title: Animal behavior. Chicks with a number sense.
authors: Neuropsychology Unit, Department of Neurology, University Hospital Zürich, CH-8091 Zürich, Switzerland. peter.brugger@usz.ch.
authors: Peter
authors: P
authors: Brugger
mesh_terms: D000818:Animals; D002645:Chickens / Q000502:physiology*; D003071:Cognition; D006801:Humans; D055641:Mathematical Concepts; D008606:Mental Processes; D065855:Spatial Processing