PRESIDENTIAL SYMPOSIUM DOUG ALTSHULERUniversity of British Columbia, Canada “Optic flow circuits and the visual guidance of avian flight” ELEANOR CAVESUniversity of Exeter, UK “Vision and signaling behavior in cleaner shrimp-client fish mutualisms” LARS CHITTKAQueen Mary, University of London, UK “The mind of the bee” HOPI HOEKSTRAHarvard University, USA “How behaviours evolve” CHRISTINE MERLINTexas A&M University, USA “Monarchs, migration and magnetoreception: from behavior to molecules” STEFAN SCHUSTERUniversity of Bayreuth, Germany “High-speed decision making in hunting archerfish”