Animal Linguistics

Animal linguistics is an interdisciplinary field that integrates animal behavior, linguistics, and cognitive science to explore issues such as (a) what animal signals mean, (b) what cognitive abilities are necessary for the production and understanding of these signals, and (c) how communication systems have evolved. Despite the traditional belief that language evolved through a single mutation in our ancestors, accumulating evidence suggests that many cognitive abilities underlying human language have also evolved in nonhuman animals. For example, several species of birds and nonhuman primates convey conceptual meanings through specific vocalizations and/or combine multiple meaning-bearing calls into sequences using syntactic rules. Using experimental paradigms inspired by cognitive science and linguistics, animal linguistics aims to uncover the cognitive mechanisms underlying animal language and explores its evolutionary principles. This review examines previous studies exploring the meanings and cognitive abilities underlying animal language and introduces key methodologies in this emerging field.