title: Animal behavior. Last year's food guides this year's brood.
authors.forename: Jay
authors.initials: J
authors.lastname: Withgott
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D001522:Behavior, Animal; D003463:Cues; D004777:Environment; D005502:Food; D017752:Greenhouse Effect; D007858:Learning; D012098:Reproduction; D012621:Seasons; D020308:Songbirds / Q000502:physiology*; D013997:Time Factors