Publications

In press

Behringer V, Deimel C, Ostner J, Fruth B, Sonnweber B (in press) Modulation of cell mediated immunity during pregnancy in wild bonobos. Biology Letters
Eppley TM .…Ostner J, Schülke O… et al. (in press) Tropical field stations yield high conservation return on investment. Conservation Letters https://doi.org/10.1111/conl.13007

In preprint

De Moor D, MacaqueNet, Skelton M, Schülke O, Ostner J, Neumann C, Duboscq J & Brent L (2023) MacaqueNet: big-team research into the biological drivers of social relationships. bioRxiv, https://doi.org/10.1101/2023.09.07.552971
Perea-Garcia Garcia JO, Ostner J, Schülke O, Kaburu S, Majolo B, Marechal L, Jose-Dominguez J-M, Gazagne E, Ruppert N, Micheletta J, Beltran-Frances V, Castellano-Navarro A, Gupta S, Bourjade M, Massen J, Böhm P, Pflüger L, Duran E, Hobaiter C, Monteiro A J et al. (2023) Ecological functions drive variation in external eye appearance across macaques.
Authorea. https://doi.org/10.22541/au.169807565.50738289/v1
Vogg R, Lüddecke T, Henrich J, Dey S, Nuske M, Hassler V, Murphy D, Fischer J, Ostner J, Schülke O, Kappeler PM, Fichtel C, Gail A, Treue S, Scherberger H, Wörgötter F (2024) Trends in computer vision for animal behavior analysis in the wild. arXiv. https://doi.org/10.48550/arXiv.2401.16424

2024

Sadoughi B, Mundry R, Schülke O, Ostner J (2024) Social network shrinking is explained by active and passive effects but not increasing selectivity with age in wild macaques. Proceedings of the Royal Society B, 291
Schülke O, Berghänel A, Rathke EM & Ostner J (2024) Male Barbary macaques choose loyal coalition partners which may increase their coalition network betweenness. Ethology 130, e13413. https://doi.org/10.1111/eth.13413
Schülke O, Ostner J (2024) A central role for stressor appraisal in the social dimensions of health and aging in primates. Neuroscience and Biobehavioral Reviews 159, https://doi.org/10.1016/j.neubiorev.2024.105596

2023

Adret P, Clink DJ, Dolotovskaya S (2023) Editorial: Duetting and turn-taking patterns of singing mammals: from genes to vocal plasticity, and beyond. Frontiers in Ecology and Evolution 11
Anzà S, Schneider D, Daniel R. Heistermann M, Sangmaneedet S, Ostner J, Schülke O (2023) The long-term gut bacterial signature of a wild primate is associated with timing effect of pre- and postnatal maternal glucocorticoid levels. Microbiome 11, 165
Behringer V, Heistermann M, Malaivijitnond S, Schülke O, Ostner J (2023) Developmental and environmental modulation of fecal thyroid hormone levels in wild Assamese macaques (Macaca assamensis). American Journal of Primatology e23530
Cheng J, Gerpott F, Benson, A, Buckner B, Foulsham T, Lansu T, Schülke O & Tsuchiya, K. (2023). Eye gaze and visual attention as a window into leadership and followership: A review of empirical insights and future directions. The Leadership Quarterly 34, 6
Ganzhorn JU, Ratovonamana YR, Rother M, Giertz P, Andrews CA, Baumann S, Bohr YE-MB, Kappeler PM, Montero BK, Pommerening-Röser A, Radespiel U, Rakotondranary SJ, Schülke O, Steffens KJE, Thorén S, Timmermann G, Tomaschewski I (2023) Nutritional and possible pharmaceutical aspects of tree exudates eaten by lemurs of Madagascar’s dry forests. Separations 10: 575
Nurmi NO, Sonnweber R, Schülke O, Moscovice LR, Deschner T, Hohmann G (2023) Bonobo mothers have elevated urinary cortisol levels during early but not mid or late lactation. Primates 64 (2): 215-225.
Rafiee Y, Stern J, Ostner J, Penke L & Schacht A. (2023). Does emotion recognition change across phases of the ovulatory cycle? Psychoneuroendocrinology 148, 105977
Tesar K, Heymann EW & Dolotovskaya S (2023) A comparison of scan and focal sampling in estimating activity budgets, diet composition, and proximity patterns of a wild pair-living primate. Folia Primatologica 94 (4-6): 249-263

