title: THE CIRCADIAN RHYTHM IN THE CANARY STUDIED BY SELF-SELECTION OF LIGHT AND DARKNESS.
mesh_terms: D000818:Animals; D001683:Biological Clocks; D001717:Birds; D002171:Canaries; D002940:Circadian Rhythm; D003624:Darkness; D006234:Handling, Psychological; D008027:Light; D009622:Noise; D010507:Periodicity; D010600:Pharmacology; D012106:Research; D012146:Rest; D012890:Sleep; D013696:Temperature; D014867:Water
chemical_list: D014867:Water
keywords: BIOLOGICAL CLOCKS; BIRDS; CIRCADIAN RHYTHM; DARKNESS; EXPERIMENTAL LAB STUDY; HANDLING (PSYCHOLOGY); LIGHT; NOISE; PERIODICITY; PHARMACOLOGY; REST; SLEEP; TEMPERATURE; WATER