A socio-ecological perspective on the gestural communication of great ape species, individuals, and social units

Kirsty Graham, Gal Badihi, Alexandra Safryghin, Charlotte Grund, Catherine Hobaiter

Research output: Contribution to journalReview articlepeer-review

14 Citations (Scopus)
11 Downloads (Pure)

Abstract

Over the last 30 years, most research on non-human primate gestural communication has been produced by psychologists, which has shaped the questions asked and the methods used. These researchers have drawn on concepts from philosophy, linguistics, anthropology, and ethology, but despite these broad influences the field has neglected to situate gestures into the socio-ecological context in which the diverse species, individuals, and social-units exist. In this review, we present current knowledge about great ape gestural communication in terms of repertoires, meanings, and development. We fold this into a conversation about variation in other types of ape social behaviour to identify areas for future research on variation in gestural communication. Given the large variation in socio-ecological factors across species and social-units (and the individuals within these groups), we may expect to find different preferences for specific gesture types; different needs for communicating specific meanings; and different rates of encountering specific contexts. New tools, such as machine-learning based automated movement tracking, may allow us to uncover potential variation in the speed and form of gesture actions or parts of gesture actions. New multi-group multi-generational datasets provide the opportunity to apply analyses, such as Bayesian modelling, which allows us to examine these rich behavioural landscapes. Together, by expanding our questions and our methods, researchers may finally be able to study great ape gestures from the perspective of the apes themselves and explore what this gestural communication system reveals about apes’ thinking and experience of their world.
Original languageEnglish
Pages (from-to)235-259
Number of pages25
JournalEthology Ecology & Evolution
Volume34
Issue number3
Early online date27 Jan 2022
DOIs
Publication statusPublished - 2022

Keywords

  • Ethology
  • Gesture
  • Primate
  • Pan
  • Gorilla
  • Pongo

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