2022

Anzà S, Berghänel A, Julia Ostner, Oliver Schülke (2022) Growth trajectories of wild Assamese macaques (Macaca assamensis) determined from parallel laser photogrammetry. Mammalian Biology https://doi.org/10.1007/s42991-022-00262-2
Eppley TM, Hoeks S, Chapman CA, Ganzhorn JU, Hall K, Owen MA, Adams DB, Allgas N, Amato KR, Andriamahaihavana M, Aristizabal JF, Baden AL, Balestri M, Barnett A, Bicca-Marques J-C, Bowler M, Boyle SA, Brown M, Caillaud D, Calegaro-Marques C, Campbell CJ, Campera M, Campos FA, Cardoso TS, Carretero-Pinzón X, Champion J, Chaves OM, Chen-Kraus C, Colquhoun IC, Dean B, Dubrueil C, Ellis KM, Erhart EM, Evans KJE, Fedigan LM, Felton A, Ferreira RG, Fichtel C, Fonseca ML, Fontes IP, Fortes VB, Fumian I, Gibson D, Guzzo GB, Hartwell KS, Heymann EW, Hilário RR, Holmes SM, Irwin MT, Johnson SE, Kappeler PM, Kelley EA, King T, Knogge C, Koch F, Kowalewski MM, Lange LR, Lauterbur ME, Louis EE Jr, Lutz MC, Martínez J, Melin AD, de Melo FR, Mihaminekena TH, Mogilewsky MS, Moreira LS, Moura LA, Muhle CB, Nagy-Reis MB, Norconk MA, Notman H, O’Mara MT, Ostner J, Patel ER, Pavelka MSM, Pinacho-Guendulain B, Porter LM, Pozo-Montuy G, Raboy BE, Rahalinarivo V, Raharinoro NA, Rakotomalala Z, Ramos-Fernández G, Rasamisoa DC, Ratsimbazafy J, Ravaloharimanitra M, Ravaloharimanitra J, Razanaparany TP, Righini N, Robson NM, da Rosa Gonçalves J, Sanamo J, Santacruz N, Sato H, Sauther ML, Scarry CL, Serio-Silva JC, Shanee S, de Souza Lins PGA, Smith AC, Smith Aguilar SE, Souza-Alves JP, Stavis VK, Steffens KJE, Stone AI, Strier KB, Talebi M, Tecot SR, Tujague MP, Tujague K, Van Belle S, Vasey N, Wallace RB, Welch G, Wright PC, Donati G, Santini L (2022) Factors influencing terrestriality in primates from the Americas and Madagascar. Proceedings of the National Academy of Sciences 119, e2121105119, https://doi.org/10.1073/pnas.2121105119
Miss F, Sadoughi B, Meunier H, Burkart J (2022) Individual differences in co-representation in three monkey species (Callithrix jacchus, Sapajus apella and Macaca tonkeana) in the joint Simon task: the role of social factors and inhibitory control. Animal Cognition https://doi.org/10.1007/s10071-022-01622-8
Markolf M, Zinowsky M, Keller J, Borys J, Cillow A, Schülke O (2022) Toward Passive Acoustic Monitoring of Lemurs: Using an Affordable Open-Source System to Monitor Phaner Vocal Activity and Density. International Journal of Primatology 43 409–433. https://doi.org/10.1007/s10764-022-00285-z
Sadoughi B, Schneider D, Daniel R, Schülke O, Ostner J (2022) Aging gut microbiota of wild macaques are equally diverse, less stable, but progressively personalized. Microbiome 10 95, https://doi.org/10.1186/s40168-022-01283-2
Sadoughi B, Anzà S, Defolie C, Manin V, Müller-Klein N, Murillo T, Ulrich M, Wu D (2022) Parasites in a social world: lessons from primates. in Animal Behavior and Parasitism. Edited by Ezenwa V, Altizer S and Hall R, Oxford University Press. page 35-52. DOI: 10.1093/oso/9780192895561.003.0003
Schülke O, Anzà S, Crockford C, De Moor D, Deschner T, Fichtel C, Gogarten JF, Kappeler PM, Manin V, Müller-Klein N, Prox L, Sadoughi B, Touitou S, Wittig R, Ostner J (2022) Quantifying within-group variation in sociality – covariation among metrics and patterns across primate groups and species. Behavioral Ecology and Sociobiology

