Engelhardt, Antje

[["dc.bibliographiccitation.firstpage","696"],["dc.bibliographiccitation.issue","5"],["dc.bibliographiccitation.journal","Hormones and Behavior"],["dc.bibliographiccitation.lastpage","705"],["dc.bibliographiccitation.volume","61"],["dc.contributor.author","Dubuc, Constance"],["dc.contributor.author","Muniz, Laura"],["dc.contributor.author","Heistermann, Michael"],["dc.contributor.author","Widdig, Anja"],["dc.contributor.author","Engelhardt, Antje"],["dc.date.accessioned","2018-11-07T09:10:42Z"],["dc.date.available","2018-11-07T09:10:42Z"],["dc.date.issued","2012"],["dc.description.abstract","In contrast to most mammalian species, female sexual activity is not limited to the fertile phase of the ovarian cycle in anthropoid primates, which has long been proposed to conceal the timing of ovulation to males. It is now generally believed that females are still most attractive during the fertile phase, leading to high-ranking males successfully mate-guarding them specifically during this period. While studies conducted in species exhibiting exaggerated sexual swellings (probabilistic signal of the fertile phase) have generally supported this hypothesis, mixed support comes from others. Here, we investigated whether high-ranking males timed mate-guarding effort towards female fertile phases in rhesus macaques (Macaca mulatto). In this species, adult females do not exhibit sexual swellings, but undergo facial skin colour variation, an alternative oestrogen-dependent graded-signal of female reproductive status. We collected behavioural, hormonal and genetic paternity data during two mating seasons for one group of the free-ranging population of Cayo Santiago. Our results show that mate-guarding by top-ranking males did not completely cover the entire female fertile phase and that this tactic accounted for only 30-40% of all fertilisations observed. Males tended to prolong mate-guarding into the luteal phase (null probability of fertilisation), which mirrors the pattern of male attraction to female facial colour reported in an earlier study. These findings suggest that males may have limited knowledge regarding the exact timing of females' fertile phase in rhesus macaques, which presumably allows females to gain more control over reproduction relative to other anthropoid primate species. (C) 2012 Elsevier Inc. All rights reserved."],["dc.identifier.doi","10.1016/j.yhbeh.2012.03.003"],["dc.identifier.isi","000304339800005"],["dc.identifier.pmid","22449655"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/26552"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Academic Press Inc Elsevier Science"],["dc.relation.issn","1095-6867"],["dc.relation.issn","0018-506X"],["dc.title","Do males time their mate-guarding effort with the fertile phase in order to secure fertilisation in Cayo Santiago rhesus macaques?"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","Folia Primatologica"],["dc.bibliographiccitation.volume","82"],["dc.contributor.author","Dubuc, Constance"],["dc.contributor.author","Muniz, Laura"],["dc.contributor.author","Heistermann, Michael"],["dc.contributor.author","Widdig, Anja"],["dc.contributor.author","Engelhardt, Antje"],["dc.date.accessioned","2018-11-07T09:00:14Z"],["dc.date.available","2018-11-07T09:00:14Z"],["dc.date.issued","2011"],["dc.format.extent","336"],["dc.identifier.isi","000304643100029"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/24104"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Karger"],["dc.publisher.place","Basel"],["dc.relation.issn","0015-5713"],["dc.title","Determinants of Paternity in Rhesus Macaques: Influence of the Timing of Mate Guarding with the Fertile Phase"],["dc.type","conference_abstract"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","338"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","Journal of Personality and Social Psychology"],["dc.bibliographiccitation.lastpage","353"],["dc.bibliographiccitation.volume","109"],["dc.contributor.author","Adams, Mark James"],["dc.contributor.author","Majolo, Bonaventura"],["dc.contributor.author","Ostner, Julia"],["dc.contributor.author","Schülke, Oliver"],["dc.contributor.author","de Marco, Arianna"],["dc.contributor.author","Thierry, Bernard"],["dc.contributor.author","Engelhardt, Antje"],["dc.contributor.author","Widdig, Anja"],["dc.contributor.author","Gerald, Melissa S."],["dc.contributor.author","Weiss, Alexander"],["dc.date.accessioned","2017-09-07T11:54:46Z"],["dc.date.available","2017-09-07T11:54:46Z"],["dc.date.issued","2015"],["dc.description.abstract","Why regularities in personality can be described with particular dimensions is a basic question in differential psychology. Nonhuman primates can also be characterized in terms of personality structure. Comparative approaches can help reveal phylogenetic constraints and social and ecological patterns associated with the presence or absence of specific personality dimensions. We sought to determine how different personality structures are related to interspecific variation in social style. Specifically, we examined this question in 6 different species of macaques, because macaque social style is well characterized and can be categorized on a spectrum of despotic (Grade 1) versus tolerant (Grade 4) social styles. We derived personality structures from adjectival ratings of Japanese (Macaca fuscata; Grade 1), Assamese (M. assamensis; Grade 2), Barbary (M. sylvanus; Grade 3), Tonkean (M. tonkeana; Grade 4), and crested (M. nigra; Grade 