Rabbits have specific dietary needs to stay healthy. They require a diet that is high in fiber, such as hay and grass. Leafy greens like kale, romaine lettuce, and parsley are also good for them. Additionally, rabbits need a small amount of pellets that are specially formulated for rabbits to ensure they get all the necessary nutrients. It's important to provide fresh water at all times and limit treats to prevent obesity and digestive issues.