An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Concept Breadcrumbs

Preferred Term:


The ability to generate and regulate internal body temperature. Erroneously considered synonymous with warm-blooded. Examples of endotherms include birds, most mammals, and a few fishes (e.g., tunas, billfishes).
Concept Schemes:
Broader Concept:
Entry Terms:
  • endothermic animals
  • endothermic fish
Download this Concept:
RDF/XMLCreated 2017-03-23, last modified 2017-11-10