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Tkaczynski PJ, Mafessoni F, Girard-Buttoz C, Samuni L, Ackermann CY, Fedurek P, Gomes C, Hobaiter C, Löhrich T, Manin V, Preis A, Valé PD, Wessling EG, Wittiger L, Zommers Z, Zuberbuehler K, Vigilant L, Deschner T, Wittig RM, Crockford C. Shared community effects and the non-genetic maternal environment shape cortisol levels in wild chimpanzees. Commun Biol 2023; 6:565. [PMID: 37237178 DOI: 10.1038/s42003-023-04909-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 05/03/2023] [Indexed: 05/28/2023] Open
Abstract
Mechanisms of inheritance remain poorly defined for many fitness-mediating traits, especially in long-lived animals with protracted development. Using 6,123 urinary samples from 170 wild chimpanzees, we examined the contributions of genetics, non-genetic maternal effects, and shared community effects on variation in cortisol levels, an established predictor of survival in long-lived primates. Despite evidence for consistent individual variation in cortisol levels across years, between-group effects were more influential and made an overwhelming contribution to variation in this trait. Focusing on within-group variation, non-genetic maternal effects accounted for 8% of the individual differences in average cortisol levels, significantly more than that attributable to genetic factors, which was indistinguishable from zero. These maternal effects are consistent with a primary role of a shared environment in shaping physiology. For chimpanzees, and perhaps other species with long life histories, community and maternal effects appear more relevant than genetic inheritance in shaping key physiological traits.
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Affiliation(s)
- Patrick J Tkaczynski
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.
- Taï Chimpanzee Project, Centre Suisse de Recherches Scientifiques, Abidjan, Côte d'Ivoire.
- School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool, UK.
| | - Fabrizio Mafessoni
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.
- Weizmann Institute of Science, Department of Plant and Environmental Sciences, Rehovot, Israel.
| | - Cédric Girard-Buttoz
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
- Taï Chimpanzee Project, Centre Suisse de Recherches Scientifiques, Abidjan, Côte d'Ivoire
- The Ape Social Mind Lab, Institut des Sciences Cognitives, CNRS UMR 5229, Lyon, France
| | - Liran Samuni
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
- Taï Chimpanzee Project, Centre Suisse de Recherches Scientifiques, Abidjan, Côte d'Ivoire
- Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA
- Centre for Social Learning & Cognitive Evolution, School of Psychology & Neuroscience, University of St Andrews, St Andrews, UK
| | - Corinne Y Ackermann
- Universite de Neuchatel, Institut de Biologie, Cognition Compare, Neuchatel, Switzerland
| | - Pawel Fedurek
- Division of Psychology, University of Stirling, Stirling, UK
| | - Cristina Gomes
- Tropical Conservation Institute, Institute of Environment, College of Arts, Science and Education, Florida International University, Miami, FL, USA
| | - Catherine Hobaiter
- Centre for Social Learning & Cognitive Evolution, School of Psychology & Neuroscience, University of St Andrews, St Andrews, UK
| | - Therese Löhrich
- World Wide Fund for Nature, Dzanga Sangha Protected Areas, BP 1053, Bangui, Central African Republic
- Robert Koch Institute, Epidemiology of Highly Pathogenic Microorganisms, Berlin, Germany
| | - Virgile Manin
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
- Taï Chimpanzee Project, Centre Suisse de Recherches Scientifiques, Abidjan, Côte d'Ivoire
| | - Anna Preis
- Taï Chimpanzee Project, Centre Suisse de Recherches Scientifiques, Abidjan, Côte d'Ivoire
| | - Prince D Valé
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
- Taï Chimpanzee Project, Centre Suisse de Recherches Scientifiques, Abidjan, Côte d'Ivoire
- Unité de Formation et de Recherche Agroferesterie, Université Jean Lorougnon Guédé, Daloa, Côte d'Ivoire
| | - Erin G Wessling
- Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA
| | | | - Zinta Zommers
- Perry World House, University of Pennsylvania, Philadelphia, USA
| | - Klaus Zuberbuehler
- Universite de Neuchatel, Institut de Biologie, Cognition Compare, Neuchatel, Switzerland
| | - Linda Vigilant
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Tobias Deschner
- Institute of Cognitive Science, Comparative BioCognition, University of Osnabrück, Osnabrück, Germany
| | - Roman M Wittig
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
- Taï Chimpanzee Project, Centre Suisse de Recherches Scientifiques, Abidjan, Côte d'Ivoire
- The Ape Social Mind Lab, Institut des Sciences Cognitives, CNRS UMR 5229, Lyon, France
| | - Catherine Crockford
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
- Taï Chimpanzee Project, Centre Suisse de Recherches Scientifiques, Abidjan, Côte d'Ivoire
- The Ape Social Mind Lab, Institut des Sciences Cognitives, CNRS UMR 5229, Lyon, France
