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Food
Unlike with cold-blooded animals, food is required in excess to help increase body heat for warm-blooded animals. All animals need food to contribute to body mass and growth, but warm-blooded animals also need food to help power the body to create heat. Hence, most warm-blooded animals need to eat daily, while cold-blooded animals only need to eat once in a while.
Water
Water is consistently needed to allow the warm-blooded animal to cool its body temperature. This is especially true when the outside weather, such as on a warm day, is excessively hot for the warm-blooded organism. Although all animals require water, warm-blooded animals use water to cool themselves through water evaporation techniques such as sweating. Only a certain number of mammals sweat, however. For example, cetaceans do not have sweat glands; since they are always in water, they do not require sweat glands.
Heat Absorption Tissue
Warm-blooded animals need to consistently have some level of heat absorption tissue on or in their bodies. This varies from animal to animal, but most warm-blooded animals have fats that store energy and keep internal heat from escaping the animal body. Other tissues that help keep heat trapped in the body include furs, feathers or thick hair around the body.
Shelter
Warm-blooded animals need to be mobile and able to move into warmer or colder climates to escape excess heat or frigid temperatures. A popular example includes North American birds, which may fly to southern North America during the colder winter months. Although a warm-blooded animal is able to survive in more environments than a cold-blooded animal, such as the Arctic, the need for shelter comes into play since the warm-blooded animal is usually more active than a cold-blooded one. After a long day of finding food and water to keep internal body temperatures right, a warm-blooded animal will require a shelter to rest, sleep and stay out of extreme elements, like storms and hot or cold weather.