. Keep in mind tactics like these work best when combined with other methods.

When baiting an iguana trap, several items should be avoided. Do not use poisonous baits, such as those intended for rats or mice. This practice is often illegal, is unlikely to attract iguanas, and poses a significant risk to pets or other wildlife. Additionally, avoid using herbs, fruits, and vegetables that are toxic to iguanas, such as fresh sage, rosemary, avocados, and eggplants. While ripe fruit can be an effective bait, be sure to remove any pits or seeds from fruits like apples, pears, and peaches, as they are highly toxic. Finally, steer clear of citrus fruits, which act as a natural deterrent.