2021

Anzà S, Demuru E, Palagi E (2021) Sex and grooming as exchange commodities in female bonobos’ daily biological market. Scientific Reports | (2021) 11:19344
Anzà S, Majolo B & Amici F (2021) The Function of Mounts in Free-Ranging Barbary Macaques (Macaca sylvanus). International Journal of Primatology 42, https://doi.org/10.1007/s10764-021-00210-w
Amato K, Chaves O, Mallott E, Eppley T, Abreu F, Baden A, Barnett A, Bicca-Marques J, Boyle S, Chapman C, De la Fuent M, Fan P, Fashing P, Felton A, Fontes I, Fruth B, Fortes V, Grueter C, Hohmann G, Irwin M, Matthews J, Mekonnen A, Melin A, Ostner J, Nguyen N, Piel A, Pinacho-Guendulain B, Quintino Aredes E, Razanaparany P, Schiel N, Schülke O, Shanee S, Souto A, Souza-Alves J, Stewart F, Stewart K, Stone A, Sun B, Tecot S, Valenta K, Vogel E, Wich S, Zeng Y (2021) Fermented food consumption in wild primates and its ecological drivers. American Journal of Physical Anthropology 2021, 1-18
Behringer V, Müller-Klein N, Strube C, Schülke O, Heistermann M*, Ostner J* (2021) Responsiveness of fecal Immunoglobulin A to HPA-axis activation limits its use for mucosal immunity assessment. American Journal of Primatology e23329. *shared senior authorship
Chen H, Yao H, Yang W, Xiang Z, Ostner J, Cristόbal-Azkarate J (2021) Validation of a fecal T3 metabolite assay for measuring energetics in wild golden snub-nosed monkeys (Rhinopithecus roxellana). International Journal of Primatology
Kavanagh E,… Ostner J,… Schülke O, … & Slocombe K (2021) Dominance style is a key predictor of vocal use and evolution across nonhuman primates. Royal Society Open Science
Mielke A, Bruchmann C, Schülke O & Ostner J (2021) Grooming interventions in female rhesus macaques as social niche construction. Animal Behaviour 173, 105-114
Ostner J, Wilken J, Schülke O (2021) Social contagion of affiliation in female macaques. Royal Society Open Science 8, 201538
Sadoughi B, Girard-Buttoz C, Engelhardt A, Heistermann M & Ostner J (2021) Non-invasive assessment of metabolic responses to food restriction using urinary triiodothyronine and cortisol measurement in macaques. General and Comparative Endocrinology
Sadoughi B, Lacroix L, Berbesque C, Meunier H & Lehmann J (2021)Effects of social tolerance on stress: Hair cortisol concentrations in the tolerant Tonkean macaques (Macaca tonkeana) and the despotic long-tailed macaques (Macaca fascicularis). Stress 0, 1–9.
Touitou S, Heistermann M, Schülke O & Ostner J (2021) Triiodothyronine and cortisol levels in the face of energetic challenges from reproduction, thermoregulation and food intake in female macaques. Hormones and Behavior 131, 104968
Touitou S, Heistermann M, Schülke O & Ostner J (2021) The effect of reproductive state on activity budget, feeding behavior, and urinary C-peptide levels in wild female Assamese macaques. Behavioral Ecology and Sociobiology, 75 128 (2021)
Trede F*, Kil N*, Stranks J*, Connell A, Fischer J, Ostner J, Schülke O, Zinner D & Roos C (2021) A refined panel of 42 microsatellite loci to universally genotype catarrhine primates. Ecology and Evolution 11, 498-505; *joint first authorship

2020

De Moor D, Roos C, Ostner J, Schülke O (2020) Female Assamese macaques bias their affiliation to paternal and maternal kin. Behavioral Ecology 31, 493-507
De Moor D, Roos C, Ostner J, Schülke O (2020) Bonds of bros and brothers: Kinship and social bonding in postdispersal male macaques. Molecular Ecology 29, 3346
DeLecce T, Schackelford T, Fink B & Abed M (2020) No Evidence for a Trade-Off Between Competitive Traits and Ejaculate Quality in Humans Evolutionary Psychology 18
DeLecce T, Fink B, Schackelford T & Abed M (2020) No Evidence for a Relationship between Intelligence and Ejaculate Quality Evolutionary Psychology 18
Ebenau A, von Borell C, Penke L, Ostner J, Schülke O (2020) Integrative personality assessment in wild Assamese macaques (Macaca assamensis). Journal of Comparative Psychology 143, 27-41
Gogarten J, Calvignac-Spencer S, Nunn C, Ulrich M, Saiepour N, Vedel Nielsen H, Deschner T, Fichtel C, Kappeler P, Knauf S, Müller-Klein N, Ostner J, Robbins M, Sangmaneedet S, Schülke O Surbeck M, Wittig R, Sliwa A, Strube C, Leendertz F, Roos C & Noll A (2020) Metabarcoding of eukaryotic parasite communities describes diverse parasite assemblages spanning the primate phylogeny. Molecular Ecology Resources 20, 204-2015; https://doi.org/10.1111/1755-0998.13101
Haunhorst CB, Fürtbauer I, Schülke O, Ostner J (2020) Female macaques compete for ‘power’ and ‘commitment’ in their male partners. Evolution and Human Behavior 41, 117-125
Port M, Hildenbrandt H, Pen I, Schülke O, Ostner J & Weissing FJ (2020) The evolution of social philopatry in female primates. American Journal of Physical Anthropology 173, 397
Rincon A, Deschner T, Schülke O & Ostner J (2020) Oxytocin increases after affiliation in male Barbary macaques. Hormones and Behavior 119, 104661
Rincon A, Heistermann M, Schülke O & Ostner J (2020) Testosterone and cortisol are negatively associatiated with ritualized bonding behavior in male macaques. Psychoneuroendocrinology 120, 104774
Schülke O, Dumdey N & Ostner O (2020) Selective attention for affiliative and agonistic interactions of dominants and close affiliates in macaques. Scientific Reports 10, 5962

