EFP 2026

Botanic Institute Coffee

Botany lecture hall - Botanic InstitutePLENARY 3

Chairs: TBC

• KN-03 - Tracing cooperation across ape societies
  Liran SAMUNI (German Primate Center, Göttingen, Germany)

---

Flash talks

Chairs: TBC

• FT-07 - Does female mate preference change during ovulation? Insights from salivary hormone measures in wild vervet monkeys
  Maria GRANELL RUIZ (ECO-ETHOLOGY, University Neuchâtel, Neuchâtel, Switzerland)

• FT-08 - Nipple manipulation and sub-adult suckling in a group of orphaned chimpanzees (Pan troglodytes verus) in a sanctuary environment
  Claire MAWDSLEY (Faculty of Arts, Humanities, and Social Sciences, Oxford Brookes University, Oxford, United Kingdon)

• FT-09 - Guinea baboons strategically use punishment and partner choice to promote cooperation
  Rayanne MARTIN (CRPN, Aix-Marseille Université, Marseille, France)

• FT-10 - ABO blood group typing in primates and verification of a point-of-care technique for use in great apes and gibbons
  Natasja DE GROOT (Genetics group, BPRC, Rijswijk, Netherlands)

• FT-11 - Gastrointestinal parasites of black lion tamarins (leontopithecus chrysopygus) along a gradient of anthropogenic disturbances
  Olga SZCZODRY (Behavioural Biology Unit/ RU SPHERES, Liège University, Liège, Belgium)

• FT-12 - Humans and chimpanzees use the same plants to treat the same symptoms (Taï: Southwest, Côte d’Ivoire)
  Alphonse BI ZAH (Centre Suisse de Recherche Scientifique en Côte d’Ivoire, Abidjan, Côte d’Ivoire ;)

Botanic InstituteCoffee break

PARALLEL SESSIONS

Auditorium - MSH-SudSymposium 4

The levels of power: from individual behavioral strategies to systemic social inequality

Chairs: Eve Davidian and Daniel Redhead

• Introduction to the symposium
  Eve DAVIDIAN (Evolutionary Anthropology, ISEM, University of Montpellier, Montpellier, France)

• S4-01 - Voluntary servitude vs. revolutionary coalitions: when and why subordinates accept or reject rank-related differences and inequality
  Bonaventura MAJOLO (School of Psychology, Sport Science & Wellbeing, University of Lincoln, Lincoln, United Kingdom)

• S4-02 - Intersubjective representations of dominance hierarchy in macaques
  Romain LIGNEUL (Centre de Recherche en Neuroscience de Lyon, INSERM, Bron, France)

• S4-03 - The network structure of leadership behaviours among Taiwanese children
  Daniel REDHEAD (Department of Sociology, University of Groningen, Groningen, Netherlands)

• S4-04 - Mechanisms of reproductive inequality in chimpanzees: a developmental perspective
  Leveda CHENG (School of Psychology and Neuroscience, University of St Andrews, St Andrews, United Kingdom)

• S4-05 - Maintaining the balance of power within animal groups through levelling behaviours
  Danai PAPAGEORGIOU (Humboldt University of Berlin, Berlin, Germany)

• S4-06 - Social status as a developmental process in wild vervet monkeys: beyond maternal inheritance
  Chloé VILETTE (Psychology, University of Lethbridge, Lethbridge, Canada)

• S4-07 - Dominance hierarchies are structured similarly in females and males across primate groups
  Lucas SPICHER (Laboratory of Cognitive and Adaptative Neurosciences (LNCA), University of Strasbourg, Strasbourg, France)

• S4-08 - Fluctuations in hierarchical steepness: Analysis of temporal, environmental, and demographic variations in wild chacma baboons (Papio ursinus)
  Florian GUYADER (ISEM, Université des Sciences de Montpellier, Montpellier, France)

• S4-09 - They got great personality - individual differences in hierarchical behavior in Chacma baboons
  Tal KLEINHAUSE-GEDALYAHOU GOLDMAN (Institute of Evolutionary Science of Montpellier (ISEM), University of Montpellier, Montpellier, France)

• S4-10 - The effects of dominance rank on male reproductive success in social mammals
  Dieter LUKAS (Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany)

Roundtable discussion

Chairs: Eve DAVIDIAN & Daniel REDHEAD

Botany lecture hall - Botanic InstituteCommunication (2)

