Yes, most of these devices will work on deterring other creatures as well. In fact, many designs have features that will allow you to adjust the frequency and volume for other types of creatures. Generally, the higher the frequency, the smaller critters it will repel. These devices will work on other creatures such as raccoons, squirrels, foxes, rabbits, groundhogs, and even certain types of birds. Before you make your purchase, however, be sure that the product that you select has settings for other types of critters.