4) macaques and compared these species with rhesus macaques (M. mulatta; Grade 1) whose personality was previously characterized. Using a nonparametric method, fuzzy set analysis, to identify commonalities in personality dimensions across species, we found that all but 1 species exhibited consistently defined Friendliness and Openness dimensions, but that similarities in personality dimensions capturing aggression and social competence reflect similarities in social styles. These findings suggest that social and phylogenetic relationships contribute to the origin, maintenance, and diversification of personality. (PsycINFO Database Record (c) 2016 APA, all rights reserved)"],["dc.identifier.doi","10.1037/pspp0000041"],["dc.identifier.gro","3151490"],["dc.identifier.pmid","26030054"],["dc.identifier.pmid","26030054"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/8297"],["dc.language.iso","en"],["dc.notes.status","final"],["dc.notes.submitter","chake"],["dc.relation.issn","1939-1315"],["dc.title","Personality structure and social style in macaques"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dc.type.peerReviewed","no"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","911"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","Animal Behaviour"],["dc.bibliographiccitation.lastpage","921"],["dc.bibliographiccitation.volume","82"],["dc.contributor.author","Neumann, Christof"],["dc.contributor.author","Duboscq, Julie"],["dc.contributor.author","Dubuc, Constance"],["dc.contributor.author","Ginting, Andri"],["dc.contributor.author","Irwan, Ade Maulana"],["dc.contributor.author","Agil, Muhammad"],["dc.contributor.author","Widdig, Anja"],["dc.contributor.author","Engelhardt, Antje"],["dc.date.accessioned","2018-11-07T08:51:12Z"],["dc.date.available","2018-11-07T08:51:12Z"],["dc.date.issued","2011"],["dc.identifier.doi","10.1016/j.anbehav.2011.07.016"],["dc.identifier.isi","000295262800040"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/21876"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Academic Press Ltd- Elsevier Science Ltd"],["dc.relation.issn","0003-3472"],["dc.title","Assessing dominance hierarchies: validation and advantages of progressive evaluation with Elo-rating"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.subtype","letter_note"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","20212626"],["dc.bibliographiccitation.issue","1976"],["dc.bibliographiccitation.journal","Proceedings of the Royal Society B: Biological Sciences"],["dc.bibliographiccitation.volume","289"],["dc.contributor.author","Neumann, Christof"],["dc.contributor.author","Kulik, Lars"],["dc.contributor.author","Agil, Muhammad"],["dc.contributor.author","Engelhardt, Antje"],["dc.contributor.author","Widdig, Anja"],["dc.date.accessioned","2022-07-01T07:35:05Z"],["dc.date.available","2022-07-01T07:35:05Z"],["dc.date.issued","2022"],["dc.description.abstract","Coalition formation is one of the most striking forms of cooperation found in animals. Yet, there is substantial variation between taxa regarding the mechanisms by which coalitions can result in fitness consequences. Here, we investigate the influence of coalitions on dominance rank trajectories and subsequently on reproductive success in wild male crested macaques ( Macaca nigra ) at Tangkoko Nature Reserve (Sulawesi, Indonesia). We observed 128 coalition events involving 28 males and tested how a variety of coalition properties and factors related to the social environment influenced future male rank. We further used genetic paternity analysis of 19 infants conceived during the study to assess male reproductive success. Our results show that males participating in coalitions achieved higher-than-expected future ranks, while coalition targets had lower-than-expected future ranks. Additionally, all-up coalitions had stronger effects on rank than all-down and bridging coalitions, and these were modulated by the relative strength of coalition partners versus targets. Finally, higher ranking males were more likely to sire infants than lower ranking males. These results provide important insights regarding the mechanisms underlying coalition formation and support the idea that one major path by which coalitions can affect fitness is through influencing male dominance trajectories."],["dc.description.sponsorship","Saxon State Ministry for Higher Education"],["dc.description.sponsorship"," Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659"],["dc.identifier.doi","10.1098/rspb.2021.2626"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/112081"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-581"],["dc.relation.eissn","1471-2954"],["dc.relation.issn","0962-8452"],["dc.rights.uri","https://royalsociety.org/journals/ethics-policies/data-sharing-mining/"],["dc.title","Temporal dynamics and fitness consequences of coalition formation in male primates"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Scientific Reports"],["dc.bibliographiccitation.volume","11"],["dc.contributor.author","Higham, James P."],["dc.contributor.author","Heistermann, Michael"],["dc.contributor.author","Agil, Muhammad"],["dc.contributor.author","Perwitasari-Farajallah, Dyah"],["dc.contributor.author","Widdig, Anja"],["dc.contributor.author","Engelhardt, Antje"],["dc.date.accessioned","2022-10-06T13:34:18Z"],["dc.date.available","2022-10-06T13:34:18Z"],["dc.date.issued","2021"],["dc.description.abstract","Abstract\n \n High social status is the primary determinant of