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2
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Lo LK, R R, Tewes LJ, Milutinović B, Müller C, Kurtz J. Immune Stimulation via Wounding Alters Chemical Profiles of Adult Tribolium castaneum. J Chem Ecol 2023; 49:46-58. [PMID: 36539674 PMCID: PMC9941273 DOI: 10.1007/s10886-022-01395-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 11/20/2022] [Accepted: 11/23/2022] [Indexed: 12/24/2022]
Abstract
Group-living individuals experience immense risk of disease transmission and parasite infection. In social and in some non-social insects, disease control with immunomodulation arises not only via individual immune defenses, but also via infochemicals such as contact cues and (defensive) volatiles to mount a group-level immunity. However, little is known about whether activation of the immune system elicits changes in chemical phenotypes, which may mediate these responses. We here asked whether individual immune experience resulting from wounding or injection of heat-killed Bacillus thuringiensis (priming) leads to changes in the chemical profiles of female and male adult red flour beetles, Tribolium castaneum, which are non-social but gregarious. We analyzed insect extracts using GC-FID to study the chemical composition of (1) cuticular hydrocarbons (CHCs) as candidates for the transfer of immunity-related information between individuals via contact, and (2) stink gland secretions, with analysis of benzoquinones as main active compounds regulating 'external immunity'. Despite a pronounced sexual dimorphism in CHC profiles, wounding stimulation led to similar profile changes in males and females with increases in the proportion of methyl-branched alkanes compared to naïve beetles. While changes in the overall secretion profiles were less pronounced, absolute amounts of benzoquinones were transiently elevated in wounded compared to naïve females. Responses to priming were insignificant in CHCs and secretions. We suggest that changes in different infochemicals after wounding may mediate immune status signaling in the context of both internal and external immune responses in groups of this non-social insect, thus showing parallels to social immunity.
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Affiliation(s)
- Lai Ka Lo
- grid.5949.10000 0001 2172 9288Institute for Evolution and Biodiversity, University of Münster, Hüfferstr. 1, 48149 Münster, Germany
| | - Reshma R
- grid.5949.10000 0001 2172 9288Institute for Evolution and Biodiversity, University of Münster, Hüfferstr. 1, 48149 Münster, Germany
| | - Lisa Johanna Tewes
- grid.7491.b0000 0001 0944 9128Department of Chemical Ecology, Bielefeld University, Universitätsstr. 25, 33615 Bielefeld, Germany
| | - Barbara Milutinović
- grid.5949.10000 0001 2172 9288Institute for Evolution and Biodiversity, University of Münster, Hüfferstr. 1, 48149 Münster, Germany
| | - Caroline Müller
- grid.7491.b0000 0001 0944 9128Department of Chemical Ecology, Bielefeld University, Universitätsstr. 25, 33615 Bielefeld, Germany
| | - Joachim Kurtz
- Institute for Evolution and Biodiversity, University of Münster, Hüfferstr. 1, 48149, Münster, Germany.
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3
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Behringer V, Berghänel A, Deschner T, Lee SM, Fruth B, Hohmann G. Transition to siblinghood causes a substantial and long-lasting increase in urinary cortisol levels in wild bonobos. eLife 2022; 11:77227. [PMID: 36040310 PMCID: PMC9489214 DOI: 10.7554/elife.77227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 08/29/2022] [Indexed: 11/26/2022] Open
Abstract
In animals with slow ontogeny and long-term maternal investment, immatures are likely to experience the birth of a younger sibling before reaching maturity. In these species, the birth of a sibling marks a major event in an offspring’s early life as the older siblings experience a decrease in maternal support. The transition to siblinghood (TTS) is often considered to be stressful for the older offspring, but physiological evidence is lacking. To explore the TTS in wild bonobos, we investigated physiological changes in urinary cortisol (stress response), neopterin (cell-mediated immunity), and total triiodothyronine (T3, metabolic rate), as well as changes in behaviors that reflect the mother–offspring relationship. Following a sibling’s birth, urinary cortisol levels of the older offspring increased fivefold, independent of their age, and remained elevated for 7 months. The cortisol level increase was associated with declining neopterin levels; however, T3 levels and behavioral measures did not change. Our results indicate that the TTS is accompanied by elevated cortisol levels and that this change does not coincide with nutritional weaning and attainment of physical independence. Our results suggest that bonobos and humans experience TTS in similar ways and that this developmental event may have emerged in the last common ancestor.