2019

Ebenau A, von Borell C, Penke L, Ostner J, Schülke O (2019) Personality homophily affects male social bonding in wild Assamese macaques (Macaca assamensis). Animal Behaviour 155, 21-35
Fink B, Butovskaya M & Shackelford T (2019) Assessment of physical strength from gait: data from the Maasai of Tanzania. Biology Letters 15, 20180803
Fink B, Butovskaya M & Shackelford T (2019) Reply to Durkee: Do the Maasai perceive weak walkers to be stronger and more attractive than strong walkers? A re-analysis of Fink et al. (2019). Biology Letters 15, 20190376
Kuběnová B, Ostner J, Schülke O, Majolo B, Šmilauer P, Waterman J, Tkaczynski P & Konečná M (2019) The male and female perspective in the link between male infant care and mating behaviour in Barbary macaques. Ethology 125, 914-924
Kuběnová B, Ostner J, Schülke O, Majolo B, Waterman J, Tkaczynski P, Šmilauer P & Konečná M (2019) The effect of dominance rank on the distribution of different types of male-infant-male interactions in Barbary macaques (Macaca sylvanus). International Journal of Primatology 40, 300-315
Müller-Klein N, Heistermann M, Strube C, Morbach Z, Lilie N, Franz M, Schülke O & Ostner J (2019)
Physiological and social consequences of gastrointestinal nematode infection in a nonhuman primate. Behavioral Ecology 30, 322-335
Müller-Klein N, Heistermann M, Strube C, Franz M, Schülke O & Ostner J (2019) Exposure and susceptibility drive reinfection with gastrointestinal parasites in a social primate. Functional Ecology 33, 1088-1098
Paschek N, Müller N, Heistermann M, Ostner J, Schülke O (2019) Subtypes of aggression and their relation to anxiety in Barbary macaques. Aggressive Behavior 45, 120-128
Polo P, Muñoz-Reyes J, Pita M, Shackelford T & Fink B (2019) Testosterone‐dependent facial and body traits predict men's sociosexual attitudes and behaviors. American Journal of Human Biology 31, e23235
Rincon AV, Ostner J, Heistermann, M, Deschner T (2019) Measuring urinary cortisol and testosterone levels in male Barbary macaques: A comparison of EIA and LC–MS. General and Comparative Endocrinology 281, 117-125
Schülke O, Ostner J, Berghänel A (2019) Prenatal maternal stress effects on the development of primate social behavior. Behavoural Ecology and Sociobiology 73, 128
Tiddi B, Pfoh R & Agostini I (2019) The impact of food provisioning on parasite infection in wild black capuchin monkeys: a network approach. Primates 60, 297-306
Wheeler B, Fahy M & Tiddy B (2019) Experimental evidence for heterospecific alarm signal recognition via associative learning in wild capuchin monkeys. Animal Cognition 22, 687-695

2018

Butovskaya M, Windhager S, Karelin D, Mezentseva A, Schaefer K & Fink B (2018) Associations of physical strength with facial shape in an African pastoralist society, the Maasai of Northern Tanzania. PLoS ONE 13, e0197738
Fink B, Liebner K, Müller A-K, Hirn T, McKelvey G & Lankhof J (2018) Hair colour and skin colour together influence perceptions of age, health and attractiveness in lightly pigmented young women. International Journal of Cosmetic Science 40, 303-312
Fink B & Manning J (2018) Direct versus indirect measurement of digit ratio: New data from Austria and a critical consideration of clarity of report in 2D:4D studies. Early Human Development 127, 28-32
Gutleb D, Roos C, Noll A, Ostner J & Schülke O (2018) COMT Val158Met moderates the link between rank and aggression in a non-human primate. Genes, Brain and Behavior 17, e12443
Gutleb D, Ostner J, Schülke O, Wajjwalku W, Sukmak M, Roos C & Noll A (2018) Non-invasive genotyping with a massively parallel sequencing panel for the detection of SNPs in HPA-axis genes. Scientific Reports 8, 15944
Kordsmeyer T, Hunt J, Puts D, Ostner J & Penke L (2018) The relative importance of intra- and intersexual selection on human male sexually dimorphic traits. Evolution and Human Behavior 39, 424-436
Manning J & Fink B (2018) Sexual dimorphism in the ontogeny of second (2D) and fourth (4D) digit lengths, and digit ratio (2D:4D)? American Journal of Human Biology 30, e23138
Nurmi N, Hohmann G, Goldstone L, Deschner T and Schülke O (2018) The “tolerant chimpanzee”—towards the costs and benefits of sociality in female bonobos. Behavioral Ecology 29, 1325–1339
Ostner J (2018) Primate social cognition – evidence from primate field studies. In: Di Paolo L & Di Vincenzo F (Eds.). Evolution of Primate Social Cognition. Springer, pp 97-110
Ostner J & Schülke O (2018) Linking sociality to fitness in primates – a call for mechanisms. Advances in the Study of Behavior 50, 127-175
Port M, Schülke O & Ostner J (2018) Reproductive tolerance in male primates - old paradigms and new evidence. Evolutionary Anthropology 27, 107-120
Puga-Gonzalez I, Ostner J, Schülke O, Sosa S, Thierry B & Sueur C (2018) Mechanisms of reciprocity and diversity in social networks: a modelling and comparative approach. Behavioral Ecology 29, 745–76
Schülke O & Ostner J (2018) Male bonding. In: Trevathan W (Ed.). International Encyclopedia of Biological Anthropology. John Wiley and sons
Tiddi B, Heistermann M, Fahy M, Wheeler (2018) Male resource defense mating system in primates? An experimental test in wild capuchin monkeys. PLoS ONE 13, e01797020

