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The social correlates of self-directed behaviour and faecal glucocorticoid levels among adult male olive baboons (Papio hamadryas anubis) in Gashaka-Gumti National Park, Nigeria
Item type: Journal Article • Journal: African Zoology • Authors: Jacklyn J. Ellis --- Centre for Research in Evolutionary Anthropology, Roehampton University, U.K. Ann M. MacLarnon --- Centre for Research in Evolutionary Anthropology, Roehampton University, U.K. Michael Heistermann --- Reproductive Biology Unit, German Primate Centre, Germany Stuart Semple --- Centre for Research in Evolutionary Anthropology, Roehampton University, U.K.Sociality confers many benefits to gregarious animals, but group-living does not come without associated costs. Social living can cause anxiety, which if prolonged can lead to stress. We investigate correlates of anxiety and stress among wild adult male olive baboons... -
Dominance rank and self-scratching among wild female Barbary macaques (Macaca sylvanus)
Item type: Journal Article • Journal: African Zoology • Authors: Stefano S.K. Kaburu --- Centre for Research in Evolutionary and Environmental Anthropology, University of Roehampton, U.K. Ann MacLarnon --- Centre for Research in Evolutionary and Environmental Anthropology, University of Roehampton, U.K. Bonaventura Majolo --- School of Psychology, University of Lincoln, Brayford Pool, U.K. Mohamed Qarro --- École Nationale Forestiére d’Ingénieurs, Avenue Moulay Yousseff, BP 511, Morocco Stuart Semple --- Centre for Research in Evolutionary and Environmental Anthropology, University of Roehampton, U.K.Measuring rates of self-scratching provides a powerful index of anxiety in non-human primates, and investigating the relationship between self-scratching and dominance rank can shed light on the ‘emotional costs’ of holding different positions in the hierarchy. Here we explored the...