The Ape Social Mind Lab
Cédric Girard-Buttoz


Cédric Girard-Buttoz is a post-doctoral researcher at the Max Planck Institute for Evolutionary Anthropology (MPI EVA) and at the ISC CNRS in Lyon. His research aims at understanding the evolution of non-human primate sociality with a particular focus on cooperation, socio-cognition and communication. His work is conducted in the wild using a combination of non-invasive behavioural, physiological and field experiment approaches. He obtained his PhD at the German Primate Center and the University of Göttingen in 2013 on the physiological and behavioural cost of mating effort in wild macaques. He then conducted two post-docs at the MPI EVA, first comparing social and cooperation structures and social cognition between wild bonobos and wild chimpanzees. He then investigated the behavioural and physiological costs of maternal loss in wild chimpanzees as part of Catherine Crockford’s ERC grant ‘ApeAttachment’. At the beginning of 2021 he took up a new post-doctoral position as part of a Max Planck collaboration, in the Evolution of Brain Connectivity Project, on the complexity of primate vocal communication and correlates with relevant white matter tract size and projections. This project is comparative, operating at species, population, individual and ontogenetic levels.

  • Cèdric Girard-Buttoz, Patrick J. Tkaczynski, Liran Samuni, Pawel Fedurek, Cristina Gomes, Therese Löhrich, Virgile Manin, Anna Preis, Prince Valè, Tobias Deschner, Roman M. Wittig, Catherine Crockford
    Early maternal loss affects diurnal cortisol slopes in immature but not mature wild chimpanzees
    Elife, (2021), doi: 10.7554/eLife.64134
  • Prince D. Valè, Jean-Claude K. Bènè, Antoine K. N'Guessan, Catherine Crockford, Tobias Deschner, Inza Konè, Cèdric Girard-Buttoz, Roman M. Wittig
    Energetic management in wild chimpanzees (Pan troglodytes verus) in Taï National Park, Côte d'Ivoire
    Behavioral Ecology and Sociobiology, Vol: 75, (2020), doi: 10.1007/s00265-020-02935-9
  • Cèdric Girard-Buttoz, Martin Surbeck, Liran Samuni, Christophe Boesch, Barbara Fruth, Catherine Crockford, Gottfried Hohmann, Roman M. Wittig
    Variable use of polyadic grooming and its effect on access to social partners in wild chimpanzees and bonobos
    Animal Behaviour, 211--224, Vol: 168, (2020), doi: 10.1016/j.anbehav.2020.08.021
  • Cèdric Girard-Buttoz, Martin Surbeck, Liran Samuni, Patrick Tkaczynski, Christophe Boesch, Barbara Fruth, Roman M. Wittig, Gottfried Hohmann, Catherine Crockford
    Information transfer efficiency differs in wild chimpanzees and bonobos, but not social cognition
    Proceedings of the Royal Society B: Biological Sciences, 20200523, Vol: 287, (2020), doi: 10.1098/rspb.2020.0523
  • Patrick J. Tkaczynski, Verena Behringer, Corinne Y. Ackermann, Pawel Fedurek, Barbara Fruth, Cèdric Girard-Buttoz, Catherine Hobaiter, Sean M. Lee, Therese Löhrich, Anna Preis, Liran Samuni, Zinta Zommers, Klaus Zuberbühler, Tobias Deschner, Roman M. Wittig, Gottfried Hohmann, Catherine Crockford
    Patterns of urinary cortisol levels during ontogeny appear population specific rather than species specific in wild chimpanzees and bonobos
    Journal of Human Evolution, 102869, Vol: 147, (2020), doi: 10.1016/j.jhevol.2020.102869
  • Surbeck, M., Boesch, C., Girard-Buttoz, C., Crockford, C., Hohmann, G., & Wittig, R. M.
    Erratum: Comparison of male conflict behavior in chimpanzees (Pan troglodytes) and bonobos (Pan paniscus), with specific regard to coalition and post-conflict behavior.
    American Journal of Primatology, e23075, Vol: 81, (2019)

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