Are Elephants Ectothermic?

Are Elephants Ectothermic? It is endothermic (the majority of the heat energy is used to maintain their high body temperature). It has a 4 chamber heart. They also have mammory glands that are used to produce milk to nourish their young. Are elephants ectotherms or endotherms? Also, there are large mammals (e.g., whales, elephants, and