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Affiliation(s)
- Verena Behringer
- Endocrinology Laboratory, German Primate Center, Leibniz Institute for Primate Research, Göttingen, Germany
| | - Andreas Berghänel
- Department of Interdisciplinary Life Sciences, University of Veterinary Medicine Vienna, Vienna, Germany
| | - Tobias Deschner
- Institute of Cognitive Science, University of Osnabrück, Osnabrück, Germany
| | - Sean M Lee
- Department of Anthropology, George Washington University, Washington, United States
| | - Barbara Fruth
- Max Planck Institute of Animal Behavior, Konstanz, Germany
| | - Gottfried Hohmann
- Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
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Social and sexual behaviors predict immune system activation, but not adrenocortical activation, in male rhesus macaques. Behav Ecol Sociobiol 2021. [DOI: 10.1007/s00265-021-03083-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Sonnweber R, Stevens JMG, Hohmann G, Deschner T, Behringer V. Blood testosterone levels in sickness and in health: Male chimpanzee testosterone levels decrease in face of an immune challenge. Am J Primatol 2021; 84:e23334. [PMID: 34662432 DOI: 10.1002/ajp.23334] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 09/11/2021] [Accepted: 09/25/2021] [Indexed: 11/08/2022]
Abstract
As an integral part of the immune response, testosterone secretion is inhibited when an individual is confronted with an immune challenge. Testosterone-mediated physiological, morphological, and behavioral traits are compromised at times of impaired health. Nevertheless, males of some species seem to maintain high levels of testosterone when confronted with an immune challenge, upholding competitive strength but compromising their immune response. It has been argued that this phenomenon will occur only in species living in social systems with high degrees of male-male competition over mating opportunities. Male chimpanzees contest over access to fertile females and dominants sire the majority of offspring. This male mating pattern makes chimpanzees a candidate species where we could expect males to maintain high testosterone levels, compromising their immune response, to ensure immediate reproductive success. We measured blood testosterone levels in male and female chimpanzees, who expressed clinical symptoms (symptomatic) or showed no evidence of clinical disease on assessment (asymptomatic). For females, we expected to find lower testosterone levels in symptomatic individuals than in asymptomatic subjects. In males, we would predict lower testosterone levels in symptomatic individuals than in asymptomatic males, if the immune response leads to a decrease in testosterone secretion. Alternatively, males could have equal levels of testosterone when symptomatic and asymptomatic, upholding competitive strength. Our results show that male chimpanzees exhibit lower levels of testosterone when confronted with an immune challenge than when being asymptomatic. This suggests that male testosterone secretion is suppressed as part of the immune response, which potentially increases survival and lifetime reproductive success. It will, however, negatively impact momentary competitive ability. Also, males may employ different mating strategies, some of which are less testosterone-driven (e.g., affiliative strategies). Consequently, in some individuals, the costs of maintaining high testosterone levels may not outweigh the potential gain in reproductive success.
