Abstract

A history of research and writing (the two not necessarily synonymous) regarding dolphin communication will be presented along with a summary of the present trends in thinking regarding this somewhat controversial topic. The primary emphasis will be placed on the “vocal” aspects of dolphin communication, but other methods of communication in this mammalian group will be outlined; i.e., such things to be discussed are non-“vocal” sounds such as the jaw clap and tail slap, body postures and positions, tactile contact, and pigmentation patterns. Signal detection systems in the dolphin will be considered as they relate to the apparent signal emission systems. Behavioral correlates will be outlined for many of these communication modes, and various experiments described that bear on the matter of whether or not presumed communication modes are indeed used for this purpose. Special attention in this regard will be given to the whistle component of the communication process.

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