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California Sea Lion (Zalophus californianus) Picture

Example of An Endotherm: California Sea Lion (Zalophus californianus) near Channel Islands, California

© Blue Ocean Society


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.

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