title: The evolution of endothermy in mammals and birds: from physiology to fossils.
authors.affiliation: Zoology Department, Oregon State University, Corvallis 97331-2914, USA.
authors.forename: J
authors.initials: J
authors.lastname: Ruben
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000502:physiology*; D001833:Body Temperature Regulation / Q000502:physiology*; D004734:Energy Metabolism / Q000502:physiology; D005580:Fossils; D008322:Mammals / Q000502:physiology*; D010101:Oxygen Consumption / Q000502:physiology