Chairs: TBC

• C-07 - Effects of risk and cost of misunderstandings on the use of stereotypical facial communication
  Peter CLARK (School of Psychology, Sport Sciences and Wellbeing, University of Lincoln, Lincoln, United Kingdom)

• C-08 - Emergence of individual singing patterns through rhythmic analyses and recurrence plots
  Marco GAMBA (Life Sciences and Systems Biology, University of Torino, Torino, Torino, Italy)

• C-09 - Dual sound sources in siamangs generate rhythmic vocal emissions
  Lia LAFFI (University of Turin, Turin, Italy)

• C-10 - Collective rhythm in non-human primate duet singing
  Silvia LEONETTI (Department of Life Sciences and Systems Biology, University of Turin, Torino, Italy)

• C-11 - When the foot replaces the infant: a case for communicative pretending in Barbary macaques?
  Clémence LOCHIN (Laboratoire Eco-anthropologie (EA), UMR 7206, MNHN, CNRS, Université Paris Cité, Paris, France)

• C-12 - Social influence on multimodal communication in a Neotropical primate
  Sabrina NASCIMENTO (Laboratory of Ethnobiology, Ethology and Conservation, Federal Rural University of Pernambuco, Recife, Pernambuco, Brazil)

• C-13 - Communicative efforts to solve conflicts are shaped by relationship value, emotions, and risk in wild geladas
  Luca PEDRUZZI (Centre d’Etude en Ethologie et Cognition (CEEC) - U.M.R 6552, Université de Rennes, Rennes, France )

Panathénées room - MSH-SudBehavioral ecology (2)

Chairs: TBC

• BE-06 - How a landscape of fear shapes chimpanzee foraging across territorial boundaries
  Noah ATKIN (Cooperative Evolution, German Primate Center, Göttingen, Germany)

• BE-07 - Socioecology and the role of scramble competition
  Andreas BERGHÄNEL (Zoology and animal ecology, University of Hildesheim, Hildesheim, Germany)

• BE-08 - Rock with me: how social interaction shapes spontaneous motor tempo in Baboons’ stone rubbing
  Siham BOUZIANE (CRPN, UMR 7077, AMU, CNRS, Marseille, France)

• BE-09 - Risk-taking in grey mouse lemurs (Microcebus murinus)
  Heike LAHUSEN (xx)

• BE-10 - Risk-prone foraging and social-grouping in eastern chimpanzees (P. t. schweinfurthii)
  Harmonie KLEIN (Wild Minds lab, University of St Andrews, School of Psychology and Neuroscience, St Andrews, United Kingdom)

• BE-11 - Interactional success: the use of repair mechanisms in East African chimpanzees
  Kayla KOLFF (Osnabrück University, Osnabrück, Germany)

• BE-12 - Approach me if you can! How social density, composition and behavioural state modulate approach decisions in crested macaques (Macaca nigra)
  Adam PROVIN (UMR7206 Eco Anthropology, Muséum National d'Histoire Naturelle - CNRS, Paris, France)

Kouros room - MSH-SudEvolution and phylogeny (1)

Chairs: TBC

• EP-01 - Evolutionary origin of Tarsius pelengensis
  Miguel CAMACHO SÁNCHEZ (iomE, Anthropology, Johannes Gutenberg Universität Mainz, Mainz, Germany)

• EP-02 - Demographic buffering of adult mortality in primates: evidence from a comparative life-history study across mammals
  Jad DAOU (Primate Behavior and Evolution, Max Planck Institute for Evolutionary Anthropology, Leipzig, Sachsen, Germany)

• EP-03 - Beyond pedigrees: realised relatedness shapes social behaviour in rhesus macaques
  Annika FREUDIGER (Leipzig University, Leipzig, Germany)

• EP-04 - Ancestral range estimation and population structure of Sulawesi tarsiers
  Laura HAGEMANN (Johannes Gutenberg University, Mainz, Germany)

• EP-05 - Neither the Andean night monkey is entirely Andean, nor is the Caribbean night monkey entirely Caribbean: Phylogeography of night monkeys in northern South America
  Sebastián MONTILLA (Laboratorio de Ecología de Bosques Tropicales y Primatología, Fundación Proyecto Primates Colombia, Bogotá D.C., Colombia)

• EP-06 - Cochlear evolution in primates: assessing the influence of phylogeny and functional requirements
  Myriam MARSOT (UMR 6282 CNRS/uBe/EPHE Biogéosciences, Université Bourgogne Europe, Dijon, France)

Botanic InstituteLunch