reproductive success among group-living male mammals. Primates living in multimale–multifemale groups show the greatest variation in the strength of this link, with marked variation in reproductive skew by male dominance among species, dependent on the degree of female fertile phase synchrony, and the number of competing males. Here, we present data on two groups of wild crested macaques (\n Macaca nigra\n ), living in the Tangkoko Reserve, Sulawesi, Indonesia. We investigated male monopolization of fertile females in 31 cycles of 19 females, and genetic paternity of 14 offspring conceived during the study period. We show that female fertile phase synchrony was low, that females had few mating partners in their fertile phase, and that dominant males monopolized a high proportion of consortships and matings, resulting in marked and steep mating and reproductive skew. We conclude that female cycle asynchrony provides the opportunity for strong direct male–male competition in crested macaques, resulting in monopolization of females by dominant males, consistent with their marked sexual dimorphism. Our study provides a test of the underlying factors that determine the relative occurrence and strength of different mechanisms of sexual selection, and the phenotypes that evolve as a result."],["dc.description.sponsorship"," Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659"],["dc.description.sponsorship","Projekt DEAL"],["dc.identifier.doi","10.1038/s41598-021-81163-1"],["dc.identifier.pii","81163"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/115878"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-602"],["dc.relation.eissn","2045-2322"],["dc.relation.orgunit","Deutsches Primatenzentrum"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0"],["dc.title","Female fertile phase synchrony, and male mating and reproductive skew, in the crested macaque"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","672"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","International Journal of Primatology"],["dc.bibliographiccitation.lastpage","691"],["dc.bibliographiccitation.volume","38"],["dc.contributor.author","Engelhardt, Antje"],["dc.contributor.author","Muniz, Laura"],["dc.contributor.author","Perwitasari-Farajallah, Dyah"],["dc.contributor.author","Widdig, Anja"],["dc.date.accessioned","2020-12-10T14:11:36Z"],["dc.date.available","2020-12-10T14:11:36Z"],["dc.date.issued","2017"],["dc.identifier.doi","10.1007/s10764-017-9973-x"],["dc.identifier.eissn","1573-8604"],["dc.identifier.issn","0164-0291"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/71127"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-354"],["dc.title","Highly Polymorphic Microsatellite Markers for the Assessment of Male Reproductive Skew and Genetic Variation in Critically Endangered Crested Macaques (Macaca nigra)"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1164"],["dc.bibliographiccitation.issue","5"],["dc.bibliographiccitation.journal","Behavioral Ecology"],["dc.bibliographiccitation.lastpage","1172"],["dc.bibliographiccitation.volume","25"],["dc.contributor.author","Kerhoas, Daphne"],["dc.contributor.author","Perwitasari-Farajallah, Dyah"],["dc.contributor.author","Agil, Muhammad"],["dc.contributor.author","Widdig, Anja"],["dc.contributor.author","Engelhardt, Antje"],["dc.date.accessioned","2018-11-07T09:35:49Z"],["dc.date.available","2018-11-07T09:35:49Z"],["dc.date.issued","2014"],["dc.description.abstract","Premature loss of offspring decreases direct fitness of parents. In gregarious mammals, both ecological and social variables impact offspring survival and may interact with each other in this regard. Although a number of studies have investigated factors influencing offspring loss in mammals, we still know very little on how different factors interact with one another. We therefore investigated fetal and infant mortality in 3 large groups of wild crested macaques (Macaca nigra) over a period of up to 5 years by including potential social causes such as maternal dominance rank, male immigration, between group encounters, and ecological conditions such as rainfall in a multivariate survival analysis using Cox proportional hazards model. Infant but not fetal survival was most impaired after a recent takeover of the alpha-male position by an immigrant male. Furthermore, infant survival probability increased when there was an increase in number of group adult females and rainfall. Fetal survival probability also increased with an increase of these 2 factors, but more in high-ranking than low-ranking females. Fetal survival, unlike that of infants, was also improved by an increase of intergroup encounter rates. Our study thus stresses the importance of survival analyses using a multivariate approach and encompassing more than a single offspring stage to investigate the determinants of female direct fitness. We further provide evidence for fitness costs and benefits of group living, possibly deriving from high pressures of both within-and between-group competition, in a wild primate population."],["dc.identifier.doi","10.1093/beheco/aru099"],["dc.identifier.isi","000342360200023"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/32474"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Oxford Univ Press Inc"],["dc.relation.issn","1465-7279"],["dc.relation.issn","1045-2249"],["dc.title","Social and ecological factors influencing offspring survival in wild macaques"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]