2017

Arslan RC, von Borell CJ, Ostner J & Penke L (2017) Negative results are needed to show the specificity of a cultural explanation for g - Commentary on Burkart et al. Behavioral and Brain Sciences 40, doi:10.1017/S0140525X16001588
Berghänel A, Heistermann M, Schülke O and Ostner J (2017) Prenatal stress accelerates offspring growth to compensate for reduced maternal investment across mammals, Proceedings of the National Academy of Science, 114 (50) E10658-E10666
Donati G, Santini L, Eppley T, Arrigo-Nelson S, Balestri M, Boinski S, Bollen A, Bridgeman L, Campera M, Carrai V, Chalise M, Derby A, Hohmann G, Kinnaird M, Koenig A, Kowalewski M, Lahann P, McLennan M, Nekaris A, Nijman V, Norscia I, Ostner J, Polowinsky S, Schülke O, Schwitzer C, Stevenson P, Talebi M, Tan C, Tomaschewskij I, Vogel E, Wright P & Ganzhorn J (2017) Low levels of fruit nitrogen as drivers for the evolution of Madagascar‘s primate communities. Scientific Reports 7, 14406
Fink B, Wübker M, Ostner J, Butovskaya ML, Mezentseva A, Munoz-Reyes JA, Sela Y & Shakelford TK (2017) Cross-cultural investigation of male gait perception in relation to physical strength and speed. Frontiers in Psychology 8, 1427
Haunhorst C, Heesen M, Ostner J & Schülke O (2017) Social bonds with males lower costs of competition for wild female Assamese macaques, Animal Behaviour 165, 51-60
Kalbitz J, Schülke O, Ostner J (2017) Triadic male-infant-male interaction serves in bond maintenance in male Assamese macaques. PLoS ONE 12, e0183981. DOI:10.1371/0183981
Kean D, Tiddi B, Fahy M, Heistermann M, Schino G, Wheeler BC (2017) Feeling anxious? The mechanisms of vocal deception in tufted capuchin monkeys. Animal Behaviour 130, 37-46
Kubenova B, Konecna M, Majolo B, Smilauer P, Ostner J & Schülke O (2017) Triadic awareness predicts partner choice in male-infant-male interactions in Barbary macaques, Animal Cognition 20, 221-232; DOI: 10.1007/s10071-016-1041-y
Müller N, Heistermann M, Strube C, Schülke O & Ostner J (2017) Age, but not anthelmintic treatment, is associated with urinary neopterin levels in semi-free ranging Barbary macaques Scientific Reports 7, 41973
Port M, Schülke O & Ostner J (2017) From individual to group territoriality: Competitive environments promote the evolution of sociality, American Naturalist 189, E46-E57; DOI: 10.1086/690218
Schülke O & Ostner J (2017) Male bonding. The international Encyclopedia of Primatology. John Wiley and sons DOI: 10.1002/9781119179313.wbprim0239
Rathke E, Berghänel A, Bissonette A, Ostner J & Schülke O (2017) Age-dependent change of coalitionary strategy in male Barbary macaques, Primate Biology 4, 1-7
Rincon AV, Maréchal L, Semple S, Majolo B, MacLarnon A (2017) Correlates of androgens in wild male Barbary macaques: Testing the challenge hypothesis. American Journal of Primatology, 10.1002/ajp.22689
Sukmak M, Wajjwalku W, Ostner J & Schülke O (2016) A first report of non-invasive adenovirus detection in wild Assamese macaques in Thailand, Primates 58, 307-313
Tiddi B, Polizzi di Sorrentino E, Fisher J & Schino G (2017) Aquisition and functional consequences of social knowledge in macaques. Royal Society Open Science 4, 160639. http://dx.doi.org/10.1098/rsos.160639

