The cat’s sense of smell, though weaker than that of a dog, is perhaps twelve times more sensitive than that of a human. They can detect separate ingredients in foods, such as the milk in baked goods. Cats also perceive smells differently. Smells we consider “good,” such as citrus and mint, are repulsive to cats. (Try offering your cat an orange peel to smell and see how he reacts!) They do not seem to find animal smells as offensive as humans do, and their noses are attuned to these smells.