[en] Collective movement of social groups requires coordination between individuals. When cohesion is imperative, consensus must be reached, and specific individuals may exert disproportionate influence during decision-making. Animals living in multi-level societies, however, often split into consistent social subunits during travel, which may impact group coordination processes. We studied collective movement in the socially tolerant multi-level society of Guinea baboons (Papio papio). Using 146 group departures and 100 group progressions from 131 Guinea baboons ranging in Senegal’s Niokolo-Koba National Park, we examined individual success at initiating group departures and position within progressions. Two-thirds of attempted departures were initiated by adult males and one third by adult females. Both sexes were equally successful at initiating departures (> 80% of initiations). During group progressions, bachelor males were predominantly found in front, while reproductively active ‘primary’ males and females were observed with similar frequency across the whole group. The pattern of collective movement in Guinea baboons was more similar to those described for baboons living in uni-level societies than to hamadryas baboons, the only other multi-level baboon species, where males initiate and decide almost all group departures. Social organization alone therefore does not determine which category of individuals influence group coordination.
Disciplines :
Sciences de l’environnement & écologie
Auteur, co-auteur :
Montanari, Davide
O'Hearn, William
Hambuckers, Julien ; Université de Liège - ULiège > HEC Liège : UER > UER Finance et Droit : Finance de Marché
Fisher, Julia
Zinner, Dietmar
Langue du document :
Anglais
Titre :
Coordination during group departures and progressions in the tolerant multi-level society of wild Guinea baboons (Papio papio)
Date de publication/diffusion :
2021
Titre du périodique :
Scientific Reports
eISSN :
2045-2322
Maison d'édition :
Nature, London, Royaume-Uni
Volume/Tome :
11
Peer reviewed :
Peer reviewed vérifié par ORBi
Organisme subsidiant :
DFG - Deutsche Forschungsgemeinschaft Leibniz ScienceCampus
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