2016

Berghänel A, Heistermann M, Schülke O and Ostner J (2016) Prenatal stress effects in a wild, long-lived primate: predictive adaptive responses in an unpredictable environment, Proceedings of the Royal Society London B 283, 20161304
Chalise M, Cooper M, Ostner J & Schülke O (2016) Assam Macaque (Macaca assamensis). In: Rowe N, Myers M (eds.) All the World's Primates. Pogonias Press, Charlestown, 401-402
Haunhorst C, Schülke O and Ostner J (2016) Opposite-sex social bonding in wild Assamese macaques, American Journal of Primatology 78, 872-882
Borries C, Sandel A, Koenig A, Fernandez-Duque, Kamilar J, Amoroso C, Barton R, Bray J, Di Fiore A, Gilby I, Gordon A, Mundry R, Port M, Powell L, Pusey A, Spriggs A & Nunn C (2016) Transparency, usability, and reproducibility: guiding principles for improving comparative databases using primates as examples, Evolutionary Anthropology 25, 232-238
Goldstone L, Sommer V, Nurmi N, Stephens C & Fruth B (2016) Food begging and sharing in wild bonobos (Pan paniscus): assessing relationship quality? Primates 57, 367-376
Haunhorst C, Schülke O and Ostner J (2016) Opposite-sex social bonding in wild Assamese macaques, American Journal of Primatology 78, 872-882
Kalbitz J, Ostner J & Schülke O (2016) Strong, equitable and long-term social bonds in the dispersing sex in Assamese macaques, Animal Behaviour 113, 13-22
Melis A, Grocke P, Kalbitz J & Tomasello M (2016) One for you, one for me: humans' unique turn-taking skills, Psychological Science 27 (7), 987-996
Minge C, Berghänel A, Schülke O & Ostner J (2016) Patterns and consequences of male-infant relationships in wild Assamese macaques (Macaca assamensis), International Journal of Primatology 37, 350-370
Richter C, Heesen M, Nenadic O, Ostner J & Schülke O (2016) Males matter: increased home range size is associated with the number of resident males after controlling for ecological factors in wild Assamese macaques, American Journal of Physical Anthropology 159, 52-62
Seltmann A, Franz Mathias, Majolo B, Qarro M, Ostner J & Schülke O (2016) Recruitment and monitoring behaviors by leaders predict following in wild Barbary macaques (Macaca sylvanus), Primate Biology 3, 23-31
Setchell J, Fernandez-Duque E, Higham J & Schülke O (2016) Editorial: Changes and Clarifications to the Policies of the International Journal of Primatology to Promote Transparency and Open Communication, International Journal of Primatology 37, 617?627, DOI:10.1007/s10764-016-9925-x

2015

Adams M, Majolo B, Ostner J, Schülke O, De Marco A, Thierry B, Engelhardt A, Widdig A, Gerald M & Weiss A (2015) Personality structure and social style in macaques, Journal of Personality and Social Psychology 109 (2), 338-353
Berghänel A, Schülke O & Ostner J (2015) Locomotor play drives motor skill acquisition at the expense of growth: a life history trade-off, Science advances 1, e1500451. DOI: 10.1126/sciadv.1500451
Heesen M, Macdonald S, Ostner J & Schülke O (2015) Ecological and social determinants of group cohesiveness and within-group spatial position in wild Assamese macaques, Ethology 121, 270-283
Richter C, Gras P, Hodges K, Ostner J & Schülke O (2015) Feeding behavior and aggression in wild Sibarut macaques (Macaca sibaru) living under low predation risk, American Journal of Primatology 77, 741-752
Schülke O (2015) Cooperation among non-kin and the role of resource control.Current Anthropology 56, 723-724

