title: Neuroscience. Monarchs check clock to chart migration route.
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Pennisi
mesh_terms: D025041:Animal Migration; D000818:Animals; D001683:Biological Clocks / Q000502:physiology*; D002080:Butterflies / Q000235:genetics / Q000502:physiology*; D002940:Circadian Rhythm / Q000502:physiology*; D005426:Flight, Animal; D008027:Light; D009687:Nuclear Proteins / Q000235:genetics / Q000502:physiology; D056950:Period Circadian Proteins; D016082:Solar System
chemical_list: D009687:Nuclear Proteins; D056950:Period Circadian Proteins