caa a22 4500 605542767 CHVBK 20210128100923.0 cr unu---uuuuu 210128e20150301xx s 000 0 eng 10.1007/s10071-014-0826-0 doi (NATIONALLICENCE)springer-10.1007/s10071-014-0826-0 Social preferences influence the short-term exchange of social grooming among male bonobos [Elektronische Daten] [Martin Surbeck, Gottfried Hohmann] The emotional mediation hypothesis proposes a mediating role of social bonds in the exchange of services. This model predicts that the form of short-term exchange of services depends on the relationship between the individuals involved. Here, we test this prediction in the exchange of grooming among males in a wild bonobo community for which close relatedness could be excluded. As bonobo males hardly engage in food sharing or agonistic support, grooming is mainly exchanged for grooming. While overall grooming, both given and received, correlates across dyads and within sessions, the form of grooming exchange within a given session differs according to dyadic association preferences. Individuals with a higher tendency to associate, ergo more familiar individuals, exhibit larger time differences and reduced reciprocation in consecutive grooming bouts than less familiar individuals. These results support the idea that emotional components are involved in the exchange of services between unrelated individuals. Springer-Verlag Berlin Heidelberg, 2014 Social bonds nationallicence Emotional mediation hypothesis nationallicence Reciprocity nationallicence Short-term contingency nationallicence Tit-for-tat nationallicence Grooming nationallicence Primates, great apes nationallicence Pan paniscus nationallicence Altruism nationallicence Biological market nationallicence Surbeck Martin Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany aut Hohmann Gottfried Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany aut Animal Cognition Springer Berlin Heidelberg 18/2(2015-03-01), 573-579 1435-9448 18:2<573 2015 18 10071 https://doi.org/10.1007/s10071-014-0826-0 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10071-014-0826-0 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Surbeck Martin Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany aut NATIONALLICENCE 700 1- Hohmann Gottfried Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany aut NATIONALLICENCE 773 0- Animal Cognition Springer Berlin Heidelberg 18/2(2015-03-01), 573-579 1435-9448 18:2<573 2015 18 10071