On the meaning of alarm calls: functional reference in an avian vocal system. Anim Behav 46:23–38 Frederiksen JK, SlobodchikoV CN (2007) Referential speciWcity in the alarm calls of the black-tailed prairie dog. Ethol Ecol Evol 19:87–99 Greene E, Meagher (1993)

by Evans CS, L Evans, P Marler
Venue:Behav Processes 73:29–35 Leydet F