Social bonds enhance reproductive success in male macaques

O Schülke, J Bhagavatula, L Vigilant, J Ostner - Current Biology, 2010 - cell.com
For animals living in mixed-sex social groups, females who form strong social bonds with
other females live longer and have higher offspring survival [1–3]. These bonds are highly …

Linking sociality to fitness in primates: a call for mechanisms

J Ostner, O Schülke - Advances in the Study of Behavior, 2018 - Elsevier
Within-group variation in sociality has been linked to correlates of fitness across vertebrates.
Individuals that form strong social bonds with a few partners, or are well integrated into a …

Locomotor play drives motor skill acquisition at the expense of growth: A life history trade-off

A Berghänel, O Schülke, J Ostner - Science advances, 2015 - science.org
The developmental costs and benefits of early locomotor play are a puzzling topic in biology,
psychology, and health sciences. Evolutionary theory predicts that energy-intensive …

The long-term gut bacterial signature of a wild primate is associated with a timing effect of pre-and postnatal maternal glucocorticoid levels

S Anzà, D Schneider, R Daniel, M Heistermann… - Microbiome, 2023 - Springer
Background During development, elevated levels of maternal glucocorticoids (GCs) can
have detrimental effects on offspring morphology, cognition, and behavior as well as …

The evolution of social bonds in primate males

J Ostner, O Schülke - Behaviour, 2014 - brill.com
Social bonds, here defined as strong, equitable and enduring social relationships, increase
fitness in both male and female primates irrespective of their dispersal regime. Despite the …

Prenatal stress effects in a wild, long-lived primate: predictive adaptive responses in an unpredictable environment

A Berghänel, M Heistermann… - Proceedings of the …, 2016 - royalsocietypublishing.org
Prenatal maternal stress affects offspring phenotype in numerous species including humans,
but it is debated whether these effects are evolutionarily adaptive. Relating stress to adverse …

Personality structure and social style in macaques.

MJ Adams, B Majolo, J Ostner, O Schülke… - Journal of Personality …, 2015 - psycnet.apa.org
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 …

Food abundance affects energy intake and reproduction in frugivorous female Assamese macaques

M Heesen, S Rogahn, J Ostner, O Schülke - Behavioral Ecology and …, 2013 - Springer
In most mammals, female fertility and reproduction are strongly influenced by nutritional
status and, therefore, by foraging conditions. Here, we investigate the relationship between …

Stable heterosexual associations in a promiscuous primate

J Ostner, L Vigilant, J Bhagavatula, M Franz, O Schülke - Animal Behaviour, 2013 - Elsevier
Close associations between adult males and females are rare among group-living,
nonmonogamous mammals but may mark the transition from life in promiscuous bisexual …

Triiodothyronine and cortisol levels in the face of energetic challenges from reproduction, thermoregulation and food intake in female macaques

S Touitou, M Heistermann, O Schülke, J Ostner - Hormones and behavior, 2021 - Elsevier
Energy availability drives an individual's fitness and can be affected by diverse energetic
challenges. The assessment of hormones involved in metabolic activity and energy …