Yes, you can absolutely bring your own food and non-alcoholic beverages into Disney's Animal Kingdom, as well as all other Walt Disney World theme parks. This is a highly effective way for families to save money and manage specific dietary needs. However, there are several strict rules you must follow: you cannot bring glass containers (except for small baby food jars), and the food must not require heating, reheating, or refrigeration by the Disney staff. Furthermore, loose ice and dry ice are prohibited; you must use reusable ice packs or frozen water bottles to keep your items cool. When entering the park, you must inform the security Cast Member that you have food in your bag. A unique rule specific to Animal Kingdom (and water parks) is that plastic straws and balloons are strictly prohibited to protect the animals from accidental ingestion. If you bring a cooler, it must be no larger than 24" long x 15" wide x 18" high. Most guests who bring their own food find a quiet spot in an outdoor seating area or at a "quick-service" location to enjoy their meal amidst the park's lush, jungle-like atmosphere.