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    Under review

  • Duboscq, J.; Neumann, C.; Agil, M; Perwitasari-Farajallah, D.; Thierry, B.; Engelhardt, A.: Degrees of freedom in social bonds of tolerant primate females - submitted.

  • 2015

  • Higham, JP.; Kraus, C.; Stahl-Hennig, C.; Engelhardt, A.; Fuchs, D.; Heistermann, M. (2015): Evaluating non-invasive markers of non-human primate immune activation. Am J Phys Anthropol 158: 673-684.

  • Danish, LM.; Heistermann M.; Agil, M,; Engelhardt, A. (2015): Validation of a novel collection device for non-invasive urine sampling from free-ranging animals. Plos One 10: e0142051.

  • Micheletta, J.; Whitehouse, J.; Parr, L.A.; Marshman, P.; Engelhardt, A.; Waller, B.M. (2015): Familiar and unfamiliar face recognition in crested macaques. Royal Society Open Science. doi: 10.1098/rsos.150109 (Macaca nigra).

  • 2014

  • Kerhoas, D.; Perwitasari-Farajallah, D.; Agil, M.; Widdig, A.; Engelhardt, A. (2014): Social and ecological factors influencing offspring survival in wild macaques. Behavioral Ecology, doi:10.1093/beheco/aru099.

  • Duboscq, J.; Agil, M.; Engelhardt, A. ; Thierry, B. (2014): The function of post-conflict interactions: new prospects from the study of a tolerant species of primate. Animal Behaviour 87: 107-120.

  • 2013

  • Neumann, C; Agil, M.; Widdig, A.; Engelhardt, A.; (2013): Personality, of wild male crested Macaques (Macaca nigra), PLoS One, 8(8): e69383. doi:10.1371/journal.pone.006938375:763-73.

  • Micheletta, J.; Engelhardt, A.; Matthews, L.; Agil, M.; Waller, B.M.; (2013): Multicomponent and multimodal lipsmacking in crested macaques (Macaca nigra), American Journal of Primatology, 75:763-73.

  • Duboscq, J.; Micheletta, J.; Agil, M.; Hodges, JK.; Thierry, B.; Engelhardt, A. (2013): Social tolerance in wild female crested macaques, Macaca nigra in Tangkoko-Batuangus Nature Reserve, Sulawesi, Indonesia, American Journal of Primatology, 75:361-75.

  • 2012

  • Micheletta, J.; Waller, B.M.; Panggur, M.R.; Neumann C.; Duboscq J.; Agil, M.; Engelhardt, A. (2012): Social bonds affect anti-predator behaviour in a tolerant species of macaque, Macaca nigra, Proceedings Roy Soc B-Biol Sci 279:4042-4050.

  • Higham, J.P.; Heistermann, M.; Saggau, C.; Agil, M.; Perwitasari‐Farajallah, D.; Engelhardt, A.: Sexual signalling in female crested macaques and the evolution of primate fertility signals, BMC Evolutionary Biology 12: 89.

  • Palacios, J.F.G.; Engelhardt, A.; Agil, M.; Hodges, J.K.; Bogia, R.; Waltert, M. (2012): Status of, and conservation recommendations for, the Critically Endangered crested black macaque Macaca nigra in Tangkoko, Indonesia, Oryx 46: 290-297.

  • 2011

  • Neumann, C.; Duboscq, J.; Dubuc, C.; Ginting, A.; Irwan, A.M.; Agil, M., Widdig, A.; Engelhardt, A. (2011): Assessing dominance hierarchies: validation and advantages of progressive evaluation with Elo rating, Animal Behaviour 82: 911-921.

  • Palacios,J.F.G.; Engelhardt, A.; Agil, M.; Hodges, J.K., Bogia, R.; Waltert, M. (2011): Population status of crested black macaques (Macaca nigra) in the Tangkoko Nature Reserve, Sulawesi, Indonesia, Oryx, online.

  • 2010

  • Neumann, C.; Assahad, G.; Hammerschmidt, K.; Farajallah, D.P.; Engelhardt, A. (2010): Loud calls in male Macaca nigra – a signal of dominance in a tolerant primate species, Animal Behaviour 79: 187-193.

  • 2009

  • Duboscq, J.; Perwitasari-Farajallah, D.; Engelhardt, A. (2009): Social Interactions between Females in Wild Crested Macaques, Macaca nigra, Folia Primatologica, 80, 157.

  • Engelhardt, A.; Heistermann, M.; Perwitasari-Farajallah, D. (2009): Sex skin colouration in male Sulawesi crested black macaques (Macaca nigra), Primate Eye, 96, 337.

  • Neumann, C.; Assahad, G.; Hammerschmidt, K.; Perwitasari-Farajallah, D. ; Engelhardt, A. (2009): Male Sexual Signals in Crested Macaques (Macaca nigra), Folia Primatologica, 80, 1312.

  • Assahad, G.; Neumann, C.; Hammerschmidt, K.; Farajallah, D.P.; Engelhardt, A. (2008): Rank dependant differences in loud call frequency and structure in Sulawesi crested black macaques (Macaca nigra), Folia Primatologica, 79, 311.

  • Duboscq, J.; Neumann, C.; Perwitasari-Farajallah, D.; Engelhardt, A. (2008): Daytime birth of a baby crested black macaque (Macaca nigra) in the wild, Behavioural Processes 79: 8184.

  • Engelhardt, A.; Perwitasari-Farajallah, D. (2008): Reproductive biology of Sulawesi crested black macaques (Macaca nigra), Folia Primatologica, 79, 326.

  • Neumann, C.; Assahad, G.; Hammerschmidt, K.; Farajallah, D.P.; Engelhardt, A. (2008): Individual and contextual differences in loud calls of male crested black macaques, Macaca nigra, Folia Primatologica, 79, 366.


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