In the United States, it is illegal to own certain exotic animals as pets in many states. Some examples of animals that are often prohibited from being owned as pets include large cats like lions, tigers, and leopards, as well as primates like chimpanzees and monkeys. Additionally, some states have restrictions on owning certain species of snakes, reptiles, and birds. It's important to check with your local laws and regulations before considering owning an exotic animal as a pet.