2014

Bissonnette A, Franz M, Schülke O & Ostner J (2014) Socioecology, but not cognition, predicts male coalitions across primates, Behavioral Ecology 25, 794-801
Fürtbauer I, Heistermann M, Schülke O & Ostner J (2014) Low female stress hormone levels are predicted by same- or opposite-sex sociality depending on season in wild Assamese macaques, Psychoneuroendocrinology 48, 19-28
Heesen M, Rogahn S, Macdonald S, Ostner J & Schülke O (2014) Predictors of food-related aggression in wild Assamese macaques and the role of conflict avoidance, Behavioral Ecology and Sociobiology 68, 1829-1841
Müller M, Ostner J, Schülke O & Walter L (2014) Towards the non-invasive assessment of MHC genotype in wild primates: analysis of wild Assamese macaque MHC-DRB from fecal samples, American Journal of Primatology 76, 230-238
Nunn C, Scully E, Kutsukake N, Ostner J, Schülke O & Thrall P (2014) Mating competition, promiscuity, and life history traits as predictors of secually transmitted disease risk in primates, International Journal of Primatology 35, 764-786
Ostner J & Schülke O (2014) The evolution of social bonds in primate males, Behaviour 151, 871-906
Port M & Cant M (2014) Reproductive competition among male primates: modeling the costs and effectiveness of conflict, International Journal of Primatology 35, 746-763
Schülke O, Heistermann M & Ostner J Lack of evidence for energetic costs of mate-guarding in wild male Assamese macaques, International Journal of Primatology 35, 677-700
Sukmak M, Malaivijitnond S, Schülke O, Ostner J, Hamada Y & Wajjwalku W (2014) Preliminary study of the gentic diversity of eastern Assames macaques (Macaca assamensis assamensis) in Thailand based on mitochondrial DNA and microsatellite markers, Primates 55, 189-197
Sukmak M, Wajjwalku W, Ostner J & Schülke O (2014) Dominance rank, female reproductive synchrony, and male reproductive skew in wild Assamese macaques, Behavioral Ecology and Sociobiology 68, 1097-1108
Thunström M, Kuchenbuch P & Young C (2014) Concealing of facial expression by a wild Barbary macaque (Macaca sylvanus), Primates 55, 369-375
Young C, Majolo B, Heistermann M, Schülke O & Ostner J (2014) Responses to social and environmental stress are attenuated by strong male bonds in wild macaques, Proceedings of the National Academy of Sciences-3111, 18195-18200
Young C, Majolo B, Schülke O & Ostner J (2014) Male social bonds and rank predict supporter selection in cooperative aggression in wild Barbary macaques, Animal Behaviour 95, 23-32
Young C, Schülke O & Ostner J (2014) How males form coalitions against rivals and the Pandit/van Schaik coalition model, Behaviour 151, 907-934

2013

De la O Rodriguez C, Mevis L, Richter C, Malaivijitnond S, Ostner J & Schülke O (2013) Reconciliation in male stumptailed macaques (Macaca arctoides): intolerant males care for their social relationships. Ethology 119, 39-51
Franz M, Schülke O & Ostner J (2013) Rapid evolution of cooperation in group-living animals. BMC Evolutionary Biology 13:325, doi:10.1186/1471-2148-13-235
Fürtbauer I, Heistermann M, Schülke O & Ostner J (2013) Female fecal androgens prior to the mating season reflect readiness to conceive in reproductively quiescent wild macaques. American Journal of Physical Anthropology 151, 311-315
Grueter CC, Bissonnette A, Isler K, van Schaik CP (2013) Grooming and group cohesion in primates: implications for the evolution of language, Evolution and Human Behavior 34, 61-68
Heesen M, Rogahn S, Ostner J, Schülke O (2013) Food abundance affects energy intake and reproduction in frugivorous female Assamese macaques. Behavioral Ecology and Sociobiology 67, 1052-1066, doi:10.1007/s00265-013-1530-9
Macdonald S, Schülke O* & Ostner J* (2013) The absence of grooming for rank-related benefits in female Assamese macaques (Macaca assamensis). International Journal of Primatology 34, 571-584 *equal contribution as last authors
Majolo, B., McFarland, R., Young, C., Qarro, M. (2013) The Effect of climatic factors on the activity budgets of the Barbary macaque (Macaca sylvanus). International Journal of Primatology 34, 500-514
Ostner J, Vigilant L, Bhagavatula J, Franz M, Schülke O (2013) Stable heterosexual associations in a promiscuous primate. Animal Behaviour 86, 623-631
Port, M, Cant, M.A. (2013) Longevity suppresses conflict in animal societies. Biology Letters 9, 20130680
Port M & Johnstone R (2013) Facing the crowd: intruder pressure, within-group competition, and the resolution of conflicts over group-membership, Ecology and Evolution, doi: 10.1002/ece3.533
Richter C, Taufiq A, Hodges K, Ostner J & Schülke O (2013) Ecology of an endemic primate species (Macaca siberu) on Siberut Island, Indonesia. SpringerPlus 2, 137
Schülke O, Wenzel S & Ostner J (2013) Paternal relatedness predicts the strength of social bonds among female rhesus macaques. PLoS ONE 8(3): e59789. doi:10.1371/journal.pone.0059789
Seltmann A, Majolo B, Schülke O* & Ostner J* (2013) The organization of collective group movements in wild Barbary macaques (Macaca sylvanus): social structure drives processes of group coordination in macaques. PLoS One 8(6): e67285 *equal contribution as last authors
Young C, Hähndel S, Majolo B, Schülke O* & Ostner J* (2013) Male coalitions, dominance rank and female preferences independently affect male mating success in wild Barbary macaques. Behavioral Ecology and Sociobiology 67, 1665-1677, *equal contribution as last authors
Young C, Majolo B, Heistermann M, Schülke O & Ostner J (2013) Male mating behaviour in relation to female sexual swellings, socio-sexual behaviour and hormonal changes in wild Barbary macaques. Horm Behav 63, 32-39

