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Baboons have a complex system of communication that includes vocalizations, facial expressions, posturing, and gesturing. These vocalizations, which baboons use to express emotions, include grunts, lip-smacking, screams, and alarm calls.The intensity of the emotion is conveyed by repetition of the sounds in association with other forms of communication.hese vocalizations, which baboons use to express emotions, include grunts, lip-smacking, screams, and alarm calls. The intensity of the emotion is conveyed by repetition of the sounds in association with other forms of communication.
Chemical Communication. Throughout the animal kingdom, from the simplest creature to the most complex, some form of communication takes place. Although most of us think of it in terms of sound, actually there are four methods of communicationâauditory (sound), visual (sight), tactile (touch), and chemical (smell and taste). Chirps, croaks, howls, barks, gobbles, and other such vocalizations are obvious examples of auditory communication.