title: Behavioral ecology. Songbirds check compass against sunset to stay on course.
authors.forename: Erik
authors.initials: E
authors.lastname: Stokstad
mesh_terms: D025041:Animal Migration; D000818:Animals; D001683:Biological Clocks; D002138:Calibration; D003463:Cues; D005426:Flight, Animal; D005843:Geography; D008280:Magnetics; D009949:Orientation; D016082:Solar System; D020308:Songbirds / Q000502:physiology*