In its most common sense, acoustic communication occurs between animals, but in special cases it may occur within individual animals in the context of autocommunication. Communication can be described as an information exchange that alters the behavior of the communicating animals. Acoustic communication signals (typically vocalizations) are shaped by the physics of the sound-producing organs, ...

Studies of nonhuman primate communication are often motivated by the desire to shed light on evolution speech. In contrast human speech, vocal repertoires primates evolutionarily highly conserved. Within species-specific constraints, calls may vary in relation internal state caller or social experience. Receivers can use signalers’ predict upcoming events behavioral dispositions. Yet do not app...