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Affiliation(s)
- Ruth Sonnweber
- Department of Behavioral and Cognitive Biology, Faculty of Life Sciences, University of Vienna, Vienna, Austria
| | - Jeroen M G Stevens
- Department of Biology, Behavioral Ecology and Ecophysiology, University of Antwerp, Wilrijk, Belgium.,SALTO, Agro- and Biotechnology, Odisee University College, Brussels, Belgium
| | - Gottfried Hohmann
- Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Tobias Deschner
- Interim Group Primatology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Verena Behringer
- Interim Group Primatology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.,Endocrinology Laboratory, German Primate Center, Leibniz Institute for Primate Research, Göttingen, Germany
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6
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Lonsdorf EV, Travis DA, Raphael J, Kamenya S, Lipende I, Mwacha D, Collins DA, Wilson M, Mjungu D, Murray C, Bakuza J, Wolf TM, Parsons MB, Deere JR, Lantz E, Kinsel MJ, Santymire R, Pintea L, Terio KA, Hahn BH, Pusey AE, Goodall J, Gillespie TR. The Gombe Ecosystem Health Project: 16 years of program evolution and lessons learned. Am J Primatol 2021; 84:e23300. [PMID: 34223656 PMCID: PMC8727649 DOI: 10.1002/ajp.23300] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 06/01/2021] [Accepted: 06/15/2021] [Indexed: 12/30/2022]
Abstract
Infectious disease outbreaks pose a significant threat to the conservation of chimpanzees (Pan troglodytes) and all threatened nonhuman primates. Characterizing and mitigating these threats to support the sustainability and welfare of wild populations is of the highest priority. In an attempt to understand and mitigate the risk of disease for the chimpanzees of Gombe National Park, Tanzania, we initiated a long-term health-monitoring program in 2004. While the initial focus was to expand the ongoing behavioral research on chimpanzees to include standardized data on clinical signs of health, it soon became evident that the scope of the project would ideally include diagnostic surveillance of pathogens for all primates (including people) and domestic animals, both within and surrounding the National Park. Integration of these data, along with in-depth post-mortem examinations, have allowed us to establish baseline health indicators to inform outbreak response. Here, we describe the development and expansion of the Gombe Ecosystem Health project, review major findings from the research and summarize the challenges and lessons learned over the past 16 years. We also highlight future directions and present the opportunities and challenges that remain when implementing studies of ecosystem health in a complex, multispecies environment.
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Affiliation(s)
- Elizabeth V Lonsdorf
- Department of Psychology and Biological Foundations of Behavior Program, Franklin & Marshall College, Lancaster, Pennsylvania, USA
| | - Dominic A Travis
- Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota, USA
| | - Jane Raphael
- Gombe National Park, Tanzania Nationals Park, Kigoma, Tanzania
| | - Shadrack Kamenya
- Gombe Stream Research Center, The Jane Goodall Institute, Kigoma, Tanzania
| | - Iddi Lipende
- Tanzania Wildlife Research Institute, Arusha, Tanzania
| | - Dismas Mwacha
- Gombe Stream Research Center, The Jane Goodall Institute, Kigoma, Tanzania
| | - D Anthony Collins
- Gombe Stream Research Center, The Jane Goodall Institute, Kigoma, Tanzania
| | - Michael Wilson
- Departments of Anthropology and Ecology, Evolution and Behavior, University of Minnesota, St. Paul, Minnesota, USA
| | - Deus Mjungu
- Gombe Stream Research Center, The Jane Goodall Institute, Kigoma, Tanzania
| | - Carson Murray
- Center for the Advanced Study of Human Paleobiology, George Washington University, Washington, District of Columbia, USA
| | - Jared Bakuza
- College of Education, University of Dar es Salaam, Dar es Salaam, Tanzania
| | - Tiffany M Wolf
- Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota, USA
| | - Michele B Parsons
- Division of Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Jessica R Deere
- Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota, USA
| | - Emma Lantz
- California Department of Fish and Wildlife, Rancho Cordova, California, USA
| | - Michael J Kinsel
- Zoological Pathology Program, University of Illinois, Brookfield, Illinois, USA
| | - Rachel Santymire
- Davee Center for Epidemiology and Endocrinology, Lincoln Park Zoo, Chicago, Illinois, USA
| | | | - Karen A Terio
- Zoological Pathology Program, University of Illinois, Brookfield, Illinois, USA
| | - Beatrice H Hahn
- Departments of Medicine and Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Anne E Pusey
- Department of Evolutionary Anthropology, Duke University, Durham, North Carolina, USA
| | - Jane Goodall
- The Jane Goodall Institute, Vienna, Virginia, USA
| | - Thomas R Gillespie
- Departments of Environmental Sciences and Environmental Health and Program in Population Biology, Emory University, Atlanta, Georgia, USA
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Girard-Buttoz C, Tkaczynski PJ, Samuni L, Fedurek P, Gomes C, Löhrich T, Manin V, Preis A, Valé PF, Deschner T, Wittig RM, Crockford C. Early maternal loss leads to short- but not long-term effects on diurnal cortisol slopes in wild chimpanzees. eLife 2021; 10:e64134. [PMID: 34133269 PMCID: PMC8208813 DOI: 10.7554/elife.64134] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 05/19/2021] [Indexed: 12/18/2022] Open
Abstract
The biological embedding model (BEM) suggests that fitness costs of maternal loss arise when early-life experience embeds long-term alterations to hypothalamic-pituitary-adrenal (HPA) axis activity. Alternatively, the adaptive calibration model (ACM) regards physiological changes during ontogeny as short-term adaptations. Both models have been tested in humans but rarely in wild, long-lived animals. We assessed whether, as in humans, maternal loss had short- and long-term impacts on orphan wild chimpanzee urinary cortisol levels and diurnal urinary cortisol slopes, both indicative of HPA axis functioning. Immature chimpanzees recently orphaned and/or orphaned early in life had diurnal cortisol slopes reflecting heightened activation of the HPA axis. However, these effects appeared short-term, with no consistent differences between orphan and non-orphan cortisol profiles in mature males, suggesting stronger support for the ACM than the BEM in wild chimpanzees. Compensatory mechanisms, such as adoption, may buffer against certain physiological effects of maternal loss in this species.
