Definition:
Endothermic animals are those that must generate their own heat to maintain their body temperature. These animals are commonly referred to as "warm-blooded." An animal that is endothermic is categorized as an endotherm, and this includes all mammals.
The opposite of an endotherm is an ectotherm.
Also Known As: Warm-blooded
Examples:
Examples of endotherms: cetaceans, pinnipeds, sirenians.
