Animal communication continues to be one of the most active and popular topics in behavioral ecology, neurobiology, and evolutionary biology. An enormous amount of relevant new research has been published since the first edition of Principles of Animal Communication, and over 90% of the citations in this new edition were published since the first edition appeared.

Although the basic order of topics is similar, this second edition is a completely new book. The topics in the 26 chapters of the first edition have been condensed and integrated into 16 chapters in the new version so...