title: Seasonal variation of energy metabolism and thermoregulation in resident and migrant passerine birds.
mesh_terms: D000818:Animals; D001717:Birds / Q000502:physiology*; D001833:Body Temperature Regulation; D004594:Electrophysiology; D004734:Energy Metabolism; D010369:Pectoralis Muscles / Q000502:physiology; D012621:Seasons; D013045:Species Specificity