Animal communication vs Human language Aravind Kannan vu2brains Page 28 Lecture Notes: Difference between animal communication systems and human language Subject: Linguistics and Phonetics Course: 1st Year BASLP (Bachelor in Audiology & Speech-Language Pathology) Introduction Communication is fundamental to both human and animal life, serving various functions such as conveying emotions, signaling danger, or sharing information. However, human language exhibits unique features that distinguish it from animal communication systems. These features allow for complex, flexible, and creative communication far beyond the capabilities of any animal communication system. Understanding these differences provides insights into the cognitive abilities underlying human communication and the evolutionary development of language. The following sections elaborate on these differences, illustrated with specific examples. Key Features of Language (Hockett’s Design Features) Charles Hockett (1960) identified several features that characterize human language and set it apart from animal communication systems. The most notable of these are: 1. Arbitrariness o Human Language: In human language, there is no direct relationship between the form of a word (its sound or appearance) and its meaning. For example, the word "tree" does not resemble the object it signifies. The English word "apple" does not resemble the fruit it represents, and different languages have entirely different arbitrary symbols for the same object, such as "manzana" in Spanish or "seb" in Hindi. o Animal Communication: Most animal communication is not arbitrary. Signals are often directly linked to specific functions or behaviors. A dog’s growl indicates aggression. or a bird's song during mating. The growl is directly linked to the dog’s emotional state and not arbitrarily assigned. 2. Productivity (Creativity) Human Language: Human language allows the creation of an infinite number of new sentences and expressions using a finite set of rules and elements. This productivity enables speakers to express novel ideas or describe new experiences. A person can create an entirely new sentence that has never been spoken before, like "The purple dragon danced in the moonlight with a talking cat." o Animal Communication: Animal communication systems are generally limited to a fixed number of signals, with little or no capacity for generating new messages. For instance, bees communicate the location of food through a specific dance but cannot create new forms of communication beyond their instinctual repertoire. Honeybees communicate the location of food using the waggle dance, but they cannot invent new dances to describe different kinds of experiences. 3. Displacement