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Affiliation(s)
- Cédric Girard-Buttoz
- Department of Human Behavior, Ecology and Culture, Max Planck Institute for Evolutionary AnthropologyLeipzigGermany
- Taï Chimpanzee Project, Centre Suisse de Recherches ScientifiquesAbidjanCôte d'Ivoire
| | - Patrick J Tkaczynski
- Department of Human Behavior, Ecology and Culture, Max Planck Institute for Evolutionary AnthropologyLeipzigGermany
- Taï Chimpanzee Project, Centre Suisse de Recherches ScientifiquesAbidjanCôte d'Ivoire
| | - Liran Samuni
- Taï Chimpanzee Project, Centre Suisse de Recherches ScientifiquesAbidjanCôte d'Ivoire
- Department of Primatology, Max Planck Institute for Evolutionary AnthropologyLeipzigGermany
- Department of Human Evolutionary Biology, Harvard UniversityCambridgeUnited States
| | - Pawel Fedurek
- Division of Psychology, University of StirlingStirlingUnited Kingdom
| | - Cristina Gomes
- Tropical Conservation Institute, Florida International UniversityMiamiUnited States
| | - Therese Löhrich
- World Wide Fund for Nature, Dzanga Sangha Protected AreasBanguiCentral African Republic
- Robert Koch Institute, Epidemiology of Highly Pathogenic MicroorganismsBerlinGermany
| | - Virgile Manin
- Department of Human Behavior, Ecology and Culture, Max Planck Institute for Evolutionary AnthropologyLeipzigGermany
- Taï Chimpanzee Project, Centre Suisse de Recherches ScientifiquesAbidjanCôte d'Ivoire
| | - Anna Preis
- Department of Primatology, Max Planck Institute for Evolutionary AnthropologyLeipzigGermany
| | - Prince F Valé
- Taï Chimpanzee Project, Centre Suisse de Recherches ScientifiquesAbidjanCôte d'Ivoire
- Department of Primatology, Max Planck Institute for Evolutionary AnthropologyLeipzigGermany
- Centre Suisse de Recherches Scientifiques en Côte d'IvoireAbidjanCôte d'Ivoire
- Unité de Formation et de Recherche Biosciences, Université Félix Houphouët BoignyAbidjanCôte d'Ivoire
| | - Tobias Deschner
- Interim Group Primatology, Max Planck Institute for Evolutionary AnthropologyLeipzigGermany
| | - Roman M Wittig
- Department of Human Behavior, Ecology and Culture, Max Planck Institute for Evolutionary AnthropologyLeipzigGermany
- Taï Chimpanzee Project, Centre Suisse de Recherches ScientifiquesAbidjanCôte d'Ivoire
| | - Catherine Crockford
- Department of Human Behavior, Ecology and Culture, Max Planck Institute for Evolutionary AnthropologyLeipzigGermany
- Taï Chimpanzee Project, Centre Suisse de Recherches ScientifiquesAbidjanCôte d'Ivoire
- Institut des Sciences Cognitives, CNRSLyonFrance
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