title: Predictive functions in the control of annual cycles.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D001717:Birds / Q000502:physiology; D002171:Canaries / Q000502:physiology; D002940:Circadian Rhythm; D005247:Feeding Behavior; D008029:Lighting; D008954:Models, Biological; D009043:Motor Activity; D010507:Periodicity; D012621:Seasons; D013997:Time Factors