How Long Can Different Animals Survive Without Food? 2025 UpdateUnderstanding how long animals can endure without sustenance reveals fascinating insights into their biology, adaptations, and survival mechanisms. Hummingbird – 12 HoursHummingbirds, with their incredibly high metabolisms fueled by nectar, can survive up to twelve hours without food. Camel – 90 DaysDesert dwellers like camels are famously hardy, with the ability to survive months without food thanks to water conservation adaptations and fat reserves in their humps. Large Crocodile – 2 YearsCrocodiles utilize their fat reserves to survive up to two years without food, notably during droughts or periods of prey scarcity.