2012

Cooper N, Griffin R, Franz M, Omotayo M, Nunn CL, Fryxell J (2012) Phylogenetic host specificity and understanding parasite sharing in primates. Ecology letters 15, 1370-1377
Fürtbauer I, Heistermann M, Schülke O & Ostner J (2012) Patterns of fecal androgen excretion and fetal sex effects during gestation in wild female Assamese macaques (Macaca assamensis) . American Journal of Physical Anthropology 147, 334-339
Schülke O & Ostner J (2012) Ecological and social influences on sociality. In: Mitani, J, Call J, Kappeler P, Palombit R & Silk J (eds.) The Evolution of Primate Societies, Chicago, University of Chicago Press
Young C, Schülke O, Ostner J & Majolo B (2012) Consumption of unusual prey items in the Barbary macaque (Macaca sylvanus). African Primates 7, 224-229

2011

Berghänel A, Ostner J & Schülke O (2011) Coalitions destabilize dyadic dominance relationships in male Barbary macaques (Macaca sylvanus). Behaviour 148, 1256-1274
Berghänel A, Ostner J, Schröder U & Schülke O (2011) Social bonds predict future cooperation in male Barbary macaques (Macaca sylvanus). Animal Behaviour 81, 1109-1116
Bissonnette A, Bischofberger N & van Schaik CP (2011) Mating skew in Barbary macaque males: the role of female mating synchrony, female behavior, and male-male coalitions. Behavioral Ecology and Sociobiology 65, 167-182
Franz M, van der Post D, Schülke O & Ostner J (2011) The evolution of cooperative turn-taking in animal conflict. BMC Evolutionary Biology 11, 323
Fürtbauer I, Mundry R, Heistermann M, Schülke O & Ostner J (2011) You mate, I mate: macaque females synchronize sex, not cycles. PLoS One 6, e26144. doi:10.1371
Fürtbauer I, Schülke O, Heistermann M & Ostner J (2011) Concealed fertility and extended female sexuality in a nonhuman primate (Macaca assamensis). PLoS ONE 6, e23105
Ostner J, Heistermann M & Schülke O (2011) Male competition and its hormonal correlates in wild Assamese macaques (Macaca assamensis). Hormones & Behavior 59, 105-113
Schülke O, Pesek D, Whitman BJ & Ostner J (2011) Ecology of Assamese macaques (Macaca assamensis) at Phu Khieo Wildlife Sanctuary, Thailand. Journal of Wildlife in Thailand 18, 1-15

2010

Berghänel A, Schülke O & Ostner J (2010) Coalition formation among Barbary macaque males ? the influence of scramble competition. Animal Behaviour 80, 675-682
Cheney DL, Moscovice LR, Heesen M, Mundry R & Seyfarth RM (2010) Contingent cooperation between wild female baboons. Proceedings of the National Academy of Sciences 107, 6562-6566
Franz M & Matthews LJ (2010) Social enhancement can create adaptive, arbitrary and maladaptive cultural traditions. Proceedings of the Royal Society B 277, 3363-3372
Franz M & Nunn CL (2010) Investigating the impact of observation errors on the statistical performance of network-based diffusion-analysis. Learning & Behavior 38, 235-242
Franz M, Kramer-Schadt S, Kilian W, Wissel C & Groeneveld J (2010) Understanding the effects of rainfall on elephant-vegetation interactions around waterholes. Ecological Modelling 221: 2909?2917
Fürtbauer I, Schülke O, Heistermann M & Ostner J (2010) Reproductive and life history parameters in wild female Macaca assamensis. International Journal of Primatology 31, 501-517
Schülke O, Bhagavatula J, Vigilant L & Ostner J (2010) Social bonds enhance reproductive success in male macaques. Current Biology 20, 2207-2210

2009

Koch G, Ostner J, Peisker M & Schülke O (2009) Eine Analyse ultimaten Verhaltens als Erklärungsansatz des moral hazards. Zeitschrift für die gesamte Versicherungswissenschaft 98: 315-338
Leising D, Rogers K & Ostner J (2009) The un-disordered personality: normative assumptions underlying personality disorder diagnoses. Review of General Psychology 13, 230-241
Ostner J (2009) Primatologie. In: Bohlken E & Thies C (eds.) Handbuch Anthropologie ? Der Mensch zwischen Natur, Kultur und Technik. J.B. Metzler Verlag, 233-241
Richter C, Mevis L, Malaivijitnond S, Schülke O & Ostner J (2009) Social Relationships in Free-Ranging Male Macaca arctoides. International Journal of Primatology 30: 625-642