Publications

Under Review

Engelhardt, A.; Heistermann, M.; Agil, M.; Higham, JP.: Despotic male reproductive competition in a socially tolerant primate.

Marty P, Hodges JK, Agil M, Engelhardt A: Cost and benefit dependant migration strategies in male crested macaques (Macaca nigra).

Dubuc, C.; Higham, J.P.; Engelhardt, A.: Towards an understanding of the variation in mating strategies and sexually selected traits in multi-male anthropoid primates.

Danish, LM.; Heistermann, M.; Agil, M.; Engelhardt, A: Validation of a novel collection device for non-invasive urine sampling from free-ranging animals.

Higham, JP.; Kraus, C.; Stahl-Hennig, C.; Engelhardt, A.; Fuchs, D.; Heistermann, M.: Evaluating non-invasive markers of non-human primate immune activation.

2015

Marty, P.; Hodges, JK.; Agil, M.; Engelhardt, A.: Alpha male replacements and delayed dispersal in crested macaques (Macaca nigra).
Am J Primatol, in press

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

Adams, MJ.; Majolo, B.; Ostner, J.; Schülke, O.; De Marco, A.; Thierry, B.; Engelhardt, A.; Widdig, A.; Gerald, MS.; Weiss, A. (2015): Personality structure and social style in macaque.
J Personal Soc Psy, in press

Girard-Buttoz, C.; Heistermann, M.; Rahmi, E.; Agil, M.; Fauzan, P.A.; Engelhardt, A. (2015): Androgen correlates of male reproductive effort in wild male long-tailed macaques (Macaca fascicularis): A multi-level test of the challenge hypothesis.
Physiol Behav 141:143-153.

2014

Girard-Buttoz, C.; Heistermann, M.; Rahmi, E.; Agil, M.; Fauzan, P.A.; Engelhardt, A. (2014): Costs of mate-guarding in wild male long-tailed macaques (Macaca fascicularis): physiological stress and aggression.
Horm Behav 66(4): 637-648.

Kerhoas, D.; Perwitasari-Farajallah, D.; Agil, M.; Widdig, A.; Engelhardt, A.: Social and ecological factors influencing offspring survival in wild macaques. Behav Ecol 25(5): 1164-1172.

Girard-Buttoz, C.; Heistermann, M.; Rahmi, E.; Agil, M.; Fauzan, P.A.; Engelhardt, A.: Costs of and investment in mate-guarding in wild long-tailed macaques (Macaca fascicularis): influences of female characteristics and male-female social bonds. Int J Primatol 35: 701-724.

Girard-Buttoz, C.; Heistermann, M.; Rahmi, E.; Marzec, A.; Agil, M.; Fauzan, P.A.; Engelhardt,A. (2014): Mate-guarding constrains feeding activity but not energetic status of wild male long-tailed macaques (Macaca fascicularis). Behavioral Ecology and Sociobiology 68: 583-595.

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

Anandam,, M.; Bennett, E.L.; Davenport, T.R.B.; Davies, N.J.; Detwiler, K.M.; Engelhardt, A.; Eudey, A.A.; Gadsby, E.L.; Groves, C.P.; Healy, A.; Karanth, K.P.; Molur, S.; Nadler, T.; Richardson, M.C.; Riley, E.P.; Roos, C.; Rylands, A.B.; Sheeran, L.K.; Ting, N.; Wallis, J.; Waters, S.S.; Whittaker, D.; Zinner, D. (2013): Old World monkeys (Cercopithecidae) - species accounts. In: Mittermeier, R.A.; Rylands, A.B.; Wilson, D.E. (eds.). Handbook of the mammals of the world. Vol. 3. Primates. Barcelona: Lynx Edicions, 628-753.

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.

Neumann, C.; Agil, M., Widdig, A.; Engelhardt, A. (2013): Personality of wild male crested macaques (Macaca nigra). PLoS One. DOI 10.1371/journal.pone.0069383

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.

Dubuc, C.; Muniz, L.; Heistermann, M.; Widdig, A.; Engelhardt, A. (2012): Do males time their mate-guarding effort with the fertile phase in order to secure fertilisation in Cayo Santiago rhesus macaques? Hormones and Behavior 61: 696-705.

Higham, J.P.; Heistermann, M.; Saggau, C.; Agil, M.; Perwitasari‐Farajallah, D.; Engelhardt, A. (2012): Sexual signalling in female crested macaques and the evolution of primate fertility signals. BMC Evolutionary Biology 12: 89.

Dubuc, C.; Hughes, K.D.; Cascio, J.; Santos, L. (2012): Social tolerance in a despotic primate: co-feeding between consortship partners in rhesus macaques, American Journal of Physical Anthropology 148: 73-80.

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.

Engelhardt, A.; Fischer, J.; Neumann, C.; Pfeifer, J.-B.; Heistermann, M. (2012): Information content of female copulation calls in wild long-tailed macaques (Macaca fascicularis). Behavioral Ecology and Sociobiology 66: 121-134.

2011

Mandalaywala, T.M.; Higham, J.P.; Heistermann, M.; Maestripeiri D. (2011): Infant bystanders modulate the effects of ovarian hormones on socio-sexual behaviour in free-ranging female rhesus macaques. Behaviour 148: 1137-1155.

Higham, J.P.; Girard-Buttoz, C.; Engelhardt, A.; Heistermann, M. (2011): Urinary c-peptide of insulin as a non-invasive marker of nutritional status: some practicalities. PLoS One 6: e22398.

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.

Dubuc, C.; Muniz, L.; Heistermann, M.; Engelhardt A.; Widdig, A. (2011): Testing the Priority-of Access model in a seasonally breeding primate species (Macaca mulatta). Behavioral Ecology and Sociobiology 65: 1615-27.

Higham, J.P.; Hughes, K.D.; Brent, L.J.N.; Dubuc, C.; Engelhardt, A.; Heistermann, M.; Maestriperi, D.; Santos, L.R.; Stevens, M. (2011): Familiarity affects assessment of facial signals of female fertility by free-ranging male rhesus macaques. Proceedings Roy Soc B-Biol Sci 278: 3452-58.

Brent, L.J.N.; Semple, S.; Dubuc, C.; Heistermann, M.; MacLarnon (2011): Social capital and physiological stress levels in adult female rhesus macaques. Physiology & Behavior 102: 76-83.

Higham, J.P.; Heistermann, M.; Maestripieri, D. (2011). The energetics of male-male endurance rivalry in free-ranging rhesus macaques, Macaca mulatta. Animal Behaviour 81: 1001-1007.

Girard-Buttoz, C.; Higham, J.P.; Heistermann, M.; Wedegärtner, S.; Maestriperi, D.; Engelhardt,A. (2011): Urinary c-peptide measurement as a marker of nutritional status in macaques, PLoS One 6: e18042.

2010

Higham, J.P.; Brent, L.; Dubuc, C.; Accamando, A.; Engelhardt, A.; Gerald, M.; Heistermann, M.; Stevens, M. (2010): Colour signal information content and the eye of the beholder: a case study in the rhesus macaque. Behavioral Ecology 21: 739-746.

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

Dubuc, C.; Brent, L.J.N.; Accamando, A.K.; Gerald, M.S.; MacLarnon, A.; Semple, S.; Heistermann, M.; Engelhardt, A. (2009): Sexual skin color contains information about the timing of the fertile phase in free-ranging rhesus macaques, International Journal of Primatolgy 30: 777-789.

Girard-Buttoz, C.; Heistermann, M.; Krümmel, S.; Engelhardt, A. (2009): Seasonal and social influences on fecal androgen and glucocorticoid excretion in wild male long-tailed macaques (Macaca fascicularis). Physiology